displays - my-boardclub.comfxas21000, a small, low-power, 3-axis angular rate gyroscope for...

Design Note: pages 14-18Vishay implements a gesture-control design withstandard IR emitters and a single proximity sensor

Application Spotlight: pages 19-23Featuring an advanced gyroscope, gesture-sensing ICs and touch-sensing technology

Component Focus: pages 2-13 International Rectifier’s SupIRBuck® 3A voltageregulator sets high efficiency benchmark

Board of the Month: page 23Sample the STM32F4 MCUs withSTMicroelectronics’ new Discovery kit!

Application Spotlight on

HMI, Touch andDisplays

‘TechFest’ Special Issue: page 24We showcase the latest products presented to ourdesign engineers at this year’s TechFest event

DC-DC converter modules offer high efficiencyCUI Inc., has announced the release of its new,efficient PYB family of DC-DC converter modules.

Housed in board-mounted packages withsix-sided shielding, the modules offer efficiencyas high as 91%. Input ranges of 9-36V and 18-75V make the units ideally suited to battery-driven applications, where charging anddischarging cycles cause a wide variation ininput voltage.

The 10W, 15W, and 20W modules arepackaged in an industry-standard 2” x 1”footprint while the 30W model has a footprintof 2” x 1.6”.

New power loss and efficiencyanalysis toolsFairchild Semiconductor has introducedimprovements to its Power Supply WebDesigner(PSW) online design and simulation tool. It nowincludes tools to analyse power loss andefficiency in discrete devices (MOSFETs, IGBTsand rectifiers).

The new software modules are intended foruse by designers of systems consumingbetween 100W and 3kW. They providedesigners with analysis of discrete power-traindevices in power-factor correction circuits andin phase-shifted full-bridge plus secondary-sidesynchronous rectification designs.

ams ramps-up 3D IC productioncapacityAnalogue IC manufacturer, ams, hasannounced the investment of more than €25mto create dedicated 3D IC production capacityat its wafer fabrication plant near Graz, Austria.The investment provides for the installation ofnew 3D IC equipment in clean-room spaceavailable at the plant.

The additional production capacity comes inresponse to a surge in forecast demand for ICsfabricated with 3D IC integration technologydeveloped exclusively by ams. The patentedtechnology enables the design and productionof radically improved IC packages that aresmaller and offer better device performancethan existing packages.

Future Electronics to distributeLattice Semiconductor productsLattice Semiconductor and Future Electronicshave announced a global distributionagreement. Under the terms of the agreementFuture Electronics is authorised to sell Lattice’scomplete portfolio of low-power, low-costFPGAs, CPLDs and programmable power-management solutions worldwide.

S TA R P R O D U C T

2 E M A I L I N F O @ M Y- F T M . C O M F O R S A M P L E S A N D D ATA S H E E T S

FREESCALE

my-ftm.com/131101FOR PARTS ANDLATEST PRICING

©Copyright 2013 Future Electronics Ltd. All trademarks contained herein arethe property of their respective owners. Applications for product samples,badge boards, demonstration boards, Future-Blox Boards and otheradvertised materials from Future Electronics are subject to qualification.

Newsin brief 3-axis gyroscope offers advanced

power-saving features

Freescale has introduced theFXAS21000, a small, low-power, 3-axisangular rate gyroscope for measuringyaw, pitch, and roll. The full-scale rangeis adjustable from 0.2°/s to 1600°/s.

The 14-bit FXAS21000 with I2C and SPIports includes features that provide forvaluable system-level power savings comparedto competing products. The fast turn-on timefrom Ready to Active mode means that thedevice’s configurable power-saving features canbe used without compromising the system’sresponse time. A power-saving Stand-by modeis also available.

Device operation can be optimised for theapplication by selecting the appropriate angularmeasurement and output data rates. Theoutput data rates can range from 1Hz to200Hz, corresponding to sample intervals from5ms to 1s.

The FXAS21000 gyroscope can beconfigured to generate an interrupt when aprogrammable event threshold occurs on anyone of the sensing axes. Smart sensingtechnology enables events with durationsshorter than the sample time to be capturedand processed, reducing the real-timeprocessing burden on the host.

The part includes an internal low-pass filterwith frequency cut-off of 200Hz, and aconfigurable high-pass filter cut-off. It alsofeatures embedded rate detection withprogrammable de-bounce.

Freescale supports rapid system developmentusing the FXAS21000 by providing libraries andadapters for both the FXLC95000CLaccelerometer sensor hub and the Kinetis seriesof ARM® microcontrollers.

Freescale FXAS21000: compatible with FXLC95000CL sensing platform and with Kinetis ARM® microcontrollers

Apply at: my-boardclub.com/ftm

3-axis gyroscope application developmentThis Xtrinsic Sensor module is a 9-axis dual in-linepackage featuring the FXAS21000 3-axis gyroscope,FXOS8700 3-axis accelerometer and a 3-axismagnetometer. Orderable Part Number:FXAS21000-9AXIS

FREEBOARDS

APPLICATIONS• Alarm systems• Asset-tracking equipment• Digital cameras• Game controllers• Medical equipment• Inclinometers• Instrumentation• Remote controls• Sports equipment• Surveying equipment• Tablets• Toys

FEATURES• Angular rate resolution down to 0.2°/s

and up to 1600°/s• Dynamically selectable full-scale range:

±200°/±400°/±800°/±1600°/s• Non-linearity typically ±1% of full-scale range• 192-byte FIFO buffer • Rate threshold interrupt• Integrated self-test function

SECURITYAUTOMOTIVEMEDICALLIGHTINGINDUSTRIALENERGY CONSUMER TELECOMMS


Module provides highly integrated power systemfor motor drives

Designers may also benefit from Fairchild'sMotion Control Design Tool, an online resourcethat calculates power losses and temperaturefluctuations, helping the user to specify thesystem’s heat-sink.

C O M P O N E N T F O C U S

3V I S I T T H E O N L I N E F T M M A G A Z I N E AT: W WW . M Y- F T M . C O M

The FSB50550AS from FairchildSemiconductor is a new addition to theMotion SPM® 5 series of power modulesfor small motor drive applications suchas fans and pumps. It is particularlywell suited to the design of compactand reliable inverters in whichassembly space is constrained.

Based on Fast-Recovery MOSFET (FRFET®)technology, it contains six fast-recoveryMOSFETs, three half-bridge gate driver high-voltage ICs with integrated temperaturesensing, and three bootstrap diodes in acompact package.

The FSB50550AS is notable for its low EMIcharacteristics, achieved by optimising theswitching speed and reducing parasiticinductance.

In addition, since the module employsMOSFETs as power switches, it is more ruggedand provides a larger safe operating area thancompeting modules that use IGBTs. It is rated

for operation at a maximum 500V and for 2Acontinuous current at each MOSFET.

The integrated under-voltage lockout andthermal sensing unit provide local protection tothe device while allowing the attachedcontroller IC to monitor the module's thermalperformance in real-time.

The module’s 29mm x 12mm package isfully isolated and has low junction-to-casethermal resistance of 8.6°C/W.

FAIRCHILD SEMICONDUCTOR

AVAGO TECHNOLOGIES

Avago Technologies has introduced itsOneLED range of Red-Green-Blue(RGB) LEDs providing a robust optionfor display designers requiring aninfinite colour palette.

Avago’s OneLED series of RGB PLCC-6 LEDshave separate heat paths for each die,enabling them to be driven at high currentswithout overheating. As a result, thesesurface-mount LEDs offer high brightness andexcellent reliability.

The ASMT-YTx7 and ASMT-YTB6 parts workunder a wide range of environmental conditions,making them suitable for outdoor as well asindoor full-colour signage equipment. They arewater-resistant to IPx6 level, in accordancewith the IEC 60529:2001 standard. Theiroperating temperature is -40°C to 100°C, orup to 85°C for the ASMT-YTB6.

The devices’ diffused silicone encapsulationoffers enhanced contrast ratio, since less lightis reflected from the lead-frame. It also providesfor a more consistent radiation pattern.

The PLCC-6 package of these OneLED partsmeasures just 3.4mm × 2.8mm × 1.8mm.Their pins can be addressed individually,which provides for a flexible driver design.

APPLICATIONS• 3-phase inverter driver for small AC

motor drives• Home appliances• Industrial motors

FEATURES• Three separate Open-source pins from

low-side MOSFETs for three-leg currentsensing

• Active-high interface can work with3.3V/5V logic

• 1,500 VRMS isolation voltage rating • Embedded bootstrap diode



APPLICATIONS• Outdoor and indoor full-colour displays• Video screens• Advertising signs• Stadium scoreboards• Industrial equipment• Gaming machines• Decorative lighting

FEATURES• In-line RGB die configuration• Compatible with reflow soldering process• Wide viewing angle



Product Number Colour DominantWavelength

LuminousIntensity IV (min.)

LuminousIntensity IV (typ.)

DC Forward Current(max.)

ForwardVoltage VF (typ.)

ViewingAngle

ASMT-YTB7-0AA02 Black-Surface RGB PLCC6

Red 617 - 627nm 560mcd 650mcd 50mA 2.1V120°Green 523 - 537nm 1400mcd 1900mcd 25mA 3.1V

Blue 465 - 475nm 285mcd 384mcd 25mA 3.1VASMT-YTC7-0AA02 Black-Body RGB PLCC6


Blue 465 - 475nm 112.5mcd 160mcd 25mA 3.1VASMT-YTD7-0AA02 White-Surface RGB PLCC6


Blue 465 - 475nm 285mcd 384mcd 25mA 3.1VASMT-YTB6-02113 Black-Surface RGB PLCC6

Red 618 - 628nm 400mcd 455mcd 15mA (test current) 2.0V120°Green 528 - 533nm 540mcd 640mcd 10mA (test current) 3.0V

Blue 466 - 470nm 123mcd 140mcd 10mA (test current) 3.0V

RGB LEDs provide full colour spectrum indoors or outdoors



16-bit automotive MCU integrates high-voltage analogue functions

Freescale’s S12VR microcontroller can handle high-voltage signals and power supplies

FREESCALE

Freescale has released a newautomotive microcontroller thatincludes high-voltage analoguefunctions alongside digital logic on asingle chip.

The S12VR is intended for use in DC motorsfor automotive window lift and sunroofapplications connected to LIN networks.

The S12VR, a member of the MagniV mixed-signal MCU family, benefits from Freescale’sLL18UHV technology, which uses a low-leakage 0.18µm fabrication process to integrate40V analogue circuits, non-volatile memoryand digital logic on a single piece ofsilicon.

Traditionally, automotive electronicdesigns have required multipledevices: some created with a high-voltage process to connect to thebattery and power actuator outputs,alongside others designed on a low-voltage digital logic process. Thisposes a challenge when the endapplication has space limitations.

Using the S12VR, developers canconnect high-voltage signals andpower supplies directly to the MCU intheir automotive designs, helpingsave board space, increase system

quality and reduce build complexity.The S12VR MCU provides various analogue

functions required for relay-driven electricmotor control. These analogue componentsinclude an automotive voltage regulator, LINphysical layer, low-side drivers, high-side driversand inputs. The 12V devices are capable ofwithstanding the rigorous requirements of theautomotive environment, up to 40V, which canoccur during load dumps.

The S12 MagniV family uses the proven andwell-supported S12 16-bit MCU, enablingsoftware compatibility and tool re-use across abroad range of applications. The device isavailable as the S12VR64 with 64kbytes ofFlash memory, and the S12VR48 with48kbytes. Both variants are available either as48LQFP or 32LQFP packages.

Rotary position sensor supports high-speed BLDC motors

NXP SEMICONDUCTORS

NXP Semiconductors has introducedthe KMZ60, the industry’s firstmagneto-resistive angle sensor with anintegrated amplifier IC.

The sensor, which uses anisotropic magneto-resistive technology, supports high-performance brushless DC (BLDC) motorcommutation schemes. After calibration, it

offers angle measurements accurate to ±0.1°and a maximum phase error of 1.5° at a rotorspeed of 25,000rpm.

The KMZ60 consists of two chips, an anglesensor and an amplifier, in a single SO8package. It must be paired with a magnet witha field strength of at least 25kA/m andattached to the rotor. The KMZ60 producescosine and sine output signals related to theangle of the magnet’s field.

Since the KMZ60 includes an integratedamplifier, designers can avoid the cost of anexternal amplifier and thus benefit from lowersystem costs.

A pure analogue angle sensor, the KMZ60operates faster than competing digital systemsthat suffer from high latency arising from theiruse of complex algorithms. The accuracy andspeed of the KMZ60 are particularly useful insafety-critical applications such as steeringangle measurement and window wiper motors.

The magneto-resistive sensors operatereliably independent of magnet shifts and driftsdue to lifetime, temperature changes ormechanical stress. This enables accuratereadouts even in the most demandingenvironments, such as inside a motor.

APPLICATIONS• Window lift and seat control motors• Smart actuators• Powered sun-roof motor modules• LIN-controlled relay drives

FEATURES• 25MHz bus• 512bytes of EEPROM with ECC• 2kbytes of on-chip SRAM• Temperature sensor• Internal oscillator module • External oscillator pins



APPLICATIONS• Rotor position sensing in BLDC and

PMSM motors • Window wiper position detection• Steering angle measurement• Industrial and consumer applications

FEATURES• Temperature-compensated output signal

amplitude• Temperature-related ratiometric reference

voltage • Output voltage range is ratiometric to the

supply voltage• Power-down mode saves power when idle• AEC-Q100 automotive qualification



Freescale’s S12VR MagniV: page 4PARTNERWORKING

NXP’s KMZ60: page 4PARTNERWORKING


Automotive DC motor applicationsThe S12VR64 evaluation board allows for access to all ofthe MCU’s pins. An on-board relay is available forevaluating relay driver operation. 12V motor loads up to13A can be supported with an external power supply.Orderable Part Number:S12VR64EVB

FREEBOARDS

NXP KMZ60: high-speed angle measurements accurate to 0.1°



Tiny 3A buck regulator offers upto 97.5% efficiency

The compact IR3823 voltage regulator is well suited to noise-sensitive applications

INTERNATIONAL RECTIFIER

International Rectifier has introducedthe IR3823 SupIRBuck® integratedvoltage regulator for space-constrainedapplications that require high energyefficiency.

Provided in a compact 3.5mm x 3.5mmpackage, the IR3823 is rated for outputcurrents up to 3A. The device’s programmableswitching frequency enables power conversionlosses to be minimised across the inputvoltage range. The IR3823 features efficiencyof more than 97.5% when converting powerfrom a 6V input to a 4.8V output.

The IR3823 uses voltage-mode controlemploying a proprietary PWM modulator withinput-voltage feed-forward, allowing high controlbandwidth and fast loop response with feweroutput capacitors. When configured to switch atup to 1.5MHz from a 12V supply, it allows thedeveloper to implement a complete 3A powersupply in a board area of less than 130mm2.

Featuring constant frequency and virtuallyjitter-free operation, the new device is wellsuited to noise-sensitive applications. It can also

New microcontroller is first to feature precision 16-bit ADCMICROCHIP

Microchip has announced a new familyof 16-bit PIC® microcontrollers offeringprecise and intelligent analoguefunctions on-chip.

The PIC24FJ GC family is a system-on-chipthat integrates a full analogue signal chain, andis the first group of PIC devices to offer an on-chip precision 16-bit ADC. The parts alsofeature a 12-bit ADC running at up to10Msamples/s, a DAC and dual op amps.

The eXtreme Low Power (XLP) technologyembedded in the PIC24FJ GC family providesfor extended battery life. The device maytypically draw as little as 18nA in Deep Sleepmode at room temperature.

This combination of analogue integration andlow power consumption reduces system costand noise and improves signal throughput.These 16-bit MCUs are therefore suitable forportable medical monitoring devices such asblood-glucose meters and blood-pressuremonitors, as well as industrial applicationssuch as voltage and current monitors, gassensors and high-speed sensor arrays.

The PIC24FJ GC family includes anintegrated LCD display driver that provides the

ability to drive up to 472 segments withinformation-rich user displays which includescrolling alphanumeric banners. An integratedUSB2.0 interface supports the uploading ofclinical data for medical equipment and can actas a service/data port for industrial equipment.

Designers can implement capacitive touchsensing using the PIC24FJ GC family’s on-chipmTouch™ peripheral.

The new PIC24FJ GC family is available infour variants. The PIC24FJ128GC010 with128kbyte Flash memory, and PIC24FJ64GC010with 64kbyte Flash, are available in 100-pinTQFP and 121-pin BGA packages. ThePIC24FJ128GC006 with 128kbyte Flash, andPIC24FJ64GC006 with 64kbyte Flash, areavailable in 64-pin TQFP and QFN packages.

APPLICATIONS• Networking equipment• Data centres• Set-top boxes• Distributed point-of-load power supplies

FEATURES• 0.6V reference voltage (±0.6%)• Integrated MOSFET drivers and bootstrap

diode• Thermally-compensated current limit• Icepak thermal modelling software



APPLICATIONS• Portable medical monitoring equipment• Portable industrial monitoring equipment

FEATURES• 16MIPS CPU operation• Operating voltage: 2.0 to 3.6V• 80 I/O pins• Four UART, two SPI, two I2C interfaces• 50 capacitive touch channels



STMicro’s STM32F4x9: page 19PARTNERWORKING


Voltage regulationThe reference design kit demonstrates a point-of-loadDC-DC converter circuit using the IR3823 to convert a 12Vinput to a 1.2V output at a switching frequency of 1MHz.Orderable Part Number:IRDC3823 SupIRBuck Reference Design Kit

FREEBOARDS


Development of portable monitorsA comprehensive development kit featuring the PIC24FGC family of 16-bit microcontrollers. The board featuresan analogue header, allowing clean analogue signals tobe accessed and preserving signal integrity.Orderable Part Number: DM240015

FREEBOARDS

be easily synchronised with an external clock. The developer can choose from three soft-

start time options, providing for easy sequencingof power-up routines.

The IR3823 includes an internal LDO, allowingfor single-supply operation without resorting toan external bias supply voltage. To improvelight-load efficiency, the internal LDO can bebypassed by using an external bias supply.This mode allows the input bus voltage rangeto be extended down to 1.0V.

The IR3823’s programmable switchingfrequency can be adjusted in a range from 300kHzto 1.5MHz. Other key functions include thermallycompensated over-current protection, outputover-voltage protection and thermal shutdown.



STMICROELECTRONICS

FREESCALE

The new Kinetis M series MCUs fromFreescale, based on the 32-bit ARM®

Cortex™-M0+ core, provide a rich setof built-in features to support cost-effective one-, two- or three-phaseelectrical meter designs.

Some Kinetis M series devices integrate thenecessary peripherals to build a single-chip,cost-effective meter thatrequires no externalsupporting components.Others are precisionanalogue interface devicessuitable for use in multi-chipsmart meters withadditional features andcapabilities.

All Kinetis M seriesdevices include anAnalogue Front End (AFE)that enables powercalculations executed bythe processor core toachieve accuracy of 0.1%. The configurableAFE can be adapted for use in many regionsglobally. It includes four 24-bit sigma-deltaADCs, two low-noise programmable gainamplifiers to enable a dynamic range of2000:1, one precision voltage reference withlow drift over temperature, and a phase shiftcompensator to simplify power computation.

The AFE requires only a single point ofcalibration, reducing the OEM’s manufacturingtest costs.

The Kinetis M series also integrates severalfeatures for security and revenue protection,including:• A memory protection unit to help prevent

unauthorised code modifications• External tamper detection pins that actively

monitor attempts to intrude into the meter • A random number generator for the most

efficient execution of data cryptographyalgorithms Another advantage of using the Kinetis M

series for meteringapplications is the numberof development supportofferings available todesigners of smart meters.These include ready to use,pre-certified metrologyfirmware for calculatingactive, reactive and apparentpower derived from a varietyof algorithms.

The normal suite ofdevelopment tools forKinetis MCUs is alsoavailable, including the

CodeWarrior® Development Studio, MQX™

RTOS, and third-party tools such as the IARIDE EWARM. Freescale also provides pre-certified reference designs tailored to therequirements of different regions:• Highly accurate one-phase meter for Europe • Cost-effective meter implementation which

supports neutral disconnect for China and India

Accurate op amps feature almost zero drift over temperature

APPLICATIONS• Battery-powered devices• Portable devices• Signal conditioning• Medical instrumentation

FEATURES• High accuracy without calibration• Supply voltage: 1.8V to 5.5V• 4kV ESD rating (human body model)



APPLICATIONS• Smart meters

FEATURES• ARM Cortex-M0+ core capable of

operation at up to 50MHz• <100µA/MHz current in Run mode• Up to 128kbyte Flash memory and

16kbyte SRAM• No external crystal required• Segment LCD controller for up to 288

segments• Real-time clock auto-compensated for

extreme accuracy



Freescale’s Kinetis KM3x: page 6PARTNERWORKING

STMicro’s TSZ121: page 6PARTNERWORKING


Smart meter designThe TWR-KM34Z50M microcontroller module workseither in stand-alone mode or as part of the FreescaleTower System, a modular development platform thatenables rapid prototyping and tool re-use.Orderable Part Number: TWR-KM34Z50M

FREEBOARDS

The new TSZ12x series of high-precision operational amplifiers fromSTMicroelectronics offers very lowinput offset voltages withvirtually zero drift.

TSZ121 is the singleversion, TSZ122 the dualversion, and TSZ124 thequad version, in pin-outscompatible with industrystandards.

The high accuracy of these opamps is almost completelyunaffected by changes intemperature. The maximum offset voltage isjust 5µV at 25°C, and even over the fulloperating temperature range of -40°C to125°C, this figure is just 8µV. This stable

performance is due to the op amps’ chopper-stabilised architecture, which ensures that theamps constantly correct low-frequency errorsacross their inputs.

The TSZ12x parts also offer an excellentcombination of high speed and lowpower consumption: while gainbandwidth product is 400kHz,they draw less than 40µA at 5V.The devices also feature anultra-low input bias current.Together, these features makethe TSZ12x family ideal forlow-power applicationssuch as sensor interfaces,and portable and battery-

powered devices. The TSZ12x series features rail-to-

rail inputs and outputs: outputs are rated at amaximum of 30mV above and below the railwhen connected to a 10kΩ resistive load.

The devices are offered in compact SC70-5,DFN8 2x2, and QFN16 3x3 packages.

New MCUs offer accuracy and security in smartmeter designs

Kinetis M series MCUs: wide range of securityand revenue-protection features



Noise-immune 600V triac idealfor bi-directional switching

NXP BT137-600G0 triac: able to withstand high voltages

NXP SEMICONDUCTORS

The BT137-600G0 is a planar-passivated four-quadrant triac intendedfor use in general-purpose bi-directionalswitching and phase-controlapplications. It features a high blocking-voltage capability.

The minimum gate trigger current is specifiedat a high 10mA, providing for very highimmunity to gate noise.

The triac’s planar passivation gives it theability to withstand high voltages, and helps tomake it an extremely rugged device.

The repetitive peak off-state voltage is rated at600V.

The BT137-600G0 supports triggering in allfour quadrants. It is provided in a SOT78 (TO-220AB) plastic package.

New chip capacitors ideal forsafety-certified applications

Vishay’s VJ capacitors are available in a range of low-profile case sizes

VISHAY

Vishay Intertechnology has announceda new series of surface-mountmultilayer ceramic chip capacitors(MLCCs) for safety-certified applications.

The VJ Safety series of devices are approvedfor compliance with the IEC 60384-14:2005standard, 3rd edition. They are available withC0G (NP0) and X7R dielectrics. Each dielectrictype offers an X1/Y2 or X2 safety classification.The capacitors are specified for operation atup to 250V AC.

Devices with a C0G (NP0) dielectric offer

low capacitance down to 10pF, a TemperatureCoefficient of Capacitance (TCC) of 0ppm/°C (± 30ppm) from -55°C to 125°C. The ageingrate is 0% per decade.

If higher capacitance values are needed, theX7R devices provide capacitance up to 12nFand a temperature coefficient of ±15% from -55°C to 125°C with 0V applied. Their ageingrate is 1%, maximum, per decade.

The insulating resistance is a minimum100,000MΩ or 1,000ΩF at 25°C, whichever isless. The SMD case sizes have low profiles tosave board space and fully conform with thelatest creepage distance requirements.

VJ Safety series devices are manufactured inNoble Metal Electrode technology (NME) usinga wet-build process.

APPLICATIONS• EMI and AC line filtering• Lightning strike and voltage surge

protection in power supplies and batterychargers

• Isolators for telephones, modems androuters

• AC equipment and appliances

FEATURES• 2008, 2012, and 2220 case sizes • Approved to IEC 60384-14:2005, 3rd

edition • Peak impulse voltage: 5,000V (X1/Y2) or

2,500V (X2)• Operating temperature: -55°C to 125°C



APPLICATIONS• General-purpose motor controls• Lighting controls• Applications in which only a positive gate

drive is available• Applications in which gate noise or

interference might occur

FEATURES• 8A maximum on-state current• 65A maximum peak current• 0.5W maximum average gate power



Dielectric SafetyClassification Case

Capacitance

Minimum Maximum

C0G (NP0)

X1/Y2

2008 10pF 220pF

2012 18pF 470pF

2220 47pF 1.0nF

X22008 10pF 390pF

2012 18pF 470pF

X7R

X1/Y2

2008 82pF 1.0nF

2012 150pF 1.2nF

2220 270pF 4.7nF

X2

2008 82pF 2.7nF

2012 150pF 5.6nF

2220 270pF 12nF



60V MOSFET helps minimise power losses

Fairchild FDMS86550: Power 56 package offers excellent thermalperformance

FAIRCHILD SEMICONDUCTOR

The new FDMS86550 from FairchildSemiconductor is a 60V, 100A n-channelMOSFET offering low on-resistance.

The PowerTrench® MOSFET owes its superiorcharacteristics to proprietary Fairchildtechnology which results in the production ofMOSFETs with low on-state resistancealongside excellent switching performance.This makes the device appropriate fordevelopers seeking to minimise losses in mid-voltage power system designs.

On-resistance is rated at 1.65mΩ whendrawing 32A at 10V. This rises to 2.2mΩ whendrawing 27A at 8V.

The thermal performance of the Power 56package, which measures 5mm x 6mm, alsocontributes to the efficiency and robustness of

the device. Junction-to-case thermal resistanceis rated at 0.8°C/W.

At the same time, the device provides forexcellent switching performance, with a risetime rated at 43ns and a fall time of 20ns,both maximum values.

A related part from Fairchild, theFDMS86252L, is an n-channel PowerTrenchMOSFET which also features shielded-gatetechnology. Its enhanced body diodetechnology is engineered for soft recovery.

Housed in the same Power 56 package, it israted for a maximum 150V and 12A. On-resistance is rated at 56mΩ when drawing 4.4Aat 10V, and 75mΩ when drawing 3.7A at 4.5V.Junction-to-case thermal resistance is 2.5°C/W.

PoE MOSFETs offer 2x stronger protection thancompeting devices

Power-over-Ethernet technology can now supply as much as 100W to powered devices

NXP SEMICONDUCTORS

NXP Semiconductors has released thePSMN075-100MSE and PSMN040-100MSE N-channel MOSFETs forPower-over-Ethernet (PoE) applications.

The PSMN040-100MSE is aimed at PoEdesigns requiring more than 60W, and thePSMN075-100MSE supports devices usingless than 60W.

New approaches, both standard andproprietary, are ushering in a new generation ofPoE systems that can deliver as much as

100W to each powered device. At the sametime, these powered devices are placinggreater demands on the Power-SourcingEquipment (PSE) that supplies them. Theserequirements include soft-start procedures,tolerance of short-circuits, improved thermalmanagement and high power density.

Advanced PSE controllers from companiessuch as Linear Technology and Maxim areavailable to meet these system specifications.Now NXP’s PoE MOSFETs, part of itsNextPower Live portfolio, have beenintroduced to complement these PSEcontrollers. With a minimum drain-sourcebreakdown voltage of 100V, these MOSFETsoffer more than 2x better protection thancompeting devices.

APPLICATIONS• Primary DC-DC MOSFET• Secondary synchronous rectifier• Load switch

FEATURES• 1µA drain current at zero gate voltage• 154nC maximum total gate-charge• 109ns reverse recovery time at 32A



APPLICATIONS• IEEE 802.3at designs• Large LCD displays• Cellular and Wi-Fi hotspots• Security cameras

FEATURES• 1µA maximum drain leakage current @

100V and 25°C junction temperature • 2.32K/W thermal resistance from junction

to mounting base



At the same time, they are notable for their lowon-resistance, helping designers to minimiseconduction losses. The PSMN040-100MSEoffers a maximum 36.6mΩ on-resistance at10V and 10A. The PSMN075-100MSE’s on-resistance is rated at 71mΩ at 10V and 5A.

The PSMN075 and PSMN040 also offer ahigh level of avalanche ruggedness, offering amaximum 25mJ tolerance at 18A for thePSMN075, and 54mJ at 30A for thePSMN040.


300mA LDO the perfect partner for low-powerARM Cortex MCUs

NXP SEMICONDUCTORS

The LD6836TD is a small LDO regulatorfrom NXP Semiconductors offering amaximum voltage drop of 200mV at its300mA output current rating. Itoperates from input voltages between2.3V and 5.5V.

The members of the LD6836TD family areavailable with up to 16 fixed output voltagesbetween 1.2V and 3.6V, in a standard SOT753plastic package measuring 2.9mm x 1.5mm x1.0mm.

Across this range of outputs, there are alsotwo variants: LD6836TD/xxH devices show ahigh-ohmic state at the output pin, whilst theLD6836TD/xxP parts contain a pull-downswitching transistor, to provide a low-ohmicoutput stage when the device is disabled. Allparts use the same regulator design and aremanufactured in monolithic silicon technology.

The LD6836TD’s moderate voltage drop andhigh power-supply rejection ratio provide for lowpower losses and superior operating stability;the package’s design also dissipates wasteheat efficiently. This makes the LD6836TDseries ideal for use in space-constrained andbattery-powered applications, such as cordlesstelephones and personal digital devices.

The LD6836TD is particularly well suited tothe low-voltage supply rail of ARM Cortex-M0and ARM® Cortex™-M0+ microcontrollers suchas the LPC800 family from NXP.

All LD6836TD parts include over-temperatureprotection and an over-current limit protection.

APPLICATIONS• Point-of-load power supplies for FPGAs,

MCUs and SoCs

FEATURES• 0.1µA quiescent current in Shut-down

mode • 30µVRMS output noise voltage @

10Hz to 100kHz• 150µs turn-on time • 55dB power supply rejection ratio @ 1kHz• Integrated ESD protection up to 10kV on

human body model


my-ftm.com/131115FOR PARTS ANDLATEST PRICING my-ftm.com/131115FOR PARTS ANDLATEST PRICING


LD6836TD LDO: low power losses and high stability



SD 3.0 card level-shifter the first to supportSDR50 mode

New SDR50 mode provides for high data rates in SD 3.0 card systems

NXP SEMICONDUCTORS

NXP Semiconductors has announcedthe IP4855CX25, a 6-bit bi-directionaldual-voltage level shifter for SD 3.0-compliant memory cards which offersintegrated ESD and EMI protection.

The device is designed to operate at clockfrequencies of up to 100MHz and data rates ofup to 50MHz. The IP4855CX25 isthe industry’s first SD 3.0 cardlevel shifter to support the ultrahigh-speed SDR50 mode, helpingconsumers to safely experiencethe faster data rates offered bySD 3.0 memory card systems.

Providing 8kV of integratedESD protection according to IEC 6100-4-2 (Level 4), as well asan integrated EMI filter, theIP4855CX25 offers a robustsolution for the communicationinterface between the systemchip and the memory card.

The IP4855CX25 is housed in a 25-ball 2mm x2mm wafer-level chip-scale package with apitch of just 0.4mm. Requiring no externalsupporting components, its use helps tosimplify card-interface designs and to reducebill-of-materials costs.

Software eases use of opticalsensor module in Android devices

Vishay VCNLx020: IR emitters and sensors in one compact package

VISHAY

Vishay Intertechnology has announcedthe availability of free Android™ softwarefor its VCNL4020 and VCNL3020integrated proximity and ambient lightsensors.

The Android software package eases theimplementation of proximity and ambient lightsensing in any device running Android 4.0.1 orhigher. Since the Vishay Android softwareeliminates the need for debugging, users canbenefit from savings in development timewhen integrating the VCNL4020 or VCNL3020into an Android device.

Ambient light sensing is widely used inportable devices for automatic backlight

intensity control, and proximitysensing to detect when amobile phone is being held tothe user’s ear. The VishayVCNL4020 and VCNL3020are fully integrated solutionsfor such applications. Theycontain an infra-red emitterand photo detector forproximity sensing, an ambientlight sensor, VCNL4020 only,and signal processing all in asingle low-profile packagemeasuring 4.9mm x 2.4mm.

The VCNLx020 Androidsoftware package includes thedocumentation, source codeand patch files required toallow an Android-based

platform to communicate with the VCNL4020or VCNL3020. This communication follows thestandard Android sensors framework.

The Android VCNL4020 driver consists oftwo parts: the kernel module responsible fordata control and acquisition from theVCNL4020; and a Hardware Abstraction Layermodule to link the kernel to the main Androidframework, allowing the information suppliedby the sensor to be used by Androidapplications.

The VCNLx020 Android software packagecan be freely downloaded fromwww.vishay.com/optical-sensors.

See Design Note on page 16.

APPLICATIONS• Cameras• Set-top boxes• Portable games consoles

FEATURES• Feedback channel for clock

synchronisation• Integrated pull-up and pull-down resistors• Integrated EMI filters suppress higher

harmonics of digital I/Os• Level-shifting buffers keep ESD stress

away from the host



APPLICATIONS• Consumer electronics• Computing equipment• Industrial devices• Displays

FEATURES• I2C interface• 1.5µA stand-by current• Proximity function effective up to 200mm



The IP4855CX25 gives designers a plug-and-play option when using system chips withinput- and output-voltage level limitations. It isintended to interface between a memory cardoperating at 1.8V or 2.9V signal levels and ahost with a fixed nominal supply voltage of1.2-3.3V.

The device, which has an integratedswitchable LDO to supply the card-side I/Os,supports SD 3.0 standard memory cardsoperating in SDR50, DDR50, SDR25, SDR12and SD 2.0 High-Speed (50MHz) modes, andalso in the Default-Speed (25MHz) mode.



Waterproof connector canjoin 50A power cables

The EM-W connector from Hirose can be safely submerged in liquid

HIROSE

The new EM-W series from Hirose is ahigh-current, IP68 waterproof circularconnector with bayonet locking forthree-phase power supplies.

Hirose has introduced the EM-W range tomeet increased demand for power connectorsoffering high reliability in industrial applications.The range consists ofplugs and receptaclesthat have the capacity tohandle up to 50A.

The innovativeconnector designincorporates three 50Apower contacts and oneground contact. Thecontacts are arranged insequence to ensure theground contact isconnected before thepower contacts duringthe mating process.

A special spring in the receptacle connectsthe ground contact to the metal shell forreliable panel grounding. The EM-Wconnectors also feature a special protectivecover over the female contacts to minimise theexposure of the contact area and so reducethe risk of damage. Termination of the crimpcontact is quick and easy using standard JIScrimping tools.

Waterproof protection is guaranteed withspecial gaskets placed at each connectionpoint in the mated condition. The EM-W series

can safely withstand submergence in 1.8m ofwater for 48 hours in its mated condition.

The connector includes five polarising keysin the mating face to guarantee the correctmating position and to brace the connectorwhen subject to vibration. The special one-touch bayonet locking mechanism securelylocks the mated connectors quickly and easily.This works by turning the outer collar on theplug with a clockwise quarter-turn to mate theconnector, and a quarter-turn counter-clockwise to disconnect. Correct mating isconfirmed with an audible tactile click.

Compact method for connecting 1.5mm2 cabling

WAGO 713 series: for high-density wire-to-board connections

WAGO

WAGO is offering its 713 series, a Mini-HD Multi-connection System providinga compact two-row housing forconnecting up to 1.5mm2 cables.

The design of the two-row system provides forhigh-density wire-to-board connections inproducts using 1.5mm2 cables. WAGOestimates that OEMs can save as much as40% of the cabling space in front-panel I/Oconnections.

The 713 series connectors feature vibration-proof CAGE CLAMP® terminations forapplications that require robust connections.

The connectors are available withstraight or angled headers, and inversions with from 6 to 36 poles.

WAGO’s design for the 713series connectors makes mis-mating impossible, because theplug can only fit into the header inthe correct orientation. Inaddition, special coding on theside of the device protectsagainst the risk that the headermay be mounted incorrectly.

The female connectors have abracket for a strain-relief plate inthe middle, between the rows ofcontacts.

The contact pins in the femaleconnector are accommodated inindividual chambers. Thismeasure protects againstmechanical damage, for instanceduring manufacturing processes,

and is particularly valuable in equipmentexposed to harsh environments.

For plug connections subject to multiplemating cycles, a connector is available in the713 series that offers an unplugging aid and alocking option.

P.I.E.S E C T I O N

APPLICATIONS• Industrial equipment

FEATURES• Cord clamps and connector removal

tools available • Crimp contacts• Suitable for 8mm2 cables



APPLICATIONS• Industrial equipment

FEATURES• Unmated headers offer IP20 protection• Conductor size 0.08-1.5 mm²/AWG 28-16• 3.5mm pin spacing• 160V/2.5kV rated according to

IEC/EN 60664-1• 150V UL approval• Withstands 10A current• Through-hole male headers for reflow

soldering in surface-mount applications





Two-colour LED switches candisplay two different legends

NKK switches: innovative overlay material responds to changes in colour

NKK SWITCHES

NKK Switches has released newswitches with an innovative opticaloverlay technology which means theycan display a legend that is differentdepending on whether the circuit isopen or closed.

The push-buttonswitches are available inseveral variants: the UB,KP01, KP02, NP01 andUB2 series. The variousparts offer a range ofmounting styles andbutton types.

All offer a dual-legendcapability, with a choiceof standard legendsincluding; On/Off,Start/Stop, Open/Close,Remote/Local andEco/Power. The switches are able to

change the legend because of the specialproperties of the two overlays on the surfaceof the switch. One overlay is affixed directly ontop of the other, on the top surface of theswitch. Each overlay filters the wavelength ofone of the two LEDs in the switch. Eachoverlay carries a different legend, which is onlyrevealed when the matching LED isilluminated.

The snap-acting contact mechanism ofthese switches provides for sensitive actuation

and audible feedback to the user. The quick-make/quick-break property of the switch limitsthe risk of arcing, helping to prolong the life ofthe electrical circuit. The terminals are epoxy-sealed to prevent flux, solvents and othercontaminants from entering the switch’shousing.

The switches from NKK are available ineither a red/green or amber/blue combination.

The KP01, KP02, NP01 and UB2 seriesswitches are available in 12mm or 15mmsquare cap versions. The UB series is availablewith 15mm or 18mm square caps, or in avariety of rectangular formats.

Compact chip capacitors offer industry-bestcapacitance-voltage product

TL8 capacitors: low profile case sizes fit in thin devices such as key fobs

VISHAY

Vishay Intertechnology has released anew series of moulded Microtan® solidtantalum chip capacitors aimed atspace-constrained electronics products.

TL8 series devices benefit from a packagingdesign that makes extremely efficient use ofspace. As a result, the capacitors are able tooffer the industry’s highest capacitance-voltageproduct ratings for each of a range of smallcase sizes.

Vishay Sprague TL8 capacitors are offeredin a variety of compact EIA standardfootprints, including the 0805, A case (3.2mm

by 1.6mm), and B case(3.5mm by 2.8mm), andwith low profiles of 0.8-1.0mm. The devicesfeature highcapacitance-voltageratings from 3.3µF-35Vup to 220µF-4V.

The TL8 parts areoffered with one of twocapacitance tolerances,±10% or ±20%.

With their small casesizes and low profiles,the TL8 capacitors canbe used for bulkcapacitance, energystorage, filtering, anddecoupling in any

handheld device or other space-constrainedproduct. In addition, the parts’ high voltageratings are ideal for OLED displays.

The TL8 series features an L-shapedfacedown termination which offers a bettermechanical and electrical contact to the solderpad than traditional facedown-style terminations.

APPLICATIONS• Handheld devices• Consumer electronics• OLED displays

FEATURES• Voltage range: 4-35V• Capacitance range: 0.68µF to 220µF



APPLICATIONS• Industrial switches• Safety equipment• Broadcasting equipment

FEATURES• Custom legends available on request• 30mA maximum forward current of LEDs• Lens and diffuser cap types available



P.I.E.S E C T I O N



Family of scalable spring fingersshares a single footprint

Spring fingers from TE: improved contact force and reliability

TE CONNECTIVITY

TE Connectivity (TE) has introduced afamily of scalable spring fingers inheights from 1.8mm to 3.4mm. All canbe mounted on a single footprint,enabling the designer to change theprofile of the design withoutreconfiguring the board layout.

Spring fingers (also knownas shield fingers, groundingsprings or universal groundcontacts) are used in almostevery small PCB to provide asingle-contact, surface-mountable internalconnector. A spring fingeroffers an electricalconnection and groundingfrom EMI noise and staticbetween a PCB and otherelectronic components, suchas a secondary PCB, shieldcam, antenna or speaker.

The scalable type from TE features a pre-loadfunction which nearly doubles the working areacompared to a common spring finger andincreases contact force by 0.2N. A scalablespring finger also has a dimple on the contact,which helps to improve contact force andreliability.

The tip of the finger bends backward toprevent it from hooking on any othercomponent. On the back of the scalablespring finger, there is a pick-and-place areathat makes the device compatible with

automatic assembly processes. The holes atthe bottom of the spring finger increasesoldering strength while reducing problemswith solder-wicking.

Besides scalable spring fingers, TE offers afamily of variable-footprint spring fingers in fourstyles and multiple sizes. Their effectiveheights range from 0.3mm to 6.5mm, withwidths ranging from 0.8mm to 2.5mm. Theyrequire very limited space on a PCB andaccommodate soldering as well as pick-and-place using standard equipment.

PTS840 series from C&K: rated for 100,000 switching cycles

C&K COMPONENTS

C&K Components has developeda new series of surface-mountside-actuated switches thatoffers long operating life whileoccupying a small footprint.

The tiny PTS840 series switch isavailable with front PIP leads that deliverstrong shear resistance and higherreliability than other technologies. Theparts are rated for a minimum of100,000 switching cycles.

The side-actuated switch measures aslim 3.5mm x 3.55mm with a travel pathof 0.2mm + 0.2mm/-0.1mm. Themomentary action of the PTS840 seriesswitch with G and front PIP-typeterminals can handle contact resistanceof less than 500mΩ and insulationresistance of more than 100mΩ.

C&K can embellish the switch itselfwith custom graphics, logos, texturesand finishes on surfaces that are

exposed to the end user. Through the use oftwo-shot moulding, paint and laser etching,pad printing and plating processes, thesedecorative switches can be made an attractiveelement in the end product’s industrial design.

APPLICATIONS• White goods• Automotive• Medical scanners • Industrial circuit breakers

FEATURES• Rounded contact tip with no sharp edges• Contact can deflect to bottom of spring

finger without permanent deformation



APPLICATIONS• Remote controls• Personal diagnostic devices• Consumer electronics

FEATURES• <10ms bounce time• 50mA maximum current• 12V maximum voltage• Operating temperature range:

-40°C to 85°C



P.I.E.S E C T I O N

TypeWithout Ground Pin

OperatingForce (gf)

SMTLeads Pegs

PTS840 GM SMTR LFS 160 -40/+70 G leads No

PTS840 GK SMTR LFS 220 -70/+80 G leads No

PTS840 PM SMTR LFS 160 -40/+70 P leads No

PTS840 PK SMTR LFS 220 -70/+80 P leads No

PTS840 GMP SMTR LFS 160 -40/+70 G leads Yes

PTS840 GKP SMTR LFS 220 -70/+80 G leads Yes

TypeWith Ground Pin

OperatingForce (gf)

SMTLeads Pegs

PTS840 ESDGM SMTR LFS 160 -40/+70 G leads No

PTS840 ESDGK SMTR LFS 220 -70/+80 G leads No

PTS840 ESDPM SMTR LFS 160 -40/+70 P leads No

PTS840 ESDPK SMTR LFS 220 -70/+80 P leads No

PTS840 ESDGMP SMTR LFS 160 -40/+70 G leads Yes

PTS840 ESDGKP SMTR LFS 220 -70/+80 G leads Yes

Tiny side-actuated switch offersstrong shear resistance

D E S I G N N O T E

Freescale i.MX 6 applications processors are one of the world’smost versatile platforms for smart embedded systems inmarkets including industrial, medical, automotive, and digitalsignage. A crucial decision for the embedded systemsdeveloper using the i.MX 6 is the choice of Operating System(OS). Board Support Packages (BSPs) for both Linux andWindows® Embedded Compact 7 are available. This DesignNote describes the reasons for choosing WindowsEmbedded Compact 7, and its BSP developed by Bsquare.

Questions about LinuxThere are three commonlycited reasons for choosingLinux over Windows, but allthree merit closerexamination – all is notnecessarily as it seems.

First, there is theperception that Linux is free.While it is true that open-source Linux does notrequire an up-front payment,the cost of licensing an OSis only a small part of thetotal cost of using and

supporting it. Deployment, management,security, and updates must also be considered inthe total cost of ownership. Windows EmbeddedCompact 7 can often provide a lower total costthan Linux because Windows is managed andupdated by one organisation, Microsoft, whichhas the resources and expertise to supportOEMs of all sizes.

For example, Microsoft covers WindowsEmbedded Compact 7 under a 10 year supportprogramme. By contrast, there is no single,source of support for open-source Linux. Inaddition, there is a smooth upgrade path fromWindows Embedded CE 6.0 to WindowsEmbedded Compact 7, so designers cancontinue to use legacy Windows Embeddedapplications on new hardware.

Linux is often touted for the strength of itscommunity, but the Microsoft Partner Network isone of the most well supported partnerorganisations in the technology industry, withhigh standards for participation and expertise.More than 700 partners worldwide are dedicatedto Windows Embedded, and there are more than700,000 partners in the Microsoft network.

And the support system is not just about Microsoft. Bsquare, thedeveloper of the Windows Embedded Compact 7 BSP included with theNovPED Product Evaluation Demo, is one of the world’s leadingproviders of smart, connected systems, drawing on extensiveexperience in every embedded technology market.

As a member of Freescale’s Wireless Developer Network, Bsquare hasaccess to a comprehensive catalogue of software, hardware, tools andservices to help OEMs create faster, smarter, more powerful devices thatuse Freescale’s broad portfolio of wireless products and platforms.

Plugging the security holesAnother argument commonly advanced in favour of Linux is that it ismore secure. However, as usage of Linux has become morewidespread, it has also become the target of an increasing number ofattacks. Any embedded system can be a target, particularly if there is afinancial reward for malefactors, which is the case in applications suchas point-of-sale systems.

Windows Embedded users can turn to Microsoft and a large communityof certified experts for help in addressing security challenges, andMicrosoft has one of the world’s largest teams of security expertsworking to address known and zero-day vulnerabilities on behalf of theircustomers. Linux users must rely on the goodwill of an unmanagedcommunity with skills and allegiances of which OEM developers cannotbe sure.

Windows Embedded Compact 7 is used in a wide variety of settingswith stringent security requirements ranging from defence equipment tomedical devices.

Open-source development on WindowsDevelopers of embedded systems frequently need the ability to modifylow-level code in order to optimise system performance and provide

FREESCALE

iMX 6 series application processor block diagram

How the Windows Embedded Compact designs on i.MX 6 processors


The NovPED demo kit supports the Bsquare board supportpackage for Microsoft Windows Embedded Compact 7

innovative user experiences. It would seem that this is an argument infavour of Linux, for which 100% of the source code is available.However, Microsoft actually works closely with embedded systemsOEMs, and fully supports open source development projects. For themost part, only the components of Windows Embedded Compact 7 thatbenefit from industry-wide standardisation are closed-source.

By providing the vast majority of OS source code for WindowsEmbedded Compact 7, Microsoft gives OEMs the control they need forlow-level fine-tuning of their designs.

Faster time-to-marketFor OEMs that choose to develop using Windows Embedded, theWindows Embedded Compact 7 BSP for Freescale i.MX 6 on the NovPEDProduct Evaluation Demo offers faster time-to-market, reduced projectrisk and cost, and facilities for designing sophisticated user interfaces.

Windows Embedded Compact 7 provides an architecture similar tothat of desktop Windows products, so OEMs can draw on theirknowledge of Windows development practices and tools. For example,writing a network driver on Windows Embedded Compact 7 is verysimilar to writing one for Windows.

OEMs opting to use Windows Embedded Compact 7 can also usethe Visual Studio integrated development environment to develop boththe operating system image and applications. They can write in C/C++native or managed code using the .NET Compact 7 Framework. WindowsEmbedded Compact 7 includes a Visual Studio plug-in that makes iteasy to select and configure only the operating system componentsrequired for the device, reducing the size of the OS memory footprint.

Also, the Windows Embedded Compact 7 BSP provides completesupport for Freescale i.MX 6 system-on-chip components including:• i.MX 6 multi-core processor• Up to 3GB of RAM• RS232 serial interface• 10baseT and 100baseT Ethernet• USB Host• SD memory card support

Reduced risk and costThe Windows Embedded Compact 7 BSP from Bsquare provides OEMswith a reliable, market-tested starting point for customisation thatreduces project cost and risk. Additionally, Microsoft indemnifiescustomers against patent claims on OS components. This is not thecase with Linux. Some OEMs using Linux have had to defendthemselves in court or pay unexpected licence fees to patent holders.

With the explosive growth in patent litigation over the past severalyears, this has become a significant risk – one that is eliminated whenusing Windows Embedded Compact 7. With Microsoft products,customers know they are dealing with an organisation that is trusted byenterprises worldwide. In addition, qualified developers for Windows-based OSs are normally much easier to find than Linux developers.

The Windows Embedded Compact 7 BSP from Bsquare is designedto help OEMs deliver next-generation embedded device experiences. Itincludes built-in support for touch-screen displays. The user interfacecan be written using the simple and familiar WinForms approach or, for acustomised and modern look and feel, by using XAML. With support forWVGA LCD screens up to 800 x 480 in size, OEMs can offer customersmore precise interactivity and make the most of their graphics interface.

In conclusion, i.MX 6 processor users can benefit from the WindowsEmbedded Compact 7 BSP to get to market faster, reduce cost, andmanage risk whileproviding users withthe fast, engagingexperiences that leadto high customersatisfaction.

D E S I G N N O T E


7 board support package accelerates

BSP supports NovPED product evaluation devices based on the NovSOM and can be customised to yourexact SOM-based product design

Underside of NovPED showing NovSOM module, which can be used with your own custom carrier board

Operating System evaluationThe NovPED Product Evaluation Demo provides ahardware environment in which developers can evaluatethe Windows Embedded Compact 7 operating system. Orderable Part Number: NOVPEDIMX6-70WVGA-P

DEMOBOARDS

Apply at: my-boardclub.com


D E S I G N N O T E

In applications in which safety might be compromised, such as when auser must find a knob or push a specific button, a user can operate amachine through gestures in a wide active field where gross movementscan replace fine movements for a simple and more intuitive interface withthe machine.

But how can gesture control be implemented? This Design Notedescribes a reference design, developed by Vishay, which may provide ablueprint for a wide range of end-product implementations.

The foundation of Vishay’s Gesture Control Sensor Board is theVCNL4020 proximity and ambient-light sensor. Two of Vishay’sVSMF2890RGX01 IR diodes are mounted on either side of the sensor,as shown in Figure 2. They are mounted on the reverse side of the PCBfrom the VCNL4020 sensor to keep to a minimum the cross-talkbetween the diodes and the sensor. The emitters’ high typical radiantintensity of 80mW/sr at 200mA allows for the detection of hand gesturesat up to 25cm above the sensor board.

VISHAY

Implementing gesture control: a single proximity sensor

Fig. 1: Vishay’s gesture-control system consists of just two IR LEDs and a single proximity sensor

Fig. 2: The Vishay Gesture Control Sensor Board, showing the proximity sensor and LEDs mounted oneither side of the board

Fig. 3: The two emitters are switched almost simultaneously

Principle of operationThe detection of gestures is accomplished by comparing the IR signalcoming from each of the emitters. The emitted IR light is reflected froman object, for example a hand, and then detected by the VCNL4020proximity sensor. In order to differentiate between the signals comingfrom either emitter, the emitters are multiplexed.

The proximity signal is then read out between each pulse via an I2Cbus interface. When a hand is in proximity to the board, it will reflectmore light from the emitter it is directly located over. If a hand is movedacross the board, the reflected-light signal from one emitter will increasebefore the signal associated with the other emitter.

This time difference of signal strength is analysed to determinewhether a swipe was made and in which direction.

The detection of a gesture calls for two main processes: • the acquisition and preparation of the raw data to be analysed • the interpretation of this raw data by the detection algorithm.

If a gesture is recognised, a corresponding event is triggered.

Data acquisitionThe data used for gesture recognition are acquired in separate datastreams, one per emitter. As the emitters are multiplexed, so only oneemitter should be on at a time, the measurements are staggered. Onemeasurement cycle consists of a set of data from each channel.


There are many advantages to using gesture control in placeof capacitive touch-sensing control or more traditionalcontrol devices such as buttons or knobs. When wearinggloves, capacitive touch panels will not work, but infra-redgesture control will. While both sensing technologies work intwo dimensions (x and y), gesture control adds a thirddimension: users can move their hand towards and awayfrom the sensor to execute control.

The measurements are done in quick succession so that the timerequired to complete a full measurement cycle is much greater than thetime between the individual proximity measurements of each emitter, asshown in Figure 3. This means that the system can compare the twoemitter signals almost in real time.

If the jumps between measurements are too erratic, for example if thesensor is in a noisy environment, several measurements per emitter andper measurement cycle can be made and then averaged. This will slowdown the measurement speed, but it will result in a cleaner signal. Thisvariable can be adjusted in the demo software provided with the board.

To be able to analyse and compare the data streams of each emitterchannel with one another, the data of each stream are split into framesof ‘n’ measurements. Each frame contains the most recent nmeasurements, with each iteration of the measurement cycle moving thesample one frame on. The recognition algorithm analyses each frame,and once a frame is seen to contain a gesture, the next few frames areignored, in order to avoid detecting the same gesture twice.

Furthermore, by ignoring several frames after a valid gesture has beendetected, it is possible to reduce false positives from hand movementsin the sensor’s field of view that were not intended as a gesture. Thisvariable can be adjusted in the demo software.

Each frame of the acquired signal is analysed for two parameters: thestandard deviation of each signal and the time delay between signals. Bycomparing the results of this analysis to user-defined thresholds, thealgorithm can tell whether a gesture was made, and which kind ofgesture it was.

The standard deviation is a measure of the spread of the data withinthe frame being analysed. It is calculated using the following formula:

Where x = the mean of the current frame and n = the number of samples being analysed

A low standard deviation implies there is no change in the signal andthere is either no hand in the sensor’s detection area or the hand is heldsteady over the sensor and no swipe or push gesture is being made. Ahigh standard deviation implies a large change in the signal, suggestingthe movement of a hand across or towards the sensor.

The detection algorithm only analyses the frame for more parametersif the signal is above a set standard-deviation threshold.

The presence of a sufficient time delaybetween the signals signifies that a swipegesture has been made. In the detectionalgorithm implemented in the demo kit, thetime delay is found by measuring the cross-correlation between the two signals.

The cross-correlation effectively shifts one ofthe signals over the other and computes thepercentage overlay of their integrals. By takingnote of the point of maximum cross-correlationbetween the signals, an estimation of the timedelay between the two signals can be made.

Both a time-delay threshold and thestandard-deviation threshold can be adjustedin the demo software, enabling the designer totest and fine-tune them for any givenapplication.

Setting the thresholdsThe standard deviation is a measure of the spread of the data withineach frame. The movement of the hand over the gesture board willincrease the standard deviation of both signals. The detection algorithmwill only scan the frames for a time delay between the signals if thestandard deviation exceeds a threshold. This threshold should be sethigher than any observed signal noise. The further away from the sensora gesture is performed, the smaller the change in standard deviation, asfewer counts are detected.

The gesture detection range increases with a lower standard deviationthreshold, as a smaller change in the signal is required to exceed thethreshold.

The time-delay threshold determines the minimum time delay thatneeds to be detected by the gesture algorithm for it to execute agesture event, and determine if it was a negative, left swipe, or positive,right swipe, delay, as shown in Figure 4. The detectable time differencewill depend on the measurement rate. With a lower measurement rate,higher delay time, the measurement time resolution decreases and sothe time-delay threshold must be decreased.

The width of the object used to perform the gesture should also betaken into consideration. A thinner object will lead to a higher detectedtime delay between signals, whereas a wider object will lead to a lowerdetected time delay.

A proven blueprint for gesture controlThe implementation described here is both sensitive and robust, andprovides for the design of a reliable gesture-control system with the useof components from Vishay that are readily available from FutureElectronics.

The Vishay GestureSensor Board is anadd-on board to theVCNL4000 Demo Kit,available from FutureElectronics via my-boardclub.com.

a new reference design using

D E S I G N N O T E

Fig. 4: Successfully detected left and right swipes, as shown in the Vishay gesture-control demo software



Development of gesture controlThe VCNL4020 Gesture Control Sensor Board is the idealtool to quickly prove a design concept and to start initialhardware and software gesture-control development.Orderable Part Number: VCNL4020 Gesture Control

FREEBOARDS


D E S I G N N O T E

For passive LCD displays in industrial and home automationequipment, capacitive touch sensing is the best way toprovide buttons for user input. It is cheaper, more reliable,and provides a better user experience than an array ofmechanical buttons.

In harsh industrial environments, atouch-sensing display can alsoprovide a sealed user interfacewhich eliminates the risk ofproblems with mechanical wear orcorrosive fluids.

Such a system can beimplemented successfully with acombination of touch technologyand an LCD driver from NXPSemiconductors, a solution that willcompensate for any interferencebetween the LCD signal and thecapacitive sensor measurement.

In addition, moisture on the user’s finger or on the surface of the displayis another common source of interference in measurements ofcapacitance. Such interference may be eliminated by continuous auto-calibration and ultra-fast recovery, both features of NXP’s capacitivetouch-sensing devices.

Choice of touch display architecturesNXP’s technology supports three different touch-display architectures: • Add-on touch, in which the touch layer is added on top of the

conventional display, as shown in Figure 1a• On-cell touch, in which the touch layer is positioned between the LCD

glass and the polariser, as shown in Figure 1b• In-cell touch, in which the touch layer is combined with the LCD

electrodes into a single layer, as shown in Figure 1c

The demonstration systems shown were developed by NXP to helpdesigners evaluate the performance of devices such as the PCF8885 8-channel capacitive sensor in touch-display applications.

Add-on touch displayAny display can be upgraded with a capacitive touch panel made ofglass or foil to replace mechanical buttons. This implementation providesa quick solution for both active and passive displays. For standarddisplay sizes, off-the-shelf touch panels can offer a dense touch matrix.

The disadvantage is that add-on touch panels might be as expensiveas the display itself.

On-cell touch displayIn this implementation, the touch pads are sandwiched between the toppolariser and the display glass. The whole top side of the display glass isavailable for touch pads and routing. Sensor channels can bemultiplexed in systems that need to support advanced functions.

Although this approach is cheaper than the add-on touch glass, it stillrequires an additional step in the display production process, and thereis necessarily a cost arising from this step.

In-cell touch displayIn this implementation, the touch pads are on the same layer as thedisplay segments. The touch pads surround the segment electrodes;both pads and segments are made of the same Indium Tin Oxide (ITO)layer, using the same process step.This means that the touchfunctionality is integrated into thedisplay at no additional cost.

On the other hand, since thetouch and segment pattern are onthe same layer, there will be someconstraints on routing, and so thenumber of touch keys will be limited.

Better touch-sensing componentsNXP offers a wide variety of LCD drivers and capacitive touch sensorsfor touch displays. Uniquely, NXP’s capacitive touch sensors provide apatented auto-calibration mechanism that eliminates interference betweenthe display and the touch-sensing system. It also gives the systemextremely high immunity against changes in temperature and humidity.

The demonstration systems shown in the Figure 1 diagrams wereimplemented using the PCF8885. For applications requiring only one ortwo touch keys, the PCF8883/PCA8886 single-/dual-channel touchsensors may be used.

In addition, the new PCA8538 from NXP is a fully featured Chip-On-Glass (CoG) LCD driver, designed for high-contrast vertical-alignmentLCDs with multiplex rates up to 1:9.

NXP SEMICONDUCTORS


Three different touch display architectures from NXP

Touch-sensing displays: more than one way toachieve design goals

NXP’s LCD driver



Touch-sense for displaysOrderable Part Numbers: OM11052 for the PCA8886OM13501 for the PCA8538

FREEBOARDS

HMI, Touch and DisplaysWhat’s the best way for a user to interact with a machine? Forsome years, Apple, with its innovative touch screens, was thecompany with all the smart answers. As this Application Spotlight shows, however, the industrial

electronics world is now experimenting with new Human-MachineInterface (HMI) implementations that go beyondthe tried-and-tested finger input on a displayscreen. Gesture control is particularly interesting to

industry because it can be performed by a userwearing gloves, and in harsh or wetenvironments, without touching the display. Onequestion for equipment OEMs to answer,however, is over safety: how reliably will thesystem recognise the user’s gesture? On page 20 is a component from Melexis that

will help to allay fears over gesture control.Providing a bridge between discrete LEDs andphotodiodes on one side and a microcontroller on the other, thegesture-controller IC includes algorithms that filter sunlight andother sources of ambient light to ensure that the system onlymeasures light reflected back from the user’s hand. For simplecontrol gestures, such as left/right or up/down swipes, this is avalid technology today.

A different implementation, by Vishay, is described in the DesignNote on pages 16 and 17. Displays that can orient themselves are also moving beyond

consumer electronics into other market sectors. Here, MEMStechnology has proved to be the best for the gyroscopes and

accelerometers that sophisticated HMIs require,since it enables the production of small androbust devices. The latest gyroscope fromSTMicroelectronics, the L3GD20H featured onpage 22, is even more accurate, precise andquick than its predecessor.Application-oriented components such as these

are important to designers of HMIs, but perhapsthe strongest reason for the growing sophisticationof graphical interfaces is the availability of highprocessing power at extraordinarily low prices.ARM®, with its Cortex™-M series of processorcores, has enabled microcontroller manufacturers

to introduce fast 32-bit devices at price levels that would onlyhave bought an 8-bit MCU three years ago. A prime example is the new STM32F4x9 series from ST,

featured below, which offers stunning media and graphicscapabilities, while retaining sufficient processing horsepower tosupport many other system functions as well.


Development of rich graphical interfacesThe STM32439I-EVAL evaluation board is a completedemonstration and development platform for theSTM32F439 microcontroller. It includes a 5.7” LCD withcapacitive touchscreen, an audio DAC and headset jack,digital microphone, camera module and joystick.Orderable Part Number: STM32F429IDISCO

FREEBOARDS


H M I , T O U C H A N D D I S P L A Y S

STMICROELECTRONICS

ARM Cortex-M4 MCUs provide forrich graphical interfaces

The ARM Cortex-M4core with floatingpoint unit in theSTM32F4x9MCUs runs at180MHz, providing225DMIPS ofprocessor throughput,and is supplemented byST’s Adaptive Real Time(ART) Accelerator, whichperforms instantaneousexecution of instructions from Flash memory.

This high-speed capability is particularlyuseful in media-rich user interfaces. Forinstance, the devices’ new LCD-TFT controllerinterface with dual-layer support takesadvantage of the Chrom-ART graphicsaccelerator to perform content creation twiceas fast as the core could on its own.

As well as raw data copy, additional functionssupported by the Chrom-ART Acceleratorinclude image format conversion and imageblending. This accelerator not only improvesgraphics performance, it also saves theprocessing bandwidth of the main ARM corefor other, non-graphics functions.

Despite the high raw performance of the 32-bit STM32F4x9 MCUs, power consumptionis moderate. In Run mode, and executing from

Flash memory, the current requirement canbe as low as 260µA/MHz. In the power-

saving Stop mode, the devices typicallydraw just 100µA, which is three

times lower than some otherSTM32F4 parts. Audio is well provided for as wellas video in the STM32F4x9: theparts feature a dedicated audio

PLL, two full-duplex I²S channelsand a new serial audio interface.

A flexible memory controller in theMCUs supports Compact Flash, SRAM,

PSRAM, NOR, NAND and SDRAM memories. The STM32F439 also integrates a

cryptographic/hash processor providinghardware acceleration for AES-128, -192 and-256 cryptography, and supports the GCMand CCM, Triple DES, and hash (MD5, SHA-1,and now SHA-2) security protocols.

The STM32F429 and STM32F439 fromSTMicroelectronics are ARM® Cortex™-M4microcontrollers which provide amplesupport for sophisticated userinterfaces in medical, industrialand consumerapplications.

APPLICATIONS• Motor drives • Medical equipment• PLCs• Inverters• Circuit breakers• Printers and scanners• Alarm systems and video security systems• Home audio appliances

FEATURES• Four USARTs and four UARTs running at

up to 11.25Mbits/s• Six SPI channels running at up to 45Mbits/s• Three I²C interfaces with an optional digital

filter capability• Two CAN interfaces• Two 12-bit DACs• Three 12-bit ADCs each operating at

2.4Msamples/s



IR’s IR3823: page 5PARTNERWORKING

A P P L I C A T I O N S P O T L I G H T

i.MX 6SoloLite evaluation kit supports newe-reader designs

FREESCALE

ARM processor reduces e-reader cost withintegrated display controller

EPD panels are now a familiar sight due to thesuccess of Amazon’s Kindle and similardevices. Most e-readers on the market todayuse the E-Ink EPD controller as a discrete device.In the i.MX 6SoloLite, however, a hardwareimplementation of this EPD controller isintegrated into the processor. By integrating thecontroller, OEMs can eliminate the cost of boththe discrete device and its associated memory.Freescale’s E-Ink EPD controller takesadvantage of the enhanced pixel processingpipeline unit inside the i.MX 6SoloLiteprocessor for post-rendering activities such ascolour space conversion, and combine androtate functions.Other features of the EPD controller include: • Support for EPD TFT resolutions of 2332 x

1650 at a 106Hz refresh rate or 4096 x 4096at 20Hz

• Up to 5-bits/pixel greyscale representation• Support for colour EPDs from E-Ink

Freescale has introduced the i.MX 6SoloLite, a 1GHz ARM® Cortex™-A9-based system-on-chip which providesintegrated E-Ink® and Sipix® displaycontrollers for the next generation ofElectronic Paper Display (EPD) panels.

MELEXIS

Gesture-sensing controller IC provides immunity to ambientlight interference

• Up to 64 concurrent updates with partialupdate support

• Automatic collision handling when used inconjunction with the i.MX driver

Features such as these enable thedevelopment of EPD-based devices offeringfaster updates, crisper response times and abetter user experience.

The low-power i.MX 6 SoloLite processoralso provides multiple processing units, whichspeed-up performance: in addition to the ARMCortex-A9 core, there is a vector floating pointunit, 2D graphics accelerator and ARMNEON™ SIMD media accelerator. 2Dacceleration is provided by an OpenVG™ 1.1hardware accelerator which renders text, linesand images for applications such as scrollingtext and maps as well as a 2D compositionengine which provides bit-bliting acceleration.

The evaluation kit for the i.MX 6SoloLiteprovides a Linux or Android platform for

developing anEPD withtouch-screencontrol and anLCD or HDMIdisplay, aswell as audioplayback andconnectivityvia WLAN, a3G modem orBluetooth.

Melexis has introduced two opticalgesture- and proximity-sensingcontrollers which enable automotivemanufacturers to implement a moreintuitive way for drivers andpassengers to control multimedia andother functions inside a vehicle.

The MLX75030 and MLX75031 featureMelexis’ proprietaryintegrated ambient lightsuppression, a smallfootprint and a flexiblesystem architecture. Whenpaired with one or twodiscrete LEDs andphotodiodes, the devicestake measurement samplesto detect light reflectedfrom the LEDs back to thelight sensors by the

passage of a user’s hand over a displayscreen. The digital output from the MLX75030and MLX75031 ICs contains the measuredactive light and ambient light levels. Whenprocessed by a microcontroller, thesemeasurements can be recognised as gesturessuch as swipe, zoom or scroll.

The MLX75030/1 has two separate activelight channels. Both channels worksynchronously and independently. The ICautomatically subtracts the DC variation of thebackground light or sunlight, so suppressingthe effect of ambient light on themeasurement results.

At a system level, theMLX75030 and MLX75031should be complementedby one or two LEDs andphotodiodes, of any type,for active light detection.The MLX75030 enablesexternal switches to drivethe LEDs at up to 1A peakcurrent, while theMLX75031 integrates theLED drivers.

APPLICATIONS• Automotive dashboard

FEATURES• Up to 700Hz measurement rate per

channel• AEC-Q100 qualification• 4mm x 4mm 24-pin QFN package



APPLICATIONS• E-readers• Portable consumer electronics

FEATURES• Three USB2.0 interfaces• 10/100 Ethernet interface• 1366x786 display support• Security features including tamper

detection and random number generator




Electronic Paper Display developmentEvaluation kit includes a board containing an i.MX6SoloLite processor, MMPF0100 power management IC,an E-Ink EPD board featuring an MMA8450QT three-axisaccelerometer, an LCD daughter card, HDMI daughtercard and a Wolfson Microelectronics WM8962 audio codec.Orderable Part Number: MCIMX6SLEVK

FREEBOARDS

Ambient light can be detected with one or twoindependent photodiodes. Any number ofdetection channels can be added throughmultiplexing. Internal control logic, configurableuser registers and SPI communication enablethe developer to make operation of the systemeasily programmable.

Additional circuit functions such as awatchdog timer, on-board temperature sensorand self-diagnostics are built-in, providing for arobust product design.

F R E E D E V E L O P M E N T K I T S AT W WW . M Y- B O A R D C L U B . C O M

The i.MX 6SoloLite is part of a wave of newi.MX processor products in the comingmonths. Other products in the pipeline includea new generation of i.MX7 processors basedon 28nm technology, aimed at cost-sensitiveapplications, and a new i.MX8 portfolio formultimedia-intensive embedded applications.

20



VITA image sensors from ON Semiconductor: frame rates up to160 frames/s

ON SEMICONDUCTOR

Footprint-compatible image sensorsprovide design flexibility

VISHAY

Miniature IR emitters and detector ideal for compacttouch panels

Vishay Intertechnology has introducedtwo high-speed 850nm and 940nminfra-red emitters that combine high-intensity output with a wide-angledbeam. They are complemented by anew package-matched high-speedsilicon PIN photodiode.

The VITA 12MP and VITA 16MP are CMOSimage sensors consisting of 4,096 x 3,072pixels and 4,096 x 4,096 pixels respectively.An on-chip programmable state machinecontrols the sensor array. This provides forvery flexible operation: for instance, thedevices’ 32 regions-of-interest can bereconfigured from one frame to the next.

The high-sensitivity pixels, which are just4.5µm x 4.5µm in size, have global and rollingshutter capability. The sensors enable thepipelining of integration and read-out in bothtriggered and untriggered global shutter mode.The rolling shutter mode supports correlateddouble sampling, which reduces temporalnoise by around 3dB.

The image data interface consists of up to32 low-voltage differential signalling channels;each channel runs at 680Mbits/s. A separate

synchronisation and clock channel, whichcontains the payload information, is providedto facilitate image reconstruction at theReceive end.

A second pipeline stage provides a maximumframe rate of 160 frames/s for the VITA 12MPand 125 frames/s for the VITA 16MP.

ON Semiconductor has introducedtwo new image sensors for industrialapplications providing resolution of12Mpixels and 16Mpixels.

which means that it is well matched to boththe VSMG10850 and VSMB10940 emitters.

It includes a filter to block daylight whichreduces the risk of false detections. Thedevice offers a reverse light current of 3µA anda low dark current of 1nA. Its typical outputcurrent is 3µA under an irradiance of1mW/cm2 at 5V reverse voltage and 950nmwavelength.

The VSMG10850 and VSMB10940 emittersand the VEMD10940F detector all feature awide ±75° angle of half-intensity. Each ishoused in a clear, untinted side-view packagemeasuring 3mm by 2mm, and 1mm high.

The emitters provide a high typical radiantintensity of 1mW/sr at 20mA, which is asmuch as one-third higher than comparabledevices on the market today. They also offer afast switching time of 15ns. The 940nmVSMB10940, based on GaAIAs multi-quantum

well technology, has alow typical forwardvoltage of 1.3V, while the850nm VSMG10850,with its GaAIAs double-hetero technology,features a forwardvoltage of 1.4V; bothare therefore well suitedto use in battery-powered applications.

The VEMD10940Fphotodiode offers highradiant sensitivity towavelengths of lightranging from 780nm to1,050nm with peaksensitivity at 920nm,

APPLICATIONS• High-speed machine vision• Motion monitoring• Medical imaging• Intelligent traffic systems• Barcode scanning• Multi-function printers and scanners

FEATURES• 10-bit ADC• Fixed-pattern noise correction• Serial peripheral interface• 3.5W power dissipation at 2Gpixels/s



APPLICATIONS• Infra-red touch panels

FEATURESVEMD10940F:

• 0.23mm2 photo-sensitive area• 20ns rise and fall times



The image sensors, housed in the same ceramic355-pin µPGA package, are pin-compatiblewith each other and also with the older VITA25MP. Both monochrome and colour versionsof the new VITA 12MP and VITA 16MP areavailable, with the part numbersNOIV1SN016KA-GDI for the VITA 16MP andNOIV1SN012KA-GDI for the VITA 12MP.

A P P L I C A T I O N S P O T L I G H T

22 F R E E D E V E L O P M E N T K I T S AT W WW . M Y- B O A R D C L U B . C O M

The L3GD20H gyroscope is ideal for new applications such asaugmented reality

Hall-effect switches from Diodes: high temperature stability

DIODES INCORPORATED

Versatile Hall-effect switches save power and space

These families of micropowerdevices comprise the medium-sensitivity AH1895 and high-sensitivity AH1893, AH1897and AH1812 omnipolarswitches, the programmablehigh-sensitivity AH1894omnipolar switch, and theAH3360 high-sensitivityunipolar, south-pole, switch.

All devices except theAH1812 include an internalpush-pull output structure,which helps to reduce externalcomponent count and simplifythe PCB layout. The AH1812provides an open-drain output

The AH18xx series and AH3360 areHall-effect switches from DiodesIncorporated, offering designers aselection of sensitivity options,configurations and package styles,making them suitable for manyproximity-detection and position-sensing applications.

STMICROELECTRONICS

Three-axis digital gyroscope achieveshigher performance

for added flexibility in system pull-up.The programmable AH1894 enables

designers to select between one of twomagnetic sensitivity ranges using a band-select pin, allowing the one device toaccommodate different strengths of magnetslocated at different distances from the Hallsensor. Band selection can either be hard-wired or programmed electronically using anexternal logic source such as a microcontroller.

The chopper-stabilised design of thesehighly integrated devices gives them improved

temperature stability, immunity to stress effectsand minimal drift across their operatingtemperature range of -40ºC to 85ºC. In addition,built-in 8kV ESD protection ensures theswitches are robust, and simplifies handlingduring manufacture.

STMicroelectronics has introduced itssmallest, lowest-power and highest-performance chip-scale gyroscope foradvanced motion-sensing applications.

Supply current is a typical 5mA in normaloperating mode.

The L3GD20H is also ready to operate inonly one-fifth of the time after turn-on,enabling the end-user application to deliver abetter overall experience. The gyroscope’soutput has 60% lower noise than itspredecessor, which can help to simplifyhardware and software design and speed-upcommunication with the host system, leadingto faster application performance.

The new gyroscope retains a similar registerstructure to the L3GD20, making it easy fordesigners to re-use existing software code.Designers may also use ST’s Sensor Fusiondevelopment environment when integrating theL3GD20H into a system.

APPLICATIONS• Wearable electronics • Power tools• Prosthetics • Goods tracking• Gesture recognition • Robotics

FEATURES• Three selectable full-scale ranges:

±245/500/2,000 degrees/s• I2C/SPI two-wire digital interface• Integrated low- and high-pass filters with

user-selectable bandwidth• Power-down and Sleep modes• Self-test capability• Embedded FIFO and temperature sensor



APPLICATIONS• Contactless switches• Cover or display switches• Automatic wake-up controls• Level switches• Docking-station detection

FEATURES• Package options: 1.2mm x 1.6mm x

0.5mm X1-DFN1216-4, 1.6mm x 1.6mmx 0.5mm leaded SOT553

• Supply-voltage range: 1.6V to 3.6V• 4.3µA average supply current @ 1.8V• Power-saving hibernating clocking system• High immunity to RF noise




Advanced motion-sensing applicationsThe STEVAL-MKI109V2 is a motherboard which providesusers with a complete platform for the evaluation ofSTMicroelectronics’ MEMS products. The board featuresa DIL24 socket to mount all available adapters for bothdigital and analogue MEMS devices, including theL3GD20H gyroscope.Orderable Part Number: STEVAL-MKI109V2

FREEBOARDS

The L3GD20H gyroscope, made using ST’sproven MEMS fabrication process, is theindustry’s smallest at only 3mm x 3mm and1mm high. Despite occupying little over halfthe volume of its predecessor, the L3GD20,the new device offers better resolution, lowernoise, higher accuracy, superior stability andfaster response time. Non-linearity is rated at atypical 0.2% of full-scale range, and sensitivityat as little as 0.00875 degrees/s/digit.

The small dimensions of this digitalgyroscope are expected to lead to theimplementation of new applications in thefields of augmented reality, gesture recognitionand pointing, sports training aids and medicaltherapies. ST itself has developed a prototypesmart suit that demonstrates inertial body-motion reconstruction.

The L3GD20H is ideal for use in battery-powered systems, drawing 25% lower currentthan the previous generation of devices.

Based on the STM32F429ZIT6 microcontroller, it also includes an ST-LINK/V2 embedded debug tool.

Demonstration software is pre-loaded in the board’s Flash memory.It displays icons on the board’s display screen for various applications:a clock/calendar, a game, a video player and an image browser, aswell as performance and system information.

Future Electronics’ Board Club: supporting innovative electronics designEurope’s electronics industry thrives on the application of innovation and creativity, and an essentialinnovator’s tool in design projects is the development board. The Board Club website is a Future Electronicsresource for users of development boards. Here, and only here, Board Club members can gain access toexclusive free development boards and development board offers.If you would like to register for membership, please visit: www.my-boardclub.com/register.php

To apply for these free boards go to: www.my-boardclub.com/ftmTerms and conditions apply. Visit www.my-boardclub.com/about_us for details

B O A R D O F T H E M O N T H

23

The STM32F429 Discovery Kit helps designers to evaluatethe high-performance microcontrollers of the 32-bitSTM32F4 series and to develop applications for themeasily. It offers everything required for beginners andexperienced users to get started quickly.

Evaluation of 32-bit STM32F4 series MCUsOffers everything required for beginners and experiencedusers to get started quickly.Orderable Part Number: STM32F429IDISCO

FREEBOARDS



FREESCALE

Hardware module enables rapid development of touch-sensinginterfaces in Kinetis MCUs

The ARM®-based Kinetis MCUsinclude a Touch-Sensing Input(TSI) module, a hardwareblock which providescapacitive touch-sensingdetection. The module isnotable for its high sensitivity,robustness and excellent low-power performance.

The module can support upto 16 electrodes using a singlepin per electrode, with no need for externalsupporting components. The module caneasily detect touch events, with resolution ofcapacitance measurement as precise as0.02fF. This gives designers the freedom touse thick glass, plastic or flexi-glass overlays.

The module also supports variable electrodesampling periods, giving it excellent

performance in electrically noisy environments.The Kinetis TSI is well suited to low-powersystems, since it can operate in all the MCU’slow-power modes, waking the CPU only in theevent of electrode capacitance variationsindicating a touch, and requiring very littlecontinuous current.

In the Kinetis series of MCUs, the hardwarecapability provided by the TSImodule is complemented bythe support of Freescale’sTouch-Sensing Software (TSS)suite. This software librarygives designers a fully testedset of touch-sensing softwaremodules which providevaluable features such aswater tolerance and noisedetection. A touch-detectionalgorithm eliminates the risk offalse touches attributable toelectrical noise.

The suite also provides a buffer structure thatenables any arrangement of electrodes, as wellas a PC-based GUI tool for electrodecharacterisation that includes demonstrationsand application examples.

The Touch-Sensing Software (TSS) is fullyintegrated within the MQX™ RTOS, andFreescale’s Processor Expert development tool.

APPLICATIONS• Touch-sensing buttons• Touch-sensing rotary controls• Touch-sensing sliders

FEATURES• Detects electrode short-circuits and

sample-time misconfigurations • Periodic electrode scan mode requires no

additional MCU peripheral components




Development of touch-sensing interfacesThe TWR-SENSOR-PAK is a Tower System module thatfeatures TSS software support, a 12-electrode touch padand various sensor plug-ins. It can support plug-inmodules for any Kinetis MCU with a TSI module.Orderable Part Number: TWR-SENSOR-PAK

FREEBOARDS

FEATURES

• 2.4" QVGA TFT LCD• 64Mbits SDRAM• L3GD20 MEMS digital gyroscope• USB OTG port with micro-AB connector



Sample the STM32F4 MCUs withST’s new Discovery kit!

System developers can now benefitfrom hardware and software supportfor touch-sensing interfaces when theyuse any Freescale Kinetis K or L seriesmicrocontrollers.

Touch-sensing module supports up to 16electrodes

F U T U R E E L E C T R O N I C S T E C H F E S T 2 0 1 3


CUI INC

DC switching regulators in SIP package boost efficiency,noise performance and power density

The P7805-S series of 500mA non-isolated DC switching regulatorsfrom CUI Inc., are second-generationdevices that implement severalenhancements including greaterpower density, increased efficiency,and reduced ripple and noise.

The series deliversefficiencies over 96%,and maintains highefficiency across the fullinput range with up to95% efficiency at a highline input of 32V DC.Moreover, ripple andnoise is reduced to 20-30mVp-p across the inputrange. This can eliminatethe need for output LCfilters, further reducingboard space and bill-of-materials costs.

The P7805-S has been designed as ahigh-performance, drop-in alternative toLM78XX and LM79XX linear regulators,eliminating the need for a heatsink. Toaddress LM79XX applications, CUI hasdesigned all units in the series with theadded capability of supporting a positive tonegative voltage conversion, increasing theseries’ flexibility. The devices are targetedat portable and battery-poweredequipment, and embedded designs whereboard space is at a premium and energyefficiency is a concern.

The units are housed in a compact 3-pinTO-220 compatible SIP package measuring11.60mm x 7.50mm x 10.20mm. TheP7805-S series has a wide input-voltagerange from 4.75V to 32V DC, and providesoutput-voltage options of 1.5V, 1.8V, 2.5V,3.3V, 5V, 6.5V, 9V, 12V, and 15V.

TechFest 2013TechFest 2013 is where Future’s product teams from acrossthe EMEA region gather to learn about the latest advancescoming to the market from our supplier partners.It all takes place at Future headquarters in Egham, UK,

from November 11-15; five days packed with more than120 hands-on training hoursspanning five technologystreams, featuring the SupplierFair that showcases newproducts and demonstrations,and providing opportunities fordialogue and teambuilding.The objective: to ensure thatyour Future technical contactshave the most currentknowledge and the clearestinsights to provide the support you need for your projects.This TechFest newsletter presents a taste of some of the

exciting new developments our suppliers are keen to sharewith us. We are sharing them with you, so that you can seewhat’s coming. Take this opportunity to identify theinnovations of value to you, and make an early start

planning how to take advantage of them in your next-generation product designs.While our engineers are digesting the latest in

processors, power chips and modules, wireless solutions,system-on-chip devices, connectors, indicators, drivers,

sensors, power LEDs and morefrom the world’s leadingmanufacturers, you can findout what they’re finding outabout. The next 16 pages arefilled with good things in smallpackages. And while somegood things come to thosewho wait, you can be sure thatthese will begin reaching youeven before we finish resetting

the conference rooms at Future House. Our engineers willbe out in the field, fresh from TechFest, and ready to helpyou to get the best from them right away.To maximise your first-mover advantage, choose the best

products for your next application from the following pagesand contact your Future representative to arrange a visit.

my-ftm.com/131137

Model Number Input Voltage Power OutputVoltage

OutputCurrent

P7805-Q12-S1R5-S 4.75V to 28V 0.75W 1.5V 0.5A

P7805-Q12-S1R8-S 4.75V to 28V 0.9W 1.8V 0.5A

P7805-Q12-S2-S 4.75V to 28V 1.25W 2.5V 0.5A

P7805-Q24-S3-S 4.75V to 28V 1.65W 3.3V 0.5A

P7805-Q24-S5-S 6.5V to 32V 2.5W 5V 0.5A

P7805-Q24-S6-S 8 V to 32V 3.25W 6.5V 0.5A

P7805-Q24-S9-S 11V to 32V 4.5W 9V 0.5A

P7805-Q24-S12-S 15V to 32V 6W 12V 0.5A

P7805-Q24-S15-S 18 V to 32V 7.5W 15V 0.5A



SL POWER

Compact and highly reliable 60Wpower supplies cover 12V to 48Voutput range

The SL Power ElectronicsGB60S series comprises four60W power supplies, offeringoutputs of 12V, 15V, 24V or48V within a 51mm x 76mm x25.4mm high outline. Thepower supplies are suitable for1U applications, allowing easy

integration into industrial andIT equipment, and operate atup to 85% typical efficiency at

full load.Comprehensiveprotection is provided,including short-circuit,over-temperature andoverload protection.

Compliant withapplicable safety andEMC standards, theGB60S series are CEmarked meeting thelow-voltage directive,and comply withCSA/EN/IEC/EN60950-1second edition inaccordance with ITEstandards.

All models have a universal90V-264V AC input, andprovide the option of a power-on LED.

my-ftm.com/131138

SL POWER

AC-input LED drivers arerugged, efficient performers

The SL Power ElectronicsLE150S-VN family of LEDdrivers has a universal ACinput-voltage range of 90V-265V and provide a constantvoltage output of 24V or 48V.Suitable for applications up to150W, the driversfeature activepower-factorcorrection andalso integrateover-current,over-voltage andover-temperatureprotection.

With IP67sealing and built-in lightningprotection, thedrivers can beused in a wide variety ofenvironments, including indooror outdoor use. The drivers areCE marked and meet all

applicable safety approvals,including UL8750, UL935 andEN61347.

Two models are available,offering a choice of 24V or 48Voutput voltage. Both modelsoperate at up to 93% efficiencyat full load and 220V AC inputvoltage, and maintain line/loadregulation of ±1% and ±2%respectively.

my-ftm.com/131140

SL POWER

Compact, efficient powersupplies save space, helpsimplify thermal design

The CINT1200 single-outputAC/DC power supply from SLPower Electronics provides up to200W in a compact outline ofapproximately 76mm x 127mmx 33mm high, and achievestypical efficiency of up to 90%.

The CINT1200 seriescomprises eight models offering

output voltages of 12V, 15V,18V, 24V, 28V, 32V, 36V or48V. These units are ideal foruse in industrial and ITequipment. Their low heightallows use in 1U applications.Moreover, they have a smallheat footprint allowing systemdesigners to simplify thermalmanagement.

Over-temperature, overload,short-circuit and over-voltageprotection are built-in. Allmodels are CE marked inaccordance with the low-voltage directive, approved toCSA/EN/IEC/EN60950-1second edition in accordancewith ITE standards, andcomply with Class B limits onconducted EMI.

my-ftm.com/131139

XMOS

Modular starter kit speeds updevelopment of superior USBapplications

The xCORE-USB sliceKIT™ fromXMOS provides a fast start toUSB-application developmentleveraging the deterministic,low-latency performance ofXMOS xCORE-USB multicoremicrocontrollers.

The core board contains a16-core High Speed XS1-U16-128 microcontroller withpower, clocking, debug andexpansion slots for two digitalI/O sliceCARDs and oneanalogue sliceCARD.

This gives developers theflexibility to tailor a solutionwith the exact mix of interfacesand digital processes neededfor a superior USB application.

A USB slice card with USB A-type and B-type connectors,a mixed-signal sliceCARD andan xTAG-2 debug adaptor areincluded in the kit. Further I/OsliceCARDs are availableseparately, including Ethernet,UART, ADC, LCD-graphics anddigital-audio cards, providingfurther help to speed-updevelopment, prototyping anddebugging.

The kit is used in conjunctionwith the xTIMEcomposer™

development suite andxSOFTip™ software IP blocks,enabling a unified and familiardesign flow based on C/C++.

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AVAGO TECHNOLOGIES

AVAGO TECHNOLOGIES

Dual-output optocouplersimplifies half-bridgeisolation

Accurate, stable voltagesensing in high-noiseenvironments

Versatile Linkinnovation boostsdata rate and range

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AVAGO TECHNOLOGIES

The Avago Technologies ACPL-339JMOSFET gate-drive optocoupler is adual-output device capable ofisolating the entire upper or lowerarm of a half-bridge IGBT orMOSFET inverter. Unlike competingdevices it can be used with buffersof various current ratings, whichallows engineers to deploy acommon driver design in variouspower-conversion or motor-controlapplications without redesigningcritical circuit-isolation and short-circuit protection features.

The ACPL-339J also integratesdesaturation detection for IGBTprotection. An isolated half-bridgeinverter-driver development boardsupporting the ACPL-339J isavailable, as an aid to design-in.

AVAGO TECHNOLOGIES

Avago Technologies’ ACPL-C87A,ACPL-C87B and ACPL-C870optically-isolated voltage sensorscombine superior optical-couplingtechnology with sigma-deltamodulation, chopper-stabilisedamplifiers, and differential outputsto deliver outstanding isolation-modenoise rejection, low offset, high gainaccuracy and stability for isolatedvoltage sensing in power converters.

The devices have 2V input rangeand 1GΩ input impedance, whichhelps minimise power dissipation,and are ideal for applications suchas motor drives and renewable-energy systems. With common-mode transient immunity of15kV/µs, they allow accuratemonitoring of DC-link voltage inhigh-noise environments.

The ACPL-C87A has ±1% gaintolerance and the ACPL-C870 has±3% gain tolerance for use ingeneral applications. The ACPL-C87Bprovides ±0.5% gain tolerance forapplications requiring extremelyaccurate voltage measurements,such as high-performance servodrives and photovoltaic inverters.

AVAGO TECHNOLOGIES

The Avago Technologies AFBR-1624Z/1629Z and AFBR-2624Z/2529Zare Versatile Link fibre-optictransmitters and receivers that aresuitable for data communicationlinks such as Industrial automationor RS-232/RS-485 extension, aswell as applications such as high-voltage isolation and elimination ofground loops.

The transmitters and receiversare optimised for use with 1mmPlastic Optical Fibre (POF) or200μm Plastic-Clad Silica (PCS).They support data rates from DC to50MBaud at distances up to 50mwith 1mm POF, or up to 200m at10MBaud and 120m at 50MBaudwith 200μm PCS, respectively.

AVAGO TECHNOLOGIES

World’s smallest reflectiveencoders aid mini motor-control designFaster optocouplers

support higherswitching frequencies Miniature Link

receivers reduce costs,increase performance

Fast Ethernet transceiverdelivers full speed overPlastic Optical Fibre

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The AEDR-850x is the world’ssmallest 3-channel, digital-outputoptical reflective encoder. This3.95mm x 3.4mm surface-mountdevice is ideal for use in miniaturemotors, optometric equipment,portable medical devices such asinsulin pumps and piezomotorfeedback applications, as well asequipment such as printers, scanners,copiers, card readers and projectors.

The AEDR-850x supports high-resolution encoding such as 294Lines Per Inch (LPI), and is capableof operation at up to 220kHz with4-times interpolation allowing usein high-speed applications. TheTTL-compatible output provides Aand B quadrature channels fordirection sensing while the thirdchannel provides a digital Indexoutput without any need for anadditional track on the codewheeland saving the need for a separatecomponent to generate the Indexsignal.

AVAGO TECHNOLOGIES

The ACPL-P/W345 and ACPL-P/W346high-speed gate-drive optocouplersfrom Avago Technologies areoptimised for driving high-powerMOSFETs and silicon-carbide (SiC)MOSFETs. Integrating insulation,protection and gate-drivefunctionality, they can beconnected directly to the MOSFETgate without requiring a separatedriver IC. For MOSFETs with higherratings, the optocoupler can beused to control a power stagedriving the MOSFET gate.

These devices are twice as fastas the previous generation, withpropagation delay of less than120ns. This makes them ideal forapplications that use highswitching frequencies, such asmotor controllers, inverters, andSwitching Power Supplies (SPS).

AVAGO TECHNOLOGIES

Avago Technologies’ AFBR-24x9Zseries 50MBaud Miniature Linkfibre-optic receivers provide acost-effective, high-performancesolution for information systemsand industrial applications withlink distances of up to 3km. Thereceivers are directly compatiblewith popular industry-standardconnectors such as ST® and SMAtypes, and are optimised for usewith 62.5/125μm multi-mode fibre.

AFBR-24x9Z series receiverscontain a PIN diode and digitisingIC with CMOS/TTL output logic,and perform optimally with AvagoHFBR-14xxZ (820nm LED)transmitters.

The Avago Technologies AFBR-5972Z Fast Ethernet transceiverallows reliable data transmissionat up to 100Mbit/s over PlasticOptical Fibre (POF). It features acompact design using an AvagoVersatile Link duplex connectorsimilar in size to an electrical RJ-45socket, which helps reduce boardfootprint and is compatible withexisting simplex Versatile Linkconnectors. In addition to thesmaller size, the transceiver is morecost-efficient than comparablestandard PROFINET industrialEthernet connectors.

The AFBR-5972Z is suitable fornetworking in harsh environmentssuch as factory automation, or forpower generation and distribution.

Higher-resolutionencoders deliver drop-inperformance upgrade

Avago Technologies’ HEDR-5xxxseries optical encoders are high-resolution replacements for thelow-cost HEDS-5xxx series. Theyprovide resolution from 1200CPR(cycles per revolution) up to3600CPR and are designed foreasy assembly. The HEDR-5xxxbase-plate is compatible with thelegacy HEDS-5xxx series, whichsimplifies upgrading to higher CPRperformance.

Each encoder contains acodewheel, LED source, detector andintegrated circuitry. Theyaccommodate shaftdiameters from2mm to 8mm andcan operate inambienttemperaturesof up to100°C.

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FREESCALE

Kinetis MCUs and enablementecosystem ensure embedded success

Peripheral-integration optionsinclude precision analoguefunctions, communication andconnectivity resources, user-interface controls, dedicatedsecurity features, and versatiletimers.

Cortex-M power-savingmodes and CPU-independentlow-power peripherals helpmaximise energy efficiencyand extend battery life.

Enablement solutionsprovide the keys to projectsuccess, and include Towerand Freedom hardware-development platforms,CodeWarrior and ProcessorExpert tools, and MQX™ orMQX Lite RTOS. Free USB,Ethernet, touch-sensing,motor-control, graphics-LCDand metering software stacksand libraries are also available.

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FREESCALE

Multimedia processors extendperformance and integration benchmarks

Developers also choose thei.MX family for advancedcapabilities such as multi-coregraphics, multi-stream video,console-class 3D capability, richconnectivity, and support forFreescale’s Trust ArchitectureTechnology providing robusthardware-based security.Moreover, software and pincompatibility between multipledevices, and the flexibility tochoose from quad-, dual- andsingle-core variants, protectsdevelopers’ investment in thei.MX family.

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FREESCALE

Vybrid controllers empoweradvanced HMI design

Freescale Vybrid VF3xx, VF5xxand VF6xx controllers deliverthe benefits of both the ARM®

Cortex™ A and M cores incomplex systems requiringmulti-application processing,real-time determinism and richhuman-machine interfaces,such as high-efficiency sensor-less motor control, in-vehicleinfotainment, medical orsafety-critical equipment,integrated connectivity orsecure applications.

Single-core and dual-corefamilies are available at core

frequencies from266MHz to 500MHz.Developers can alsotake advantage ofVybrid’s uniqueheterogeneousarchitecture, usingthe applicationsprocessor to run ahigh-level OS suchas Linux while

assigning tasks that needdeterministic latencies to thecontrol processor running anRTOS such as MQX.

Complementing theseflexible resources, Vybridcontrollers also integratededicated hardware such assecure boot and cryptographic-algorithm acceleration,multimedia display peripheralsthat offload pixel processingfrom the cores, and a real-timePWM subsystem for motorcontrol.

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FREESCALE

QorIQ family continuesto scale and innovate

Freescale’s QorIQ familycomprises the industry’sbroadest portfolio of single andmulti-core communicationsprocessors offering multipleperformance, power and costoptions.

Ideal for networking andindustrial-control applications,the QorIQ portfolio givesdesigners the choice of value-performance, mid-performanceor high-performanceconfigurations offering fromone to four cores, two to eightcores or four to 24 coresrespectively. These provide

various processor-frequencyoptions and single or multi-threaded operation, optionalperipherals such as a Gigabit-Ethernet switch, and variouscombinations of powerconsumption and datathroughput.

The latest-generation QorIQLS processors are based on theinnovative Layerscapearchitecture, the industry’s firstsoftware-aware, core-agnosticarchitecture which deliversunprecedented efficiency andscalability for the networks oftomorrow.

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Freescale Kinetis MCUs providea broad choice of hardware-and software-compatibledevices based on advancedARM® Cortex™-M0+ or Cortex-M4processor cores. The Kinetisrange offers developers apowerful combination of easyscalability, extensive featureintegration, high performance,low power consumption and thesupport of a comprehensiveenablement ecosystem.

Scalability is served throughchoices such as 48MHz to150MHz CPU-frequencyoptions, Cortex-M4 DSPresources, 8kbyte to 1MbyteFlash, packages from sub-4mm2 chip-scale packaging to256-pin BGA, dedicatedmedical, metering or wirelessfunctionality, and hardwareand software compatibilitywithin and between families.

Freescale’s i.MX family comprisesultra-versatile applicationsprocessors for multimedia anddisplay applications. Takingadvantage of advancedembedded-CPU architecturesfrom the ARM9 to the ARMCortex-A9, in series rangingfrom the entry-level i.MXS to thehigh-performance i.MX 6, thisfamily delivers multi-corescalability and market-leadingpower, performance andintegration.

Setting new benchmarks forperformance and integration,the i.MX family is the first inthe industry to offer thecombination of a quad Cortex-A9 architecture and 64-bitDDR interface, and also thefirst to integrate a Cortex CPUand Electronic-Paper Display(EPD) controller.


FREESCALE

Advanced sensorportfolio supports user-interface innovation

The magnetometers offerextremely high resolution withlow-power operation, and arecompatible with the Xtrinsic E-Compass Software capableof generating an accurate,corrected magnetic-compassheading for applications suchas gaming devices, portablenavigation devices, smart-phones and tablets.

The family of robust MEMS-based pressure sensors offersvarious digital, integrated,compensated and uncompensatedconfigurations supporting awide variety of pressureranges with multiple packagesand port options. They areideal for appliance, medical,consumer, industrial andautomotive markets.

Touch sensors are supportedby Freescale’s free Touch-SensingSoftware (TSS) library, and 3-axis digital gyroscopes offeringoutstanding temperature stabilityand compatibility with Freescale’sSensor Fusion software completethe Xtrinsic sensing portfolio.

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FREESCALE

Power-management solutions saveenergy, space and design complexity

Freescale has a wide range ofanalogue mixed-signal and powerproducts supporting functionssuch as power management,driven I/O, analogue interfacing,backlighting, networking, anddistributed control for a widevariety of automotive, consumerand industrial applications.

Targeting roles such assystem-level powermanagement, battery and

energy management, systemmanagement, automation,power drivers and poweranalogue switches, engineerscan trust devices such as thePF0100 and PF0200 PMICs torealise advantages such aslonger battery life, smaller formfactor, component-countreduction, design simplification,system-cost savings, andimproved performance.

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FREESCALE

RF-power portfolio is firstchoice in diverse applications

Freescale is one of the industry’stop suppliers of RF-powerdevices. The Airfast familyprovides a full portfolio ofhigh-power LDMOS transistorsaddressing not only the cellularmarket, but also a broad range

of applications in the ISM, radioand TV-broadcast, commercial-aerospace and land mobile-radio markets. The GaAs MMICportfolio completes thisoffering by addressing small-cell network applications.

The range covers output-power ratings from 15dBm to1.25kW, provides advancedpackaging and access toproven multi-stage ICsolutions, industry-benchmarknoise performance, andincludes extra-rugged E-seriesdevices optimised for industrialapplications like CO2 lasers orplasma cutters.

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COOLiRFET high-powerautomotive MOSFETs boostreliability and efficiency

International Rectifier’sautomotive-qualifiedCOOLiRFET™ MOSFETs deliverbenchmark on-state resistancefor heavy-load applicationssuch as Electric Power Steering(EPS) and braking systems incombustion-engine and micro-hybrid vehicles.

The family of 22 high-current,40V N-channel MOSFETsfeature IR’s proven Gen12.7trench technology, and offerlow conduction losses withrobust avalanche performanceresulting in higher efficiency,power density and reliability.

They are available in D2Pak-7P,D2Pak, DPak, TO-262, IPAK andTO-220 packages. The D2Pak-7P AUIRFS8409-7P hasmaximum on-state resistanceas low as 0.75mΩ at 10V gate-source voltage, with a currentrating up to 240A. By takingadvantage of such performance,many applications using thelatest COOLiRFET devices runsignificantly cooler than withstate-of-the-art MOSFETs.

All COOLiRFET MOSFETs areAEC-Q101 qualified, whichrequires that there is no morethan a 20% change inresistance after 1,000temperature cycles of testing.

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INTERNATIONALRECTIFIER

Freescale Xtrinsic sensingsolutions provide a fullportfolio of MEMS and sensorsincluding accelerometers,magnetometers, pressuresensors, touch sensors andgyroscope devices.

The accelerometers areoffered in tiny low-profilepackages, and cover low,medium and high ranges fromunder 20g to 250g. Fastresponse time, low currentconsumption, low voltageoperation and a standby modemake these devices ideal formotion and gesture sensing indevices such as eReaders,personal medical monitors,home appliances, portablenavigation devices, smartphones and tablets.



Next-generation POL regulatorsboost efficiency and reliability

This delivers a 2%increase in peakefficiency compared tocompetitive solutions,resulting in operation at96% efficiency or greater.The constant on-timearchitecture with Pulse-Frequency Modulation(PFM) enhances light-load efficiency.

Further optimisationshelp to improve thermal

performance and systemrobustness. These include theuse of Fairchild's PowerTrench®

MOSFETs with shielded-gatetechnology, which reducesswitch-node ringing and allowsa wider duty cycle, and advancedpackaging technology withlower parasitic inductance andresistance.

Support for the FAN23xxfamily in Fairchild’s PowerSupply WebDesigner online toolaids design and simulation,while the FEBFAN23XX_LVAevaluation board helpsstreamline development.

my-ftm.com/131158MOSFET silicon and packageadvances yield multipleconverter-performance gains

side and top-side cooling,which reduces the junction-to-ambient thermal resistance by75% compared to a standardover-moulded 5mm x 6mmMLP. This enables eachMOSFET to carry higher currentwithout overheating andpermits increased currentdensity by reducing thenumber of devices connectedin parallel. Using a heatsinkwith the Dual Cool packageimproves thermal performanceeven further. Dual Coolpackages also have lowerparasitic resistance andinductance than conventionalwire-bond packages, whichreduces internal energy lossesand heat generation.

The FDMS8320LDC achievesmaximum on-state resistanceas low as 1.1mΩ at 10V gate-drive voltage, and alsointegrates an advanced bodydiode displaying improvedfast-recovery performance.

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Advanced Smart Power Modules enhanceefficiency and EMI performance

motors up to 200W, such asfan motors, dishwasher pumps,and various small industrialmotors.

Precision driving of theMOSFETs, with their low on-state resistance, minimises EMIand maximises switchingefficiency. The integratedUnder-Voltage Lockout (UVLO)and thermal-sensing unitprovide local protection to theSPM device while allowing theattached controller IC tomonitor the module’s thermalperformance in real-time. TheFSB50x60SF modules arehoused in a 29mm x 12mmSPM5Q-023 package, and alsointegrate three bootstrapdiodes saving additionalexternal components.

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Motor-control reference design drivestransition to brushless efficiency

low Total Harmonic Distortion(THD), universal input-voltagerange from 90V-265V AC,selectable PFC, and richprotection for each circuitblock. The reference designalso provides solutions tochallenges such as optimisingthe PCB layout, the current-sampling circuits, and thecurrent-sampling algorithm.

Engineers can quicklyimplement their motor driveand promptly assess theresults by using the RD-401 inconjunction with Fairchild’sMotor-Control DevelopmentSystem (MCDS), whichprovides an integrateddevelopment environment forconfiguring and fine-tuningthe FCM8531 controller.

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FAIRCHILDSEMICONDUCTOR




Fairchild SemiconductorFAN23xx TinyBuck regulators arenext-generation point-of-loaddevices that integrate a constanton-time PWM controller, gatedriver, and high-side and low-side MOSFETs, enabling end-user applications to achievesignificantly higher efficiencyover a very wide load range.

Efficiency is improvedthrough multiple optimisations,such as fine-tuned gate-drivecircuitry featuring optimisedcurrent and dead times foreach specific part number.

The Fairchild SemiconductorFDMS8320LDC 40V N-ChannelMOSFET combines Fairchild’sadvanced Power Trench®

silicon technology and DualCool™ packaging to minimiseon-state resistance, enhanceswitching performance, andimprove junction-to-ambientthermal characteristics,enabling increased efficiency,current density and reliabilityamong DC/DC converters.

The 5mm x 6mm Dual Coolpackage allows both bottom-

The FSB50x60SF(S) Smart PowerModules (SPM™) are the latestdevices to join FairchildSemiconductor’s SPM 5 seriesof 3-phase MOSFET-basedinverters for precise, efficientcontrol of AC Induction Motors(ACIMs) or Brushless-DC (BLDC)motors.

The new SPM 5 seriesmodules integrate sixsuperjunction fast-recovery600V MOSFETs, and threehalf-bridge gate driversfabricated using High-VoltageIC (HVIC) technology. Thedevices provide lowElectromagnetic-Interference(EMI) characteristics withoptimised switching speed.They are ideal for controlling

The latest motor-controlreference design from FairchildSemiconductor, RD-401, helpsaccelerate the transition awayfrom traditional designs basedon AC motors in favour of moreefficient, quieter and reliableBrushless-DC (BLDC) electricmotors.

The reference designcombines key devices from theFairchild portfolio, includingthe FCM8531QY 3-phasePMSM/BLDC controller,FSB50550A Smart-PowerModule (SPM®), FAN6961SYboundary-mode PFC controller,and FSL306LRN Green-modebuck switch. Together thesedevices enable the drive toprovide high power factor with



AMS

Sensor-enabled tags support next-generationwireless data-logging applications

The SL13A is an ISO15693-compliant tag for use withHigh-Frequency Radio-Frequency Identification (HFRFID) readers or Near-FieldCommunications (NFC-V)readers including smartphonesor tablets. By combining asensor interface, NFCcompatibility and support forpassive mode, it enablesdesigners to create new kindsof wireless data-loggingapplications or improve existingdata-logging systems.

The SL900A is an EPC Gen 2Class 3 tag for use with RFIDreaders.

Both the SL13A and SL900Afeature a Serial PeripheralInterface (SPI) port forconnection to a microcontroller.They can operate from 1.2V to3.6V and allow very longbattery life, drawing a typical1.6µA in stand-by mode withthe real-time clock running.

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ON-SYSTEMS

On Systems’ COBRA family ofactive-clamp modules for EMIand surge protection providesultra-compact and high-performance protection fordownstream DC/DC convertersin military vehicle-mounted,mobile or avionic equipment.

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Military-grade surge protectors savespace, boost clamping performance

VICOR

Vicor’s Picor Cool-Power® PI31xxisolated DC/DC converters provideup to 60W of power and 2,250Vinput-to-output isolation in less thanhalf the size of competitiveconverters. With three input rangesto select from these converters areideal for 24V industrial, 28Vaerospace and defence or 48Vcommunication applications.

Cool-Power converters offer complete DC/DCfunctionality within a space-saving 22mm x16.5mm x 6.7mm surface-mount package,and offer industry-leading power density ofup to 400W/in3. At less than 50% of the sizeof a conventional 1/16th brick, Cool-PowerPI31xx converters provide exceptionalperformance in an IC package makingthem ideal for high-density system designs.

Fully equipped with a variety ofprogrammable features, the PI31xx includes

output-voltage trimming,programmable soft-startcapability, and remote on/offENABLE. There is also atemperature monitor function,providing an analogue outputvoltage proportional to theinternal module temperature.

The PI31xx is self-protectedagainst fault conditions includinginput over-voltage, under-voltagelockout, over-temperature, andoutput over-voltage protection. Aconstant current-limit thresholdis employed to protect againstshort-circuit and overloadconditions. All fault conditionshave an auto-restart function.

When paired with 12.4mm x25mm x 4.5mm PicorQuietPower® EMI filters – thesmallest filters in this product category atless than 25% the size of competingofferings – designers are afforded an end-to-end isolated DC/DC-conversion andEMI-filtering solution that deliversunrivalled density optimisation. QuietPowerfilters provide up to 99.5% efficiency and

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The ams SL13A and SL900Aare sensor-enabled RFID tagsthat are capable of supportinginnovative and low-cost wirelessdata-logging applications.

Both device types include anon-board temperature sensorand an interface to an externalsensor, and can operate inpassive, battery-less, mode usingenergy from the reader’s RF field.

Small System-in-Package DC/DC convertersaddress PCB space constraints

platform and terminal-connected equipment with noderating necessary.

The COBRA moduleelectronically limits the voltageapplied to downstream DC/DCconverters to a maximum of36V DC over the entire input-voltage range.

Fully compliant with MIL STD1275, 740 and DEF STAN 61-5part 6 issue 6, the COBRA

family offers full ridethrough withoutswitch off or powerreduction. Offeringhigher Watt densitythan alternativeissue 6 filters, themodules areavailable with 65Wor 115W powerrating in a 31.90mmx 39.90mm mouldedpackage, and 175W

or 230W ratings in a 60mm x37mm footprint.The modules have an input-

voltage range of 9V to 38V DC,with reverse-polarity protectionbuilt-in, allowing use with 12Vand 28V systems for both

are designed for universal compatibilitywith high-frequency switching DC/DCconverters from any manufacturer.



INTERSIL

Precision sensor-interface and power devicessave board space, streamline design

Integrating a low-noise PGA and24-bit delta-sigma ADC, andproviding two-channel or four-channel differential multiplexedinputs respectively, the IntersilISL26102 and ISL26104 allowdirect connection to sensors inmeasurement applications such asweigh scales, load-safety systemsand temperature monitors.

The devices feature exceptional noiseperformance for conversion rates rangingfrom 2.5sample/s to 4ksample/s. The on-chip PGA provides gains ranging from 1 to128, allowing a full-scale range of±19.5mV from a 5V reference. The highinput impedance allows direct connectionof sensors such as load-cell bridges toensure the specified measurementaccuracy without additional circuitry.

The ADC features a 3rd-order modulatorproviding up to 21.5-bit noise-freeperformance, with user-selectable wordrates.

Also from Intersil, the ZL9101M 12Avariable-output step-down digital power-supply module has built-in auto-compensation algorithms that eliminate theneed for manual compensation designwork. The highly integrated, PMBus-compliant module includes a digital PWMcontroller, power MOSFETs, an inductor,and all the passive components requiredfor a complete, highly integrated DC/DCpower solution.

Ideal for communication-infrastructure,industrial, medical and general-purposepoint-of-load applications, the ZL9101Mhas a wide input-voltage range and allowsthe output to be set from 0.6V to 3.6Vusing external resistors or via the PMBus.

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LATTICE SEMICONDUCTOR

Lattice Camera Solutions combineultra low-density FPGAs, cameraand connectivity IP, with the HDR-60 Camera Development Kit anddemonstration boards, acceleratingtime to market for innovativesecurity, automotive, retail,machine-vision andvideoconferencing applications.

Using a MachX02™ or LatticeXP2™ FPGA,engineers can build a custom interface forconnecting the chosen Image-SignalProcessor (ISP) to the image sensor. AMachX02 FPGA is also ideal in applicationsrequiring an image-sensor extender forremote connection of the sensor.

Moreover, IP from Lattice and third-partypartners enables engineers to implement acomplete image-signal processor in anFPGA such as a LatticeECP3™ device.Interfaces to sensors from leading vendors

are also available. Otherfunctions include a WideDynamic Range (WDR)algorithm, auto-focusengine, H.264 encoder, andvideo analytics. In addition,Lattice’s proven portfolio ofconnectivity IP allowsengineers to implementSerial Digital Interface (SDI),USB3.0, HDMI and 7:1 LVDSinterfaces.

Lattice Camera Solutionsincludes hardware such asa demonstration sensor-extender card supporting upto 1080p HD video overCat5e cable, a CSI2-to-parallel bridge and a dualsensor-interface board forconnecting two imagesensors in applications suchas 3D-video, gesture-recognition or black-boxrecorder equipment. NanoVesta 720p and1080p image sensors, as well as a widevariety of compatible single and dualcameras, are also available.

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FPGA-based camera-solutions portfolioaccelerates delivery of vision innovations



MICROCHIP

Advanced power-management controllercombines analogue and digital strengths

The Microchip MCP19111 is theworld’s first hybrid, mixed-signalpower-management controller. Byintegrating an analogue-basedPWM controller with a fullyfunctional Flash-basedmicrocontroller, this innovativedevice offers the flexibility of adigital solution with the speed,performance and resolution of ananalogue-based controller. Alsofeaturing integrated MOSFETdrivers, configured for synchronousstep-down applications, the

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MICROCHIP

Certified modules simplify embeddedWi-Fi integration

Microchip’s RN-131 and RN-171PICtail™ daughter boards are fullycertified wireless modules thatallow Wi-Fi® connectivity to beadded to 4-, 8-, 16- and 32-bitPIC® processors using standarddevelopment tools and withoutrequiring external processordrivers. The modules connect withany PIC microcontroller via a serialinterface, and feature an integratedTCP/IP stack that helps significantlyreduce time to market and solution

footprint. The modules draw as littleas 4µA in sleep, 35mA in receiveand 120mA in transmit mode.

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MICROCHIP

Latest MCU devices boost memorydensity and feature integration

MCUs go wireless with certifiedIEEE 802.15.4 module

including 28 10-bit ADCs, fiveUARTS, serial interfaces, andperipherals supporting graphic-display, capacitive-touch anddigital-audio functionality. Thisnew PIC32 MX3/4 family, andMicrochip’s complete solutions,speed-up development and reducerisk when adding high-quality,low-cost audio and HMIcapabilities to applications in theconsumer, appliance, medical orindustrial markets.

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MICROCHIP

Crystal-free USB MCUssave cost and power

The 14- and 20-pin PIC16F145XUSB microcontrollers combineeconomical low pin-count packagesand crystal-free operation, savingcost by eliminating the need for anexternal crystal, with high featureintegration and Microchip’seXtreme Low Power (XLP)technology. The three-memberfamily targets applications thatrequire USB connectivity andcapacitive touch sensing, such aspulse oxymeters, PC accessoriesand security dongles. my-ftm.com/131169

MICROCHIP

USB-port power controllers supportfeature-rich and future-proof designs

The UCS1001-3, UCS1001-4 andUCS1002-2 extend Microchip’sprogrammable USB-port power-controller portfolio, adding

enhanced features such as highercurrent capability, priority chargingfor smartphones and tablets,support for active cables, 12Wcharging, and support for detectingand creating charging-emulationprofiles. The UCS1002-2 alsofeatures a built-in current sensorthat allows optimisation ofcharging current and powerallocation. UCS1001-3/4 andUCS1002-2 evaluation boards helpaccelerate new designs leveragingthese devices.

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MICROCHIP

The Microchip MRF24J40MA FCC-certified IEEE 802.15.4 transceivermodule is a complete surface-mountable solution compatiblewith hundreds of 8-bit, 16-bit, or

32-bit PIC® microcontrollers forwireless-networking applications.Discrete biasing components andan integrated PCB antenna simplifydesign, while full regulatory-agency certification for NorthAmerica and Europe helps savecosts and reduce time to market.

The MRF24J40MA can beteamed with Microchip’s MiWi™peer-to-peer wireless-networkingfor applications such as industrialmonitoring and control, home andbuilding automation, remotecontrol, low-power wireless sensornetworks, lighting control andautomated meter reading.

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MCP19111 enables customisable,high-efficiency power conversionwhen combined with Microchip’sgrowing MCP87xxx family of lowFigure-of-Merit (FoM) MOSFETs.

The latest microcontrollers to jointhe PIC32MX3/4 series offer higherFlash/RAM options up to512kbyte/128kbyte, as well asincreased feature integration



RICHTEK

LED drivers boost power factor andperformance within space-efficient footprint

The RT7302 and RT7304high-performance, Primary-Side-Regulated (PSR) flybackLED drivers from RichtekTechnology achieve powerfactor of up to 0.99 and lowTHD across a wide range ofAC-line voltages.

The drivers offer advantagessuch as high efficiency andlow EMI, operating in quasi-resonant mode. They alsomaintain accurate outputcurrent regulation, to within±5%, without requiring large

and costly optocouplers orshunt regulators. This makesthem ideal for LED-lightingapplications in small and slimform-factors. In addition, anintegrated high-voltage start-up function minimises powerloss and significantly shortensstart-up time.

Compared to the RT7304,the RT7302 integrates anadditional high-voltage start-up device that helps minimisepower losses and shortenstart-up time. both drivers alsofeature comprehensiveprotection functions includingLED open-circuit protection,LED short-circuit protection,output-diode short-circuitprotection, VDD Under-Voltagelockout (UVLO), VDD over-voltage protection, over-temperature protection, andcycle-by-cycle currentlimitation.

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ROAL

High-power LED-lighting driverscombine flexibility with convenience

Roal Electronics’ MESOprogrammable LED driverscomprise unique andinnovative features to deliverperformance advances such asTHD of less than 20% andpower factor greater than 0.9.Thanks to the technology anddesign strategy adopted, MESOdelivers excellent performanceeven under non-optimalworking conditions like lowload. Choosing these driversassures universal adaptability,maximum system efficiencyand reduced complexity acrossevery lighting environment.

The digital programming

interface allows designers tocreate hundreds of configurationsfrom 6W to 25W, selectingfrom only a few part numbers.Aspects such as LED drivecurrent and key turn on/offcharacteristics can beoptimised quickly and easilythereby reducing design timeand lead time, and simplifyinginventory management.

MESO drivers have a wideinput-voltage range, from 90VAC to 305V AC, and DC-inputversions are also available.Support for dimming optionsincludes 0-10V analoguedimming or digital controlssuch as PWM or DALI. Thedrivers are UL, ENEC and CEapproved, and available ineither a slim plastic packagewith flying leads, or in a metalcase designed to fit standardjunction boxes for North-American buildingenvironments.

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SEMTECH

The Semtech SX1276 RFICintegrates Semtech’s advancedLoRa™, long-range, spread-spectrum technology, which isoptimised for wirelessnetworking to allow comm-unication between metering,control or sensor devices overdistances up to 15km in asuburban environment. Thiscompares with a maximumrange of between one and twokilometres for typical existingsystems under the sameconditions and regulatorylimits. The additional rangewill eliminate the need forrepeaters, significantlysimplifying the system designand lowering the total cost ofdeployment.

The SX1276 covers all themajor sub-GHz frequencybands. It delivers over 100dBof blocking immunity to out-of-band interfering signals, whichis 15dB better than competingdevices.

Moreover, a 25dB improvementfor rejecting in-bandinterfering signals provideseffective immunity from sub-GHz4G/LTE signals, making thedevice especially effective inISM-band applications.

Compatibility with IEEE802.15.4g and WMBus make theSX1276 the ideal solution foradvanced metering infrastructurein addition to Internet-of-Things and M2M applications.

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SIERRA WIRELESS

USB wireless modulesprovide high-speed, versatilecellular connectivity

The Sierra Wireless AirPrime® MCseries of embedded modulesprovide a wide selection ofcellular standards such as LTE,HSPA+, EV-DO, GSM, andGPRS/EDGE to address networksworldwide.

They are designed to offerhigh-speed connectivity forindustrial-M2M and mobile-computing solutions, and aredelivered with a comprehensiveSoftware-Development Kit(SDK) and enabling software.

The modules are packagedas standard PCI Express® MiniCards with a USB2.0 interfaceto simplify integration andprovide an easy upgrade pathto new network technologies.The MC73xx, MC9090,MC809x variants haveindustrial temperature ratingfor extra ruggedness andreliability.

my-ftm.com/131176

Innovative RFIC boostssmart-device range to 15km



HIROSE

Miniature 3A connectorssimplify LED lighting and more

Hirose DF59 connectors are idealfor LED-lighting interconnects,as well as general wire-to-board power-supply connectionsand board-to-board bridgeconnections. The connectorsare available with two, threeor four contacts, and with 2mmor 4mm pitch. They are ratedup to 3A, and can be specifiedfor 100V or 230V applications.

The system uses only one

type of receptacle for eithercable-mount or board-mountconnections, thereby reducingthe number of componentsrequired. The connectors havea low mated height of 2.5mm,and small overall dimensionsof 8mm x 9mm. This helpsavoid shadowing in luminairescomprising large numbers ofclosely spaced LEDs, while thenatural white colour of themoulding material minimisesvisibility of the connectors.

The wire-to-board connectorfeatures Hirose’s user-friendlyswing-lock mechanism, whichenhances cable-retentionforce. Mating is confirmed witha tactile audible click. Theboard-to-board bridgeconnector is ganged by afriction-lock system, which hasa floating structure allowinggreater flexibility during theinstallation process.

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BRIDGELUX

Plug-and-play LED arrays simplifylighting design and assembly

Bridgelux Vero™ 10, Vero 13,Vero 18 LED and Vero 29arrays are plug-and-play Chip-on-Board (CoB) light sources thatdeliver leading performanceand efficacy while helpingreduce product-developmenttimes and streamliningproduction processes. Typicalefficacy is a class-leading120lm/W for 3000K 80 CRI.

Beyond saving energy, theBridgelux Vero series of LED

arrays provides the uniquechoice of either 3SDCM(Standard Deviation ColourMatching) or optional 2SDCMcolour precision. These optionshelp improve end-productquality by allowing greaterconsistency and uniformitybetween adjacent light sources.

Another industry-first is theon-board port allowingefficient solder-freeinterconnection using theMolex Pico-EZmate™ system.

Vero arrays are available infour different sizes, withoutputs from 240lm to16,400lm, CCT from 2700K to5000K and CRI from 70 to 97for use in residential,commercial or industrialinterior or exterior lighting.They are compatible with awide variety of standard driversand optical components.

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DIODES INCORPORATED

Latest primary-side regulators streamlinepower-supply and LED-driver designs

Diodes Incorporated offers twonew controllers for Primary-SideRegulation (PSR) applications,which are designed to enablesignificant reductions in the BOMcost and PCB size of AC/DCpower supplies and LED lamps.Integrating a high-voltagebipolar junction transistor on-chip, the devices achievehighly accurate regulation andextremely low standby power.

The AP3971 primary-sidecontroller is specially designed

for off-line power supplies upto 12W or non-isolated buckswitched-mode powersupplies. It eliminates the needfor an opto-coupler andsecondary-side circuitry, andachieves very tight outputregulation using pulse-frequency modulation.

The AP1684 is a universal-input AC/DC PSR PFC controllerfor low-cost isolated and non-isolated single-stage LED lamps.It has low start-up current, lowoperating current and highefficiency, and integratescomprehensive protectionfeatures thereby reducingcomponent count andsimplifying design. TheAP1684 provides accurateconstant-current regulation whileachieving high power factorand low total harmonicdistortion, and achieves thesame circuit economies as theAP3971.

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MURATA

Isolated converters meethighest safety standards

The Murata Power SolutionsMEJ1 series of isolated 1WDC/DC converters offers basicand supplementary isolation toUL60950. The series alsocomplies with the medicalsafety standard UL60601-1third edition. These convertersare ideal for low-powerapplications that require a highdegree of isolation, such as anagency-approved safety barrierfor medical equipment, IGBTdrivers, and control systems.

Encapsulated in a 7-pin SIPpackage, MEJ1 seriesconverters are certified to acontinuous working voltage of200Vrms up to a maximumambient temperature of 85°C.Input-to-output isolation israted at 5200V DC for 1second.

Designers can choose from38 models, comprising single-output variants offering a 3.3V,5V, 9V, 12V, or 15V output, ordual-output versions offeringpositive and negative outputs.Input voltages of 5V, 12V, 15V,or 24V are accommodatedacross the whole range.Single-output models also havea 3.3V-input option.

The converters are pincompatible with the existingMEV, NMV, NMK, MEJ2, andNMJ series.

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PHILIPS LUMILEDS

Latest LUXEON LEDsboost efficiency andcolour control

Philips Lumileds LUXEON® Tillumination-grade LEDs aretested and specified at 85°C toensure in-applicationperformance, and takeadvantage of Lumileds’

Freedom from Binning™

technology for tight colourcontrol to within 3-step

Standard-DeviationColour Matching(3SDCM). High efficacy,forward voltage of 2.7Vand thermal resistanceof 3K/W allowdesigners to achievethe desired illuminationwith improved energyefficiency and usingfewer emitters forreduced system cost.LUXEON T LEDs delivera high Colour-Rendering Index (CRI)across the full

Correlated Colour Temperature(CCT) range from 2700K to5000K.

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PHILIPS LUMILEDS

LUXEON Chip-on-Board (CoB)LED arrays feature thermallyenhanced construction andcombine exceptional beamuniformity with industry-leading efficacy and a verysmall light-emitting surface.This allows designers toachieve superior Centre-BeamCandle Power (CBCP) evenwhen using the LED array witha low-cost optical design.

Luminous flux of up to 6000lumens and hot-tested efficacyof up to 120lm/W for bright-white 80CRI lights make theLUXEON CoB series ideal forhigh-lumen downlights,spotlights and directional lamps.

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PHILIPS LUMILEDS

LED package innovation enhancesperformance and flexibility

LUXEON® Z LEDs are availablein saturated colours from 440-670nm, as well as whiteselections, to give the flexibilityto address a wide variety ofarchitectural, emergency-vehicle and speciality lightingapplications. With their tiny1.3mm x 1.7mm outline,resulting in the industry’shighest lumen-per-mm2 output,the LUXEON Z series delivers

high punch with tight beamcontrol and the flexibility ofsuperior colour mixing througha choice of optics.

Like the LUXEON Z series,LUXEON Z ES emitters aredelivered in an unencapsulatedpackage that enhances designflexibility. LUXEON Z ES isavailable with belowblackbody binning, allowingsuperior colour perception inspeciality retail and hospitalityapplications. Colour over Angle(CoA) is also superior comparedto standard domed emitters,resulting in improved quality oflight from lamps such as GU10,BR30 and A19. In directionallight sources such as MR16lamps, the un-domed designallows better optical couplingfor superior luminance atnarrower beam angles andgreater colour consistency.

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PHILIPS LUMILEDS

Low-power LEDs forsmoother lighting effects

The LUXEON 4014 rectangularLED, a unique new low-powersolution from Philips Lumileds,achieves high efficacy tosatisfy applications requiringlinear or omnidirectionallighting such as under-cabinetand cove illuminations,refrigerator lighting and LED-retrofit lighting. Within its4.0mm x 1.4mm x 0.7mmfootprint, the LUXEON 4014

delivers efficacy of 160lm/W at4000K and CRI of 80. FurtherCCT choices will be addedsoon. LUXEON 4014 is idealwhen uniformity and a smoothlighting appearance arecritical.

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Chip-on-Board LEDssimplify optical design



MULTI-TECH

Turnkey modems, routers and gatewayssimplify cellular M2M connectivity

Multi-Tech’s portfolio of 3G and2G cellular modems, routers andgateways offer comprehensiveconnectivity technologies andoptions allowing engineers toselect the most suitableproduct for a given application.All modems are pre-approvedby major carriers andcountries, which dramaticallystreamlines obtainingmandatory approvals.

The new MultiConnect® PCIeembedded cellular modem isEuropean-ready and deliverspenta-band HSPA+ 21

performance, with optionalGPS, Wi-Fi® and Bluetooth® inone compact form factor. TheMultiConnect rCell intelligentwireless router, featuring serialand Ethernet connections,allows quick deployment andis able to support almost anyM2M application requirements.The QuickCarrier™ USB-DHSPA+ cellular dongle addsinstant cellular communicationto M2M applications as well asstability, reliability and longlifecycles. Finally, theMultiConnect OCG open-communications gateway is anall-in-one OpenEmbedded LinuxOS-based hardware platformoffering 2G- and 3G-modemconnectivity, and is fully-certified and application readyenabling a fast time to market.

Products are supported withdeveloper kits which includeall necessary interfaces, cables,power supply and antennas.

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ON SEMICONDUCTOR

IGBT families deliver superiorefficiency and thermal performance

ON Semiconductor’s second-generation Field Stop II IGBTsfor efficient, high-speed powerswitching are optimisedaround three key variables:saturation voltage, turn-off lossand short-circuit robustness.

The first group of devices,the NGTBxxN120IHRWG andNGTBxxN135IHRW, featureoptimised switching and

reduced conduction losses forinduction-heating and soft-switching applications operatingat frequencies up to 50kHz.Devices are available in both1200V and 1350V versionswith current ratings up to 40A.

Further expansion of theField Stop II IGBT technologyhas yielded theNGTBxxN120FL2WG andNGTBxxN135FL2WG families,which are optimised for use insolar inverters, UPS and inverterwelders. With their superiorthermal characteristics, thesenew devices have an operatingjunction-temperature range of-55°C to 175°C.

Detailed technical andapplication information can befound in the company’s ‘IGBTApplications Handbook’outlining IGBTs, theircustomisation, and application.

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ON SEMICONDUCTOR

Innovative clock buffer deliverspurer performance

The ON SemiconductorNB3L853141 is a low skew1:5 LVPECL clock-fanout bufferdesigned explicitly forapplications requiring lowoutput skew. It features amultiplexed input which canbe driven by either adifferential or single-endedinput to allow for thedistribution of a lower-speedclock along with the high-speed system clock.

The device provides a Clock-select pin for selectingdifferential or single-endedinput, and also features aninnovative synchronous Clock-enable (EN) input. Synchronousoperation ensures that theoutputs can only be enabled ordisabled when already in thelow state. This avoids anychance of generating anunwanted clock pulse whenthe device is enabled ordisabled, as can happen withan asynchronous control.

With maximum propagationdelay of 1.5ns and maximumskew between outputs of 30ps,the NB3L853141 deliversprecision performance incomputing and networkingapplications such as routers,switches, servers andbackplanes.

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ON SEMICONDUCTOR

Power MOSFETs up to 1700Vdeliver superior efficiency inversatile package options

ON Semiconductor has a broadportfolio of high-voltage powerMOSFETs, offering voltageratings from 800V to 1700V andlow on-state resistance in avariety of industry-standardpackages such as TO-220, TO-263 (D2PAK), TO-3P and TO-3PF.

The BFL40xx family in TO-220F packages are 800V and900V devices suitable for 240VAC applications, and provide on-state resistance down to 1.9Ωwith current ratings of 5A or 6.5A.

The 2SK37xx and 2SK4177are 1500V devices for 380V ACto 480V AC applications. Theyoffer versatile package choices,current ratings of 2A or 4A andlow on-state resistance downto 5Ω typical. These devicesare joined by theNDFPD1N150C, NDFP03N150C,NDBA03N150C, NDTL03N150C,

NDUL03N150C, NDUL04N150Cand NDUL08N150C. These1500V devices offer currentratings from 0.1A to 8A and lowon-state resistance, as well asgate charge as low as 34nC foroutstanding switchingperformance.

The WPH4003 is rated to1700V and 3A, and is offeredin the TO-3PF package withon-state resistance down to8.2Ω typical and gate chargeof 42nC.

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STMICROELECTRONICS

MCUs and more from STMicroelectronicsboost application performance and value

The STM32family of32bit FlashMCUs basedon the ARM®

Cortex™-Mprocessor isdesigned tooffer new degrees of freedom toMCU users.

The unparalleled and large rangeof STM32 devices, based on anindustry-standard core and

accompanied by a vast choice oftools and software, makes thisfamily of products the ideal choice,both for small and low cost projectsand for entire platform decisions.Its portfolio includes the latestSTM32F030 Value Line MCUstargeted to deliver advantages of32-bit devices at an 8-bit pricepoint, and the high-performanceSTM32F429 powered by theindustry’s highest-performingARM® Cortex™-M4 core.

STMICROELECTRONICS

Highly integrated RF transceiverstreamlines sub-GHz design

ST’s SPIRIT1 is a very low-powersub-GHz RF transceiver in aleadless QFN20 package. Targetingmetering, building-automation andgeneral wireless monitoring andcontrol applications, SPIRIT 1integrates an AES 128-bitencryption co-processor, providesa control algorithm for antenna-diversity applications, and has abuilt-in regulator allowing directoperation from a battery voltagefrom 1.8V to 3.6V.

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STMICROELECTRONICSInnovative lighting controllerboosts digital-power precision

The M24LR04E-R DynamicNFC/RFID tag IC speeds-up thedevelopment of wirelessidentification applications bycombining a wireless interfacemeeting the applicable ISO 15693and ISO 18000-3 mode-1standards, a 4kbit contactlessEEPROM, and an energy-harvesting analogue output.

Supporting developers targetingthe M24LR04E, the M24LR-DISCOVERY evaluation kit is readyto use and contains a batterylessboard containing the ML24R,which acts as a tag, and atransceiver board that acts as the

RFID reader. The ML24R board canalso be used with an off-the-shelfRFID reader or an NFC-enabledsmartphone.

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STMICROELECTRONICS

Highly integrated inertial moduleleverages MEMS leadership

The iNEMO-M1 is a 9 Degree ofFreedom (9-DoF) inertial systemdelivered as a compact 13mm x13mm x 2mm System-on-Board(SoB). Integrating a 6-axisgeomagnetic module, 3-axisgyroscope and an ARM® Cortex™-M3 32-bit MCU, plus industry-standard interfaces such asCAN2.0B and USB2.0 and free ADCchannels for external inputs, it isideal for gaming and virtual reality,robotics and body-movementtracking, fitness and healthcareequipment, and personalnavigation devices.

The SoB is ready to use andprogrammable by the user. ST alsoprovides the iNEMOEngine_M1LI3software library, which is adedicated sensor-fusion engine.The STEVAL-MKI121V1 evaluationboard will facilitate development.

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STMICROELECTRONICS

Advanced high-voltage technologiesboost power-converter efficiencies

ST’s power portfolio comprisesMOSFETs leveraging advancedtechnologies such as SuperMESH 5™,an extremely rugged, proprietaryvertical structure. The STB20N95K5,STF20N95K5, STP20N95K5 andSTW20N95K5 are 950VSuperMESH 5 devices in D²PAK,TO-220FP, TO-220 and TO-247packages offering on-stateresistance down to 0.275Ω.Optimised for high-voltage power-switching duties, they are rated upto 17.5A and have ultra-low gatecharge enabling superior powerdensity and high efficiency.

For applications such asphotovoltaic inverters, UPS andwelding equipment, theSTGW60V60DF andSTGWT60V60DF are 600V IGBTsfeaturing advanced field-stoptrench-gate technology. These arethe latest devices to join ST’s Vseries of IGBTs, which representan optimum compromise betweenconduction and switching losses.Their positive saturation-voltagetemperature coefficient and verytight parameter distributionsupport safer paralleling operation.

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STMICROELECTRONICSAt the heart of the STLUX385A,State-Machine Event-Driven(SMED) technology manages theoperation of six independentlyconfigurable PWM clocks withresolution as precise as 1.3ns.Other key peripherals support theuse of the STLUX385A as a digitalcontroller, including four analoguecomparators, a 10-bit ADC withconfigurable op-amp and 8-channel sequencer, a 96MHz PLLsupporting high output-signalresolution, and a DigitallyAddressable Lighting Interface(DALI) communication modulefeaturing an improved DALI noise-rejection filter.

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Energy-harvesting tag IC streamlinesRFID/NFC development

Joining ST’s MASTERLUX™ family,the STLUX385A for digital lightingcontrol and power conversion iscompatible with simple architecturessuch as buck-converter LED driversor half-bridge resonant convertersfor dimmable LED strings, up tofull-bridge control in HID-lampballasts.



TE CONNECTIVITY

Snap-in LED holders boost assemblyproductivity and lighting performance

The TE Connectivity™ (TE) Z50LED holder is optimised forPhilips Lumileds LUXEON® KLED and Sharp ElectronicsMEGA ZENIGATA LEDs, andprovides the core electrical,mechanical, thermal and opticalinterconnectivity needed formaximum performance andreliability.

Z50 holders are availablewith either optics-attachmentfeatures or in a low-profile formfactor. Both types are footprint

compatible, and designed toprovide mechanical downforceand reliable electricalconnection over a wideoperating-temperature range.Integrated poke-in electricalconnections eliminate handsoldering, so allowing a morerepeatable assembly. Snap-inLED retention allows easierand faster assembly of LEDsinto fixtures.

The 50mm-diameter variantwith optics attachment isdesigned to enable thedevelopment of ZHAGA-certified solutions. TE hasdesigned the optic-attachmentfeatures in close cooperationwith Carclo Optics and LEDILto ensure a firm mechanical fitto the LED holder. The 45mm-diameter low-profile Z50holder is only 3mm high,making it ideal for omni-directional applications.

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TE CONNECTIVITY

Non-contact connectors supportsafer sensing

With TE’s ARISO™ contactlessconnectivity solution, issuestypically affecting connectivityin harsh environments, such aswater, dust or vibrations, willno longer impact the reliabledelivery of power, data andsignals. This is thanks to theseamless integration ofwireless-power and Radio-Frequency (RF) technology.

Offering significant benefitsto the industrial, consumer,automotive, aerospace, defenceand energy markets, the ARISOcontactless connectivityplatform combines key benefitsof contact-based connectionssuch as high-reliability power,data and signal transmissionwith the added flexibility ofcontactless connections. It is ahighly effective platform forapplications that containmoving parts and electronicsthat need to be connected in a

harsh environment. Inaddition, there is virtually nowear and tear due to the lackof physical contact.

Productivity can beincreased, installation andmaintenance costs can bereduced, and safety and ease-of-use can be improved in asustainable manner. Inaddition, ARISO contactlessconnectivity enables newapplications and solutionswhere traditional connectivityreaches its limits.

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MICREL

4W audio system-on-chip is ideal for high-performance entry/call systems

The Micrel KSZ8382 is a system-on-chip combining a multi-processorarchitecture and high-performanceaudio capabilities including an on-board 4W amplifier and a directmicrophone input. This deviceprovides ideal functionality forequipment such as entry systems,nurse-call systems or others thatrequire Public-Address (PA)functionality.

The KSZ8382’s multi-processor architecturefeatures a RISC CPU and a DSP withfirmware codecs for audio processing. The4W amplifier is capable of driving aspeaker directly, which helps to simplifydesign and save external components. AnLCD interface and keypad scanner are alsobuilt-in. All functions and controls areaccessible via the device’s serial port,

making this an idealadd-on module forupgrading an existingdesign quickly andefficiently. The highpower efficiency ofthe KSZ8382 is afurther advantage,helping to savesystem power andextend battery life inportable applications.

The KSZ8382 isavailable in twoversions. TheKSZ8382Q is a low-cost version packagedas a 128-lead QFPdevice and featuringintegrated SDRAM.The KSZ8382Lfeatures higher-performing DDRAMand a 176-lead LQFPpackage offeringextra general-purpose I/O (GPIO). my-ftm.com/131197


NXP SEMICONDUCTORS

Serial-bus RTCs provideversatile timing functionality

NXP Semiconductors’ PCF85063I2C/SPI real-time clocks (RTCs)can be used for actual timeand date tracking, for powermanagement to wake thesystem microcontroller fromhibernation mode, or as asystem reference clock for aPLL input. They can serve as awatchdog or countdown timer,and can be used as anactivation timer to startmeasurements or initiate otherfunctions.

Offering high precisionwithin space-efficientdimensions, the RTC isavailable in three versions.

The -TP versiontracks time and dateand has an I2C Fast-mode interface. Itoffers electronictuning and can beconfigured for afrequency outputand an interruptevery 30 or 60seconds. It is housedin a 2mm x 3mm x0.8mm HWSON8package.

The -ATL and -BTL versionsfeature an alarm, countdowntimer, and clock-out Enablepin. The -ATL version supportsI2C Fast-mode, while the -BTLhas a 3-line SPI port. Bothdevices are packaged as2.6mm x 2.6mm x 0.5mmHXSON10 devices.

Two demo boards areavailable; the OM11059 forSPI-bus -BTL versions, and theOM11059A for I2C-bus -TP and-ATP versions.

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NXP SEMICONDUCTORS

Wireless MCUs deliver best-in-class features and memory

Among the unique featuresthat differentiate NXP’s JN5161,JN5164 and JN5168 wirelessmicrocontrollers, is the factthat these are the only single-chip devices in the industry tosupport JenNet-IP, ZigBee®

Light Link, ZigBee SmartEnergy, ZigBee HomeAutomation and RF4CE. Theyalso offer best-in-classmemory options, with up to256kbyte embedded Flash,4kbyte EEPROM and 32kbyteRAM on the JN5168 to supportthe latest network stacks. Inaddition, in-packet antennadiversity allows systems tochoose the best antenna onevery packet received.

The devices combine a high-efficiency 32-bit RISC processor

with a 2.4GHz IEEE 802.15.4transceiver and versatileanalogue and digitalperipherals. Another best-in-class feature is the lowoperating current of less than17mA which, along with the0.5µA sleep-timer mode,enables longer battery life andpermits operation directly froma coin cell.

Four qualified modules arealso available, based on theJN5168, offering variousconnectivity and power-amplifier configurations fordeployment in Europe, Asia orNorth America.

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NXP SEMICONDUCTORS

LPC800 MCU combines 8-bitsimplicity with 32-bit convenience

NXP’s LPC800 ARM® Cortex™-M0+microcontroller is designedspecifically for the 8-bit world.Offered in low pin-count packagespopular with 8-bit developers, itcombines easy-to-use peripheralswith 32-bit capabilities andexceptional power efficiency.

The LPC800 includes features such as aflexible switch matrix that enablesdesigners to assign on-chip peripherals toany pin with a single line of code or asingle click in the configuration tool.

The serial peripherals are also re-engineered. The new SPI can operate as aslave at frequencies independent of theprocessor clock, which saves oversamplingthe SPI to receive data thereby reducingpower and simplifying the system design.The I2C allows the LPC800 to lie and waitat near-zero power consumption, evenwithout a system clock, and wake on anaddress match.

In addition, simple driver-free operationsliberate Flash space and allow the use ofsimple API calls. Similarly, powermanagement is simplified to a single APIcall. The LPC800 uses 64-byte page Flash,simplifying code management, and can beused to emulate EEPROM for data storage.

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