siena, 21-24 oct. 2002 8 th topical seminar on innovative particle and radiation detectors: progress...

Siena, 21-24 Oct. 2002

8th Topical Seminar on Innovative Particle and Radiation Detectors:

Progress in Radiation and Magnetic Field tests of

CAEN HV and LV boards

UNI EN ISO 9001 CERT. N. 9105.CAEN

Giovanni GRIECOGiovanni GRIECOE-mail: <[email protected]>E-mail: <[email protected]>

COSTRUZIONI APPARECCHIATURE ELETTRONICHE NUCLEARIVia Vetraia, 11 - I 55049 VIAREGGIO (Italy)Tel. +39 0584 388398 URL: http://www.caen.it

Siena, 21-24 Oct. 2002

SummarySummary

CAEN approach to LHC power suppliesCAEN approach to LHC power supplies Implemented devices working in hostile Implemented devices working in hostile

areaarea Result of last tests in radiation and magnetic Result of last tests in radiation and magnetic

fieldfield ConclusionsConclusions

Siena, 21-24 Oct. 2002

SY1527SY1527 Integration in DCS Integration in DCS

TCP/IP LAN

OPC LAN

Telnet Client LabView onPC/MAC

Internet

Router

WAN Link

Telnet ClientETH I/F

OPCServer

(via RS232)

RS232 I/F

CustomHV

Distr.

DetectorOPC

Server(via TCP/IP)

OPC Client

HV/LV Out

CustomLV

Distr.

CustomHV

Distr.

HV+Control

Siena, 21-24 Oct. 2002

CAEN approach to the problems in CAEN approach to the problems in power supplies of LHCpower supplies of LHC

Radiation toleranceRadiation tolerance

Magnetic field tolerance (up to 10 KGauss)Magnetic field tolerance (up to 10 KGauss)

Low Cost (COTS)Low Cost (COTS)

Hi-Power (up to 1 KWatt)Hi-Power (up to 1 KWatt)

Efficient energy transmission Efficient energy transmission

Low noiseLow noise

Floating groundFloating ground

Basic requirements

Siena, 21-24 Oct. 2002

CAEN Experience inCAEN Experience in LHC “Hostile Area” LHC “Hostile Area”

’’97: 97: First COTS rad-tolerance tests (ENEA - La First COTS rad-tolerance tests (ENEA - La Casaccia)Casaccia)

’’98: NIC Non Inductive Converter98: NIC Non Inductive Converter ’’99: 99: Tests with p and n in Louvain-la-Neuve of A877Tests with p and n in Louvain-la-Neuve of A877

( CMS Muon Chambers ) ( CMS Muon Chambers ) ’’00: Special material research 00: Special material research ’’01: A New design (01: A New design (Patent Pending)Patent Pending) for a family of for a family of

High and Low voltage DC/DC converters High and Low voltage DC/DC converters

Siena, 21-24 Oct. 2002

System PhilosophySystem Philosophy

48 V

48 V

CO

NT

RO

LL

OG

IC

V+

V-

S+S-

V+

V-

S+S-

V+

V-

S+S-

DC-DC

DC-DC

DC-DC

CO

NT

RO

LL

OG

IC

V+

V-

S+S-

V+

V-

S+S-

V+

V-

S+

S-

DC-DC

DC-DC

DC-DC

HOSTILE AREA

48 VBACK UPBATTERY

48 V HIGHPOWERSOURCE

SY

15

27

SY

ST

EM

MA

INF

RA

ME

INTERRUPT

CONTROL ROOM

TO BE DEFINED

POWER FAILURE

SY1527

Siena, 21-24 Oct. 2002

Functional PrototypeFunctional Prototype

SASYSASY: a : a SSub ub AAssembly ssembly SYSYstemstem

Functional Prototype for Easy TestingFunctional Prototype for Easy Testing

Floating groundFloating ground

Parameters controlled via SY1527/SY2527 mainframeParameters controlled via SY1527/SY2527 mainframe

Siena, 21-24 Oct. 2002

The SASY 2000The SASY 2000

A “functional prototype” solutionA “functional prototype” solution

Siena, 21-24 Oct. 2002

SASY 2000 DesignSASY 2000 Design

SASY 2000 Power Supply and Control Diagram:SASY 2000 Power Supply and Control Diagram:

Tri-phasepower supply

Auxiliary DC/DCConverter

A1000 controller

Power 48V

SY1527 48V +12V

-12V

VCC

CAN

HV_CLK

SYS_CLK

VCC

GND

PGND

VCC

+48V

>To the

backplane'sbus

Signals coming fromControl boardinside SY1527

Siena, 21-24 Oct. 2002

SASY 2000 DesignSASY 2000 Design

SASY 2000 Power Supply and Control:SASY 2000 Power Supply and Control:Actual ImplementationActual Implementation

Siena, 21-24 Oct. 2002

Common Noise Reduction Common Noise Reduction ViewpointViewpoint

AGNDFAGND

+48v

Siena, 21-24 Oct. 2002

Expected Radiation and Magnetic Expected Radiation and Magnetic Field ToleranceField Tolerance

Magnetic Field:Magnetic Field:

»up to 10 kGaussup to 10 kGauss

Radiation:Radiation:

»60 MeV protons, up to 2*1060 MeV protons, up to 2*101010 p/cm p/cm22

»Up to 60 MeV neutrons, up to 10Up to 60 MeV neutrons, up to 101212 n/cm n/cm22

»up to 7 kRadup to 7 kRad

Siena, 21-24 Oct. 2002

SASY 2000 family: SASY 2000 family: SA2xxx (Custom Development)SA2xxx (Custom Development)

Hi Resolution(2 nAmp)

HVHi Power

(up to 40W)

Low Noise forAnalog Application(less than 5 mVpp)

LV

Hi Power(up to 1000W)

Collaboration:

ALICEATLASCMS

TOTEM

Example of theLAST TESTED

prototype inhostile area:

SA2002SA2003SA2004SA200x

Siena, 21-24 Oct. 2002

SA2002SA2002 2 Ch Low Voltage Module2 Ch Low Voltage Module

Main FeaturesMain Features

for each channel:for each channel:

V out = V out = 4.5 4.5 ÷ ÷ 5.5 V5.5 V

6.5 6.5 ÷ ÷ 7.5 V7.5 V I I out = out = 2 A2 A

1 A1 A RRippleipple = < 20 mVpp = < 20 mVpp

Siena, 21-24 Oct. 2002

SA2003SA20034 ch DAC Module4 ch DAC Module

Main FeaturesMain Features

for each channelfor each channel::

14 bit progammable 14 bit progammable

voltage = 0 voltage = 0 ÷ 3÷ 3 V V

I I out = 30 mAout = 30 mA

Siena, 21-24 Oct. 2002

SA2004SA20041 ch Low Voltage High Current Module1 ch Low Voltage High Current Module

Main Features:Main Features:

V out = 4 V out = 4 ÷ 6÷ 6 V V

I I out = 60 Aout = 60 A

RRippleipple = < 150 mVpp = < 150 mVpp

Siena, 21-24 Oct. 2002

SA200xSA200x1 ch Low Voltage High Current Module1 ch Low Voltage High Current Module

Main Features:Main Features:

V out = 5 VV out = 5 V

I I out = 80 Aout = 80 A

RRippleipple = < 30 mVpp = < 30 mVpp

Smaller volume than Smaller volume than

SA2004SA2004Patent P

ending

Siena, 21-24 Oct. 2002

Test under RadiationTest under Radiation Louvain la Neuve, August 26 Louvain la Neuve, August 26th th 20022002

Tested modules : Tested modules : SA2002, SA2003 and SA2004SA2002, SA2003 and SA2004

Test Time: 2h 40’Test Time: 2h 40’

Radiation: up to 60 MeV n’s, Fluence 10Radiation: up to 60 MeV n’s, Fluence 108 8 n/cmn/cm22

Average target distance: 75 cm.Average target distance: 75 cm.

Total dose: 10Total dose: 101212 n/cm n/cm22

Branch controller on SY2527Branch controller on SY2527

Siena, 21-24 Oct. 2002

Test SetupTest Setup

Louvain la Neuve, August 26th 2002

Siena, 21-24 Oct. 2002

Tests PerformedTests Performed

During the test lots of cycles of ramp-up and During the test lots of cycles of ramp-up and ramp-down were performedramp-down were performed

Output voltagesOutput voltages

were changed were changed

continuouslycontinuously

Siena, 21-24 Oct. 2002

Test ResultsTest Results

During the test the communication with the During the test the communication with the SASY was lost for three times but the SASY was lost for three times but the problem was recovered with a remote problem was recovered with a remote operation.operation.

After the test and the total dose of After the test and the total dose of 10101212 n/cm n/cm22 the SASY works perfectly.the SASY works perfectly.

Siena, 21-24 Oct. 2002

Test in Magnetic FieldTest in Magnetic FieldCERN, September 5CERN, September 5th th 20022002

SY2527BRANCH

CONTROLLER

controls

SASYChannel

Communications

Rshunt(1mOhm)

Pwr48V+ Vrout -+

-

48Vsig.

VinCH

IinCH

VinSASY

Rshunt(10mOhm)

+ Vrin -

Iout

+

-

+-

Active load+

-Vout

Iin

SETUP

Siena, 21-24 Oct. 2002

Test SetupTest Setup

Siena, 21-24 Oct. 2002

SA2004SA2004Tests performedTests performed

Channel efficiency checked in the Channel efficiency checked in the following condition:following condition:

» VoutVout = 5 Volt= 5 Volt» Iout Iout = 30, 40, 50 Amp= 30, 40, 50 Amp» BB = 0, 1, 3, 5 Kgauss= 0, 1, 3, 5 Kgauss

Siena, 21-24 Oct. 2002

SA2004 Test resultsSA2004 Test results

SA2004 ( 5V - 60Amp max )

404550556065707580859095

100

0 1 3 5

Magnetic Field ( Kgauss )

Eff

icie

ncy

( %

)

30 Amp

40 Amp

50 Amp

Output:

Worst Case:Worst Case:

B

Siena, 21-24 Oct. 2002

SA200xSA200xTests performedTests performed

Channel efficiency checked in the Channel efficiency checked in the following condition:following condition:

» VoutVout = 5 Volt= 5 Volt

» Iout Iout = 40, 60, 80 Amp= 40, 60, 80 Amp

» B // and B // and = 0, 1, 2, 3, 4, 5 KGauss= 0, 1, 2, 3, 4, 5 KGauss

Siena, 21-24 Oct. 2002

SA200x Test results - 1SA200x Test results - 1

Worst Case:Worst Case:New SASY Module 5V - 80 Amp

Worst Case

50

55

60

65

70

75

80

85

90

95

100

0 1 2 3 4 5

Magnetic Field ( KGauss )

Eff

icie

ncy

( %

)

40 Amp

60 Amp

80 Amp

Output:

B

Siena, 21-24 Oct. 2002

SA200x Test results - 2SA200x Test results - 2

New SASY Module 5V - 80 AmpBest Case

50

55

60

65

70

75

80

85

90

95

100

0 1 2 3 4 5

Magnetic Field ( KGauss )

Eff

icie

ncy

( %

)

40 Amp

60 Amp

80 Amp

Output:

B

Best Case:Best Case:

Siena, 21-24 Oct. 2002

ConclusionsConclusions & & CommentsComments

Test in Magnetic Field:Test in Magnetic Field:– R&D steps are completedR&D steps are completed

Test under Radiation:Test under Radiation:– known problems are solvedknown problems are solved

Components:Components:– Purchasing strategyPurchasing strategy

Time Schedule:Time Schedule:– From the prototype to the From the prototype to the

productionproduction

siena, 21-24 oct. 2002 8 th topical seminar on innovative particle and radiation detectors: progress...

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