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ZVEI Passive Markus Stöger R&D Recom POWER SUPPLIES FOR DISTRIBUTED POWER ARCHITECTURE

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Page 1: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

ZVEI Passive

Markus Stöger

R&D Recom

POWER SUPPLIES FOR DISTRIBUTED POWER ARCHITECTURE

Page 2: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

■ RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC &

DC/DC converters as well as switching regulators and LED drivers around the globe.

■ RECOM is the global leading brand for low power converter modules as well as the fastest growing

power supply company on the market and provides a world class rep & distribution network.

■ RECOM simplifies and accelerates the development process of power supply design for its customers

products, speeding up their time-to-market.

2

RECOM. A Success Story Over 45 Years

Page 3: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Power Supplies for Distributed Power Architecture

Innovative. Efficient. Extremely Reliable!

The concept of distributed power architecture,

the combination of a centralized switching power

supply with many local “on board“ converters,

enables developers to come up with much more

flexible and efficient designs.

Today, "off-the-shelf" modules are available for

virtually any application in the industrial, telecom,

medical, railway, transportation, and energy sectors.

3

Page 4: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

■ 1975 Founding of RECOM Electronic in Dietzenbach, Germany

■ 2003 Founding of RECOM Engineering and RECOM Power in Gmunden, Austria

■ 2004 Expansion to Asia – RECOM Asia, Singapore

■ 2006 Expansion to the Americas – RECOM Power in New York, USA

■ 2007 Opening environmental and reliability test lab in Gmunden, Austria

■ 2012 Worldwide expansion, new business unit RECOM Lighting

■ 2012 Opening of SMT-Manufacturing RECOM Technology in Kaohsiung, Taiwan

■ 2014 Opening of the new headquarters in Gmunden, Austria

Expansion to Japan – RECOM Power in Tokyo, Japan

4

History

Page 5: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

■ 2015 Opening of State-of-the-Art EMC Lab in Gmunden, Austria

■ 2016 Relocation of US office to Denver, USA

■ 2017 Establishment of RECOM Power Xiamen, China

■ 2018 Creation of Power Solutions in Vienna, Austria

■ 2019 Acquisition of the power specialist “Power Control Systems Srl” (PCS) in Veneto, Italy

5

History

Page 6: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

6

Global Structure

Page 7: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Headquarters

The RECOM Headquarters located in Gmunden / Austria

Research and Development Department

Quality Lab

Application Engineering

Test and EMC Lab

Global Logistics

Marketing

Finance Center

7

Page 8: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Headquarters

3000m² effective area divided in 3 floors

3 high-tech laboratories including:

State-of-the-art EMC lab

X-Ray microscope

High-resolution thermal camera

HALT & Environmental test chambers

Modern low-energy building

Global logistics center

8

Page 9: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

EMC Lab

Semi-Anechioc 3m chambers for pre-compliance EMI

measurements in Gmunden and Vienna

GTEM cell for radiated immunity testing

ESD, burst, and surge testing

RECOM offers “POWER SUPPLY MEETS EMC-KNOW

HOW” seminars:

recom-power.com/emc

9

Page 10: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

10

Best-In Class Distribution Network

Page 11: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Product Portfolio

DC/DC converters (0.25W – 240W)

Variety of package styles and sizes (THD, SMD)

Industry standard input/output voltages

High isolation up to 20kVDC/1Sec

Global certifications (UL/IEC/EN62368, ES/UL/IEC/EN60601...)

Suitable for a wide variety of applications:

Industrial, Medical, Railway, Energy, Instrumentation, Inverters,

Telecom, etc.

11

Page 12: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Product Portfolio

AC/DC converters (1W – 960W)

DIN-Rail, board mounted, wired, open frame

Universal input voltage range for 100V-230V-277V-480V

Extended warranty up to 7 years for Din Rail and 5 years for Medical

Global certifications (UL/IEC/EN62368, IEC/EN60335-1,

ES/UL/IEC/EN60601, IEC61558-2-16)

Suitable for a wide variety of applications:

Industrial, Medical, IoT, IIoT, Machinery,

Instrumentation, Audio/Video, etc.

recom-power.com/acdc

12

Page 13: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Product Portfolio

Switching regulators (Non-Isolated DC)

Buck, Boost, and Buck/Boost topologies

THD (3-pin, 12-pin), SMD (DOSA-compatible footprint), wired, QFN

High efficiencies up to 99%

Low EMC noise

Wide input voltage ranges

Easy-to-use, expedite time-to-market

13

Page 14: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Product Portfolio

AC/DC LED drivers (3W – 25W)

CC/CV mode

Global certifications (ENEC, UL, PSE, EN)

Small packages, low profile

DALI accessories:

DALI bus power supply, DALI dimming interface

DC/DC LED driver (1W – 65W)

Wide input range (~60V)

PWM/1-10 analog dimming

Small packages

Buck, buck-boost

THD, SMD, wired

High efficiencies up to 96%

EN/UL60950, EN50121

14

Page 15: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Product Portfolio

Reference Design & Evaluation Boards

Reference design boards and evaluation boards speed up development time.

IoT sensor eval board

Evaluation Boards for RPM and RPX Power Modules

Evaluation Board for RBB10 Buck/Boost Converter

R-78S evaluation board allows battery calculations

Reference Board for isolated ISO1042 CAN Transceiver

Complete reference designs for DC/DC railway converters

Reference Design, R-78S boosts a AA battery to continuous 3.3V for IoT

Half-bridge Reference Design for IGBT, SiC & GaN transistors

recom-power.com/evalboards

15

Page 16: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Product Portfolio

Medical DC/DC and AC/DC (1W – 550W)

THD, SMD, wired, open frame, metal enclosure

Reinforced isolation with 2MOPP (250Vrms)

Very low leakage current (BF/CF grade)

IEC/EN/ES/UL 60601-1 (3rd edition)

Customized solutions available

recom-power.com/medical

16

Page 17: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Product Portfolio

Railway DC/DC (8W - 240W)

Input range from 9 to 160VDC

Isolation from 1.6 to 3kVDC

Standard railway packages with optional baseplate or heatsink

Rugged design for harsh environments

CE, EN50155, EN/IEC/UL60950

Customized solutions available

recom-power.com/railway

17

Page 18: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Custom Specific Design Solutions

18

POWER CONTROL SYSTEMS s.r.l. a new member of the RECOM group since 2019

Founded in 1980

Leading company in switching power supplies

Highest quality and reliability standards for safety critical applications

Wide range of custom specific design solutions made in the EU

Guaranteed testing during every phase of the production process, from design to delivery (including active BURN-IN cycle and full reports)

Main application areas

Railway (on-board and track-side applications) Transportation Military, Nautical, and Avionics Telecommunication Industrial Harsh environments

Page 19: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Custom Specific Design Solutions

19

DC/DC, AC/DC, DC/AC SOLUTIONS

Rating MAX MIN MAX

Input voltage Output power

AC/DC up to 400V 1W 30KW

DC/DC up to 800V 1W 30kW

DC/AC up to 200V 100W 30kW

Specifications

Output voltage (single & multiple) up to 400V

Output current 250A

Operating temperature °C -55°C to +85°C

Efficiency up to 96%

Mechanical features (examples)

Open card n

Closed box n

19” rack module n

Resinated module n

DIN-Rail n

DieCast Aluminium Box n

Connecting interfaces n

Screw connectors n

DIN 41612 connectors n

Wired connectors (e.g. Molex etc.) n

Spring connectors (e.g. Wago etc.) n

Pressfit connectors n

DSUB connectors n

MIL connectors n

Industrial connectors (e.g. Harting etc.) n

Standards & Certifications All safety standards & certifications applicable for: Railway,

Industrial, Medical, Military, Nautical, Aviation etc.

Page 20: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Certifications

ISO-9001 ISO-14001 IATF 16949

20

IRIS

Page 21: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Industries

21

Industrial, IIoT, IoT

42%

Others

5%Telecom

2%

Lighting

2%

Medical

10%

Railway

7%

Transportation

12%

Test and

measurement

6%

Energy

14%

Industrial, IIoT, IoT

Others

Telecom

Lighting

Medical

Railway

Transportation

Test and measurement

Energy

Page 22: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

22

Global Customers

Page 23: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Main Offices

RECOM Electronic

Frankfurt, Germany

RECOM Power

Denver, USA

RECOM Asia

SingaporeRECOM Power

Tokyo, Japan

RECOM Asia

Shanghai, China23

Power Control Systems

Veneto, Italy

Page 24: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Factories

RECOM Technology

Kaohsiung, TaiwanRECOM Manufacturing

Kaohsiung, Taiwan

RECOM Power Xiamen

Xiamen, China

24

PCS Manufacturing

Veneto, Italy

Page 25: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Zukünftige Anforderungen an passive Bauelemente bei WBG Anwendungen

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Page 26: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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6,3” x 4”

≈250W/dm3

2”x 4“

≈1KW/dm3

?

Beinahe perfekte Transistoren sind verfügbar • Höhere Schaltfrequenzen

• Kleinere Bauform

• Ressourcenschonend

Page 27: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Spannungslevel

Mittel und Hochspannung Netzanwendungen < 100V

Page 28: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Spannungslevel

Mittel und Hochspannung Netzanwendungen < 100V

Page 29: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Spannungslevel

Mittel und Hochspannung Netzanwendungen < 100V

Page 30: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Schaltgeschwindigkeiten (600V Bauteile)

• GaN HEMT > 100MHz (Datenblatt)

• SIC MOSFET mehrere kA /µS

• SI Superjunction MOSFET >100V/ns

• SI Trench IGBTs >20V/ns

Page 31: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Beispiel: 1 phasiges Power Supply

Page 32: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Beispiel: 1 phasiges Power Supply

Page 33: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Anforderungen an den Netzfilter :

• Effektiv bei höheren Schaltfrequenzen

• Wirkungsvoll auch im höheren Frequenzbereich

• Kompakt (gilt für sämtliche Komponenten)

Page 34: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Leitungsgebundene Messungen von 150kHz bis 30Mhz

Page 35: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Leitungsgebundene Messungen von 150kHz bis 30Mhz

Page 36: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

Zukünftige Anforderungen an passive Bauelemente bei WBG Anwendungen

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Leitungsgebundene Messungen von 150kHz bis 30Mhz

Gängige Methode war es die Schaltfrequenz unter 150 kHz zu wählen.

Beispiel 45 kHz ,70kHz oder 140 kHz

Bei 140 kHz musste die Grundwelle der Schaltfrequenz nicht mitgemessen werden

Bei 70 kHz die erste harmonische auch nicht

Bei 45 kHz die zweite auch nicht.

Page 37: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Leitungsgebundene Messungen von 150kHz bis 30Mhz

Page 38: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Schaltflanken werden schneller

Rise and fall times bei Siliziumbauteilen im Hinblick auf EMV

Ideal: 400ns

Gängig : 200ns

Sehr schnell: 50ns

Bei GaN:

<50 ns

1-4 ns

Page 39: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Impedanzen einer CMC ( Quelle Pulse)

Page 40: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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PFC stage

Page 41: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Es existieren viele Möglichkeiten einen PFC zu realisieren

Page 42: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Anforderungen an die PFC Drossel

• Kleinere Bauform bei gleichen Verlusten

• Idealerweise mit E-Feld Abschirmungen

• Verteilter Luftspalt

• Ausgelegt für schnelle Schaltflanken

Page 43: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Schnelle Schaltflanken: Was bedeutet das?

Vivien Grau

Durchgeführte Tests:

• Standartisierter Isolationstest von 5kV

• Bipolare Rechteckspannung mit Uin:400VDC

14V/ns

107V/ns

Page 44: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Vivien Grau

Page 45: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Schnelle Schaltflanken: Was bedeutet das?

Vivien Grau

500kHz Schaltfrequenz

107 V/ns

Isolationsversagen nach wenigen

Minuten

Page 46: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Andere Effekte:

Einfluss höherer Resonanzfrequenzen bei einer Induktivität

Prof. Dr. –Ing. Alexander Stadler

Page 47: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Andere Effekte:

Einfluss höherer Resonanzfrequenzen bei einer Induktivität

Prof. Dr. –Ing. Alexander Stadler

Page 48: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Andere Effekte:

Page 49: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Zwischenkreis Kondensator

Page 50: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Schaltzelle Schaltzelle mit parasitären Induktivitäten

LLayout

LLayout

LPackage

LPackageESL

ESL

LParasitic

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LParasitic

+

+

-

-

Polaritäten Highsideschalter eingeschaltet

Page 52: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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LParasitic

+

+

-

-

Polaritäten während Schaltvorgang

𝑑𝑖

𝑑𝑡

Page 53: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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LParasitic

+

+

-

-

Polaritäten während Schaltvorgang

𝑑𝑖

𝑑𝑡 𝑈 = 𝐿 ∗𝑑𝑖

𝑑𝑡

Page 54: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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LParasitic

+

+

-

-

Polaritäten während Schaltvorgang

𝑑𝑖

𝑑𝑡 𝑈 = 𝐿 ∗𝑑𝑖

𝑑𝑡

Page 55: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Rechenbeispiel 1:

Layoutinduktivität: 15 nH

(entspricht in etwa 2,5 cm Leitung)

ESL vom Zwischenkreiskondensator: 32nH

Vishay MKP1848

Package Induktivität 2nH

di/dt = 30A/3ns

U=L*di/dt = (15nH+32nH+2nH) *30A/3ns= 490V

Page 56: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Rechenbeispiel 1:

Layoutinduktivität: 15 nH

(entspricht in etwa 2,5 cm Leitung)

ESL vom Zwischenkreiskondensator: 4nH

TDK Ceralink

Package Induktivität 2nH

di/dt = 30A/3ns

U=L*di/dt = (15nH+4nH+2nH) *30A/3ns= 210V

Page 57: ZVEI Passive Markus Stöger R&D Recom - GaNonCMOS...2020/03/24  · RECOM is an international corporation which develops, manufactures, and sells innovative AC/DC & DC/DC converters

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Rechenbeispiel 1:

Layoutinduktivität: 1,5 nH

(entspricht in etwa 2,5 mm Leitung)

ESL vom Zwischenkreiskondensator: 4nH

TDK Ceralink

Package Induktivität 2nH

di/dt = 30A/3ns

U=L*di/dt = (1,5nH+4nH+2nH) *30A/3ns= 75 V

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58

Schnelles Schalten erfordert niedrige parasitäre Induktivitäten

Nicht nur bei der Konstruktion des Kondensators, sondern auch durch das Layout, also

der Entfernung zur Schaltzelle

Dadurch werden die Kondensatoren zusätzlich durch die Verlustleistung der Halbleiter

erwärmt.

Maximale Junctiontemperatur von GaN liegt bei 150°, von SiC bei 175° (limitiert vom

package)

D.h. der Zwischenkreiskondensator limitiert die Gesamtperformance.

(Ceralink funktioniert bereits bis 150°….)

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59

Schaltzelle

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60

Schaltzelle

Power GND

Signal GND

+Vout

-Vout

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61

Höhere Schaltfrequenz = höherer Stress auf die Isolation

Isolationsmaterialien

altern !!!!!

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62

Angaben bei Isolierstoffen

Durchschlagspannung [kv/mm]

• Mehrere kV/mm

• Angabe im Neuzustand

• Angabe meist DC oder 50-60Hz AC

• Temperatur abhängig

• Spannungsanstiege im Bereich 500V/s

• Dickenabhängig

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63

Angaben bei Isolierstoffen Durchbruchspannung fester Isolationen

Aus der IEC 60664-4

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64

Angaben bei Isolierstoffen

Durchbruchspannung vs.

Materialstärke bei Polyesterfolie

(Quelle: CMC)

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65

Angaben bei Isolierstoffen

Isolierstoffklassen

Gibt an bei welcher Dauergebrauchstemperatur die

Durchschlagspannung nach 20.000 Stunden, d.h. ca. 2,3

Jahre auf 50% sinkt

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66

Angaben bei Isolierstoffen

Erreichen der halben Durchschlagspannung nach UL746B (Quelle: CMC)

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68

Durchschlag in Gasen

Vor dem Durchschlag Durchschlag Nach dem Durchschlag

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69

Durchschlag in Gasen

Paschenkurve Durchbruchspannung vs. Frequenz in Luft bei AtmosphärendruckIEC 60664-4

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70

Teilentladung

Teilentladung ist eine Plasmabildung innerhalb von

Gaseinschlüssen

Teilentladung tritt sowohl bei organischen als auch

bei anorganischen Isolierungen auf

Bei organischen tritt allerdings ein Carbonisierung

der Oberfläche auf,was zur Isolationsschwächung

führt

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71

Teilentladungsprüfung

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72

Teilentladungsprüfung

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Zukünftige Anforderungen an passive Bauelemente bei WBG Anwendungen

73

Teilentladungsprüfung

Abhängigkeit Lebensdauer vs. Betriebsspannung mit Teilentladung (Dupont)

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74

Einfluss auf die Lebensdauer

• Temperatur

• Frequenz

• Druck (Meereshöhe)

• Spannungsstress / Teilentladung

• Zusätzlicher Stress durch Resonanzen

• Spannungsspitzen durch di/dt

• Dicke der Isolation

• dv/dt

• ……

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75

Gate Übertrager

Teilweise unzureichend definierte Betriebsspannungen

Nicht standardisiert.

Beispiel:

Isolation voltage :1000VRMS

The isolation test voltage represents a measure of immunity to

transient voltages and the part should never be used as an

element of a safety isolation system. The part could be

expected to function correctly with several hundred volts offset

applied continuously across the isolation barrier

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76

Gate Übertrager

Beispiel:1500Vrms isolation (380Vrms continuous)Operating frequency: 50kHz and up

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77

Barrier Insulation Evaluation & Research

Priv.-Doz. Dipl. –Ing. Dr.techn. Christof Sumereder / TU Graz, FH JohanneumRecom Team

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78

Barrier Insulation Evaluation & Research

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79

Barrier Insulation Evaluation & Research

Test Parameter

Testdauer: 1464h

Testspannung: 1000V

Umgebungstemperatur: 70°C

R12P22005D 93°C

C2M1000170D-NC 116°C

Schaltfrequenz 50kHz

dv/dt 65kV/µs

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80

Barrier Insulation Evaluation & Research

Teilentladungsmessungen MPS TPP15

0,00

0,50

1,00

1,50

2,00

2,50

3,00

3,50

4,00

4,50

5,00

UPD Peak [KV] before Test

0,00

0,50

1,00

1,50

2,00

2,50

3,00

3,50

4,00

4,50

5,00

UPD Peak [kV] after Test

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81

Resonanzkondensator

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82

Resonanzkondensator

Frequenz vs AC Spannung bei 10k EigenerwärmungWima MKP10

Tmax: 100-110°C

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83

Resonanzkondensator

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84

Transformator

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85

Transformator

Ferritkern

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86

61558-2-16

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87

Spannungslevel

Mittel und Hochspannung Netzanwendungen < 100V

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■ Erhöhung der Leistungsdichte von <100V DCDC

Wandlern durch Embedden von Bauteilen und der

Integration von GaN auf Silizium

■ Endziel: Wafer zu Waver Bonden vom GaN

Halbleiter zum Cmos Treiber.

88

GaNonCMOS – European project

PCBL

IHP Dr_v4/Ctrl_v3

IAF GaN

PCB DEMO(niedrige

Integration)

CHIP DEMO(hohe Integration)

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GaNonCMOS ist ein Horizon 2020 Projekt, 2017-2020 6.2M€ budget, 10 Firmen

Hohe Frequenzen(100MHz-200MHz wurden angestrebt)

Entwicklung von einem GaN Transistur und dessen Charkterisierung(Epigan, IAF, KUL)

Entwicklung des Treibers(IHP)

Neue Magnetische Materialien zum einbetten in der Leiterplatte (Tyndall, AT&S) + Charakterisierung(Tyndall, RECOM)

Neues Testequipment wurde benötigt, neue Prozesse(IBM – wafer to wafer bonding)

Marktanalyse und Projektmarketing (PNO, RECOM)

89

GaNonCMOS – Aufgaben

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Volumensreduktion der passive Komponenten

Verbesserung der Regelung (transient response)

Schaltverluste steigen- GaN hilft hier

Magnetische Materialien für höhere Frequenzen sind Mangelware

EMI kann Probleme Machen (hohes dv/dt)

Parasitische Effekte wirken sich verstärkt aus

Schnelle Treiber sind nicht verfügbar

Höhere Leistungsdichte = höhere thermische Belastung

Teureres Equipment wird zum Messen benötigt.

90

GaNonCMOS – Hohe Frequenzen

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Suche nach Materialien zum Einbetten

AT&S bettet das “sheet Material” ein– Ringkern wurde gewählt fürPCB Demos

Delamination des PCBs nach dem reflow-Löten bei einigen Materialien

Tyndall entwickelt neue CZT und Ni/Fe Dünnschicht Materialien für CHIP Demos (mehrere

10 MHz)

91

GaNonCMOS – Magnetics

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Ringkern mit Sheet Material

Dicken bis 500µm sind möglich

Luftspalte sind ebenfalls möglich

92

GaNonCMOS – Magnetics

Größere Flächen sind

möglich (Wireless charger

demo)

50mmx50mmx500um,

1.1mm PCB Dicke, 5V/1.3A

Erste Tests des Materials

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■ Eingebettete Induktivität in einem buck converter

93

GaNonCMOS – Magnetics

Wurth ECP 006ECP 004

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PCB Demo 6

Buck Converter 36Vin/3Aout; Vout runter bis1V

Demonstriert eingebettete Induktivität

2.1MHz Schaltfrequenz

Flaches Design

94

GaNonCMOS – PCB Demos

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PCB Demo 6 v1 – Lebensdauer tests – HTHH (High Temperature High Humidity)

■ 85C/95RH 2x96hours unbiased

■ 5 samples PCB-DEMO-6,

■ 1 sample mit standard chip Drossel

■ Wirkungsgrad – verringert sich nach 96h, keine weitere Veränderung nach192h

95

GaNonCMOS – PCB Demos

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PCB Demo 6 v1 – Lebensdauer Test– HTHH (High temperature High Humidity)

96

GaNonCMOS – PCB Demos

Efficiency vs Load Over Vin _Eff_Bef96h_

0

10

20

30

40

50

60

70

80

90

100

0 0,5 1 1,5 2 2,5

Load Current [A]

Eff

icie

nc

y [

%]

Eff@4,0V

Eff@4,1V

Eff@4,3V

Eff@4,5V

Eff@5,0V

Eff@9,0V

Eff@12,0V

Eff@15,0V

Eff@18,0V

Eff@24,0V

Eff@30,0V

Eff@36,0V

GOC0140 _Eff_Bef96h_

Efficiency vs Load Over Vin _Eff_Aft96h_

0

10

20

30

40

50

60

70

80

90

100

0 0,5 1 1,5 2 2,5

Load Current [A]

Eff

icie

nc

y [

%]

Eff@4,0V

Eff@4,1V

Eff@4,3V

Eff@4,5V

Eff@5,0V

Eff@9,0V

Eff@12,0V

Eff@15,0V

Eff@18,0V

Eff@24,0V

Eff@30,0V

Eff@36,0V

GOC0140 _Eff_Aft96h_

Efficiency vs Load Over Vin _Eff_Aft192h_

0

10

20

30

40

50

60

70

80

90

100

0 0,5 1 1,5 2 2,5

Load Current [A]

Eff

icie

nc

y [

%]

Eff@4,0V

Eff@4,1V

Eff@4,3V

Eff@4,5V

Eff@5,0V

Eff@9,0V

Eff@12,0V

Eff@15,0V

Eff@18,0V

Eff@24,0V

Eff@30,0V

Eff@36,0V

GOC0140 _Eff_Aft192h_

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PCB Demo 6 v1 – Lebensdauertests – HTHH (High Temperature High Humidity)

2 Eingebettete Drosseln 96h Induktivität nimmt leicht ab

97

GaNonCMOS – PCB Demos

0,6

0,8

1,0

1,2

1,4

1,6

1,8

2,0

0 2 4 6

Ind

ucta

nce [u

H]

current [A]

1MHz

1MHz 96hrs

0,6

0,8

1,0

1,2

1,4

1,6

1,8

2,0

0 2 4 6

Ind

ucta

nce [u

H]

current [A]

5MHz

5MHz 96hrs

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PCB Demo 6 v1 – Lebensdauer tests – TC (Temperature Cycling)

■ 300 Zyklen -40C/85C, biased, 4 samples (25 days), keine Ausfälle

98

GaNonCMOS – PCB Demos

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Vollautamitisierte Charakterisierung der Induktivität

■ Impedance analyzer (messt bis 500MHz)

■ Mit Bias

■ Mehrere Samples werden multiplexed

■ Messsoftware und Hardware wurde selbst entwickelt

99

GaNonCMOS – PCB Demos

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PCB Demo 6 v2 – inductance of the embedded inductor in temperature

100

GaNonCMOS – PCB Demos

-

0,50

1,00

1,50

2,00

2,50

-55 -45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105 115 125 135

Ind

ucta

nce [u

H]

Temperature [deg C]

Y2 1.01 1GAP 1MHz temperature

0A

0.25A

0.5A

1A

2A

3A

0,40

0,45

0,50

0,55

0,60

-55 -45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105 115 125 135

Ind

ucta

nce [u

H]

Temperature [deg C]

Y2 1.01 3GAP 1MHz temperature

0A

0.25A

0.5A

1A

2A

3A

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Isolierter demonstrator

■ 5V auf 5V demonstrator

101

GaNonCMOS – PCB Demos

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PCB Demo 4 Magnetic on Silicon Gate Drive Transformer

12V to 1.5V LLC converter

10MHz Schaltfrequenz(100MHz ist unrealistisch)

resonant tank Drossel and Trafo (Tyndall) und Treiber (IHP) – gebondet aufs PCB

102

GaNonCMOS – PCB Demos

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CHIP Demo 1 (start der ersten Prototypenfertigung)

■ 12V to LV (e.g.1V) single phase buck

■ Trial of direct wafer bonding EpiGaN wafer with IAF d-HEMT on to a silicon wafer with IHP driver

■ GaN and Si Wafers are designed to match

■ Placed on the PCB with embedded inductor

■ Allows high speed switching and further miniaturization – chip power modules

103

GaNonCMOS – CHIP Demo

PCBL

IHP Dr_v4/Ctrl_v3

IAF GaN

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• Höhere Frequenzen

• Höhere Temperaturen

• Kleinere Bauformen

• Höhere Leistungsdichte (Integration)…

• Robust gegen schnelle

Spannungsänderungen (dv/dt)

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105

Da wäre noch eine Sache….

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Integration bedeutet oft reduzierung des

Verschmutzungsgrades

IP6x bzw Vollverguss wird angewandt

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www.recom-power.com

Danke