MERSEN AND PARTNERS BEAT NEXT GENERATION DOE POWER DENSITY TARGETS THROUGH STACK REFERENCE DESIGNS, TO BE SHOWCASED AT APEC 2017

MARCH 2, 2017 – Saint-Bonnet de Mure, France<br>Mersen, a global expert 
in electrical power and advanced materials, has teamed-up with 
AgileSwitch and FTCAP to develop two high performance 3-phase SiC and 
IGBT power stack reference designs.

Mersen

MARCH 2, 2017 – Saint-Bonnet de Mure, France
Mersen, a global expert in electrical power and advanced materials, has teamed-up with AgileSwitch and FTCAP to develop two high performance 3-phase SiC and IGBT power stack reference designs.

The SiC reference demonstrator has been designed using Wolfspeed SiC modules with power density value of 16kW/L for SiC 150kVA heavy-duty Electric Vehicle (EV) inverter, exceeding US Department of Energy (DoE) 2020 roadmap.

The IGBT reference demonstrator has been designed in the frame of Infineon Industrial Power Partner Network (IPPN), powered by IGBT5 with .XT technology from Infineon and targeted for Electrical Energy Storage (EES) applications. The Silicon IGBT5 .XT 500kVA demonstrator achieved 25kW/L.

New generation of power modules, such as Infineon PrimePACK™ IGBT5 with .XT or SiC MOSFET are exhibiting enhanced power density in the same footprint. Whereas this added-value is definitely a plus for inverter or power stack designers who can therefore increase the overall system efficiency, it brings some new challenges on the cooling, bus bar, gate driver, and capacitor sides. Essentially these surrounding devices define the overall inverter dimensions and ultimately the final power density value.

“Mersen, Infineon, AgileSwitch, and FTCAP have gathered together the latest technical innovations that can be offered to our inverter manufacturer clients,” stated Dr. Philippe Roussel, VP Strategic Marketing at Mersen.

This integrated architecture approach allows inverter designers to save time and confusion in selecting individual components and can greatly benefit from a solution that is optimally pre-designed for their specific application. Power modules, bus bar, cooling, gate drivers, and capacitors can now be optimally designed together in one step to answer electrical, mechanical and thermal challenges of the system. Our philosophy being: “Design, driven by function not by component.”

The Silicon reference design is based upon three Infineon IGBT5 .XT FF1200R12IE5 modules driven by AgileSwitch PPEM series. This setup allows the 700VDC / 850 ARMS converter operating at 8kHz and delivers up to 750 kVA.

The SiC reference design is built around a 3-phase, 700 VDC / 200 ARMS water-cooled converter, powered by three Wolfspeed CAS300M12BM2 modules pushed up to 20 kHz switching using AgileSwitch’s 62EM1 Gate Driver with patented Augmented Switching and advanced fault monitoring.

For both designs, a custom DC-link capacitor bank (700V/3,500µF for IGBT and 1,000V/760µF for SiC) has been specifically developed by FTCAP to minimize the footprint and optimize the thermal transfer to the heat sink underneath. High temperature, low inductance, AC and DC Mersen laminated bus bars are designed to minimize skin-effect induced by ripple-current. Mersen high performance aluminum vacuum-brazed cold plate can dissipate up to 10kW losses for IGBT and up to 3kW losses for SiC, keeping power module Tj below 130°C. Peak efficiency exceeds 98% in both cases

Reference designs can be supported by purchasing individual components and additionally Mersen can provide assembly services.

We invite you to come and visit Mersen at booth 1303 at APEC 2017, Tampa, FL, USA in March 27th -29th.

With industrial operations in all three major economic regions of the globe, we look forward to discussing your application and working together to design and develop your best solution for your power conversion application.

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ABOUT  MERSEN
Global expert in electrical power and advanced materials, Mersen designs innovative solutions to address its clients' specific needs to enable them to optimize their manufacturing process in sectors such as energy, transportation, electronics, chemical, pharmaceutical, and process industries. Mersen Electrical Power provides a comprehensive line of current-limiting fuses (low voltage, general purpose, medium voltage, semiconductor, miniature and glass, and special purpose) and accessories, fuse blocks and holders, power distribution blocks, low voltage disconnect switches, surge protective devices, high power switches, heatsinks, laminated bus bars, and more. For more information, call 978-462-6662 or visit ep.mersen.com.

Contact
Philippe ROUSSEL, PhD
VP Strategic Marketing
Email: philippe.roussel@mersen.com

ABOUT INFINEON
Infineon Technologies AG is a world leader in semiconductor solutions that make life easier, safer and greener. Microelectronics from Infineon is the key to a better future. Infineon is listed on the Frankfurt Stock Exchange (ticker symbol: IFX) and in the USA on the over-the-counter market OTCQX International Premier (ticker symbol: IFNNY). http://www.infineon.com  

ABOUT AGILESWITCH, LLC
AgileSwitch is a leading developer of Intelligent Gate Drivers and Stack Electronics for IGBT and WBG Devices. AgileSwitch products feature patented switching techniques, advanced fault monitoring and software configurability which enable our customers to rapidly design efficient, reliable inverter/converter systems. http://www.agileswitch.com/

ABOUT FTCAP
FTCAP has more than 65 years of experience in the development and production of capacitors used in diverse industries. The product spectrum includes both film and aluminum electrolytic capacitors. http://www.ftcap.de/  

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