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APEC 2020

We support APEC's difficult decision to suspend its in-person conference in light of COVID-19. Stay healthy and stay tuned as we work to deliver our planned presentations and demonstrations in a digital format.

Demonstrations for Wolfspeed

6.6 kW Bi-Directional On-Board Charger

Learn about the future of bi-directional OBCs powered by Wolfspeed’s 650 V SiC MOSFET. Wolfspeed’s award-nominated reference design illustrates unparalleled power density in this next generation technology. Featuring: Wolfspeed 650V Schottky Diodes and 650V MOSFETs

6.6 kW High Frequency Full-Bridge LLC DC/DC Converter

Imagine your design potential with the 650 V Sic MOSFET’s faster switching speeds. This LIVE demo showcases the breakthrough power switching conversion unimagined by outdated silicon counterparts.

300 kW Three Phase Inverter

Optimized for Wolfspeed’s SiC MOSFETS, this 3 Phase Inverter is thermally and electrically optimized in state-of-the-art packaging. Unleash the power of your application in a module sized for efficient and space-limited environments. Featuring: Wolfspeed XM3 Modules

Juried Presentations

SiC Power Technology: Answering Automotive Readiness

Monday, March 16, 2020 4:30-5:00pm | Location: Great Hall A | Speaker: John Palmour

View on APEC Website

Reference Designs


  • Enables over 2x the power density of comparable Si based designs and >98% efficiency.
  • Switching frequency is set by the user, up to 80 kHz.
  • Uses the CAB450M12XM3 Module and CGD12HBXMP Gate Driver
  • Request the full design files using the button above.
Product Shot of Wolfspeed's Reference Design of a 6.6 kW Bi-Directional EV On-Board Charger


  • Demonstration of 1000 V, 65 mΩ C3M™ SiC MOSFET in a 6.6 kW Bi-Directional EV On-Board Charger
  • 6.6 kW Bi-Directional EV On-Board Charger demo board consist of a Bi-Directional Totem-Pole PFC (AC/DC) stage and an Isolated Bi-Directional DC/DC stage based on CLLC topology with a variable DC Link Voltage
  • Cree’s 6.6 kW Bi-Directional EV On-Board Charger demo board can accept 90VAC-265VAC as an input and provide 250VDC-450VDC at the output with > 96% of efficiency in both charging and inversion modes
  • Main target applications of this demo board include: EV Charging industry and the Energy Storage industry
  • Documentation includes a bill of materials (BOM), schematic, board layout and the application note
Product shot of Wolfspeed's KIT-CRD-3DD065P Evaluation Board.


  • Evaluate and optimize steady state and high speed switching performance of Wolfspeed C3M™ SiC MOSFETs and Schottky diodes
  • Analyze the evaluation board in versatile power conversion topologies, such as Synchronous / Asynchronous Buck or Boost converter, Half Bridge and Full Bridge (Please note: Full Bridge topology requires 2 Evaluation Kits)
  • Board features footprints for both 3 and 4 lead TO-247 packages of C3M™ SiC MOSFETs
  • Compatible with both TO-247 and TO-220 packages of SiC Schottky diodes
  • Does not require an additional capacitor to run the evaluation board in the buck or boost converter topologies
  • Two (2) dedicated gate drivers available on the board for each C3M™ SiC MOSFET
  • Includes (2) 1200 V, 75mΩ C3M™ SiC MOSFETs in a TO-247-4 Package with the testing hardware


Use Silicon Carbide Based MOSFETs to Improve Power Conversion Efficiency

The trends of higher power requirements, regulatory mandates, and standards on efficiency and EMI issues are driving the need for power supplies to use switching power devices due to their greater efficiency and wider operating range
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