As AI scales, a greater lens is on the upstream power sources that are expected to keep up with rapidly expanding data center deployments. Amperesand is helping build the cornerstone of tomorrow’s grid by developing highly reliable, medium voltage (MV) SiC-based solid state transformers. Read more to learn how Amperesand and Wolfspeed partnered to make it happen.
6.6 kW Bi-Directional Totem-Pole PFC and CLLC, High Efficiency
CRD-06600FF10N
- Demonstration of 1000 V; 65 mΩ C3M™ Silicon Carbide 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
- Wolfspeed’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

Knowledge Center
PowerMakers:
How Wolfspeed’s Fayetteville Team Turns Silicon Carbide Expertise into Customer Momentum
At our Fayetteville site, Ty McNutt and his team don’t just solve for specs —they rethink systems. That’s the difference between supplying parts and becoming the partner customers rely on.