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

Product Shot of Wolfspeed's Reference Design of a 6.6 kW Bi-Directional EV On-Board Charger

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Application Notes

User Guide

White Papers

8 Documents Available

Document Type	Document Name	Last Updated
User Guide	PRD-08381: CRD-06600FF10N 6.6kW Bi-directional EV on-board charger User Guide (PDF)	01/2024
Application Notes	PRD-05652: Mounting Recommendations and Thermal Measurement for Wolfspeed® SiC Power Devices in Through-Hole Packages (PDF)	02/2025
Application Notes	PRD-06701: Thermal Management of Bottom-Side Cooled Surface-Mount Devices & Design Considerations (PDF)	12/2023
Application Notes	PRD-08296: SiC MOSFET Short Circuit Events (PDF)	11/2023
Application Notes	PRD-06933: Capacitance Ratio and Parasitic Turn-on (PDF)	01/2023
White Papers	Designed to Last, Even in the Harshest Environments (PDF)	11/2025
White Papers	Enhancing System Durability with Advanced Packaging for Silicon Carbide (PDF)	11/2025
White Papers	SiC Power Module Reliability: Wolfspeed’s Power Cycling and Lifetime Modeling Approach (PDF) New	11/2025

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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.

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