Wolfspeed E3M0032120U2/UCC25800/UCC5350 | Demoboard CRD-22DD12N-U2

Description

This reference design demonstrates the application of Wolfspeed’s 1200V SiC MOSFETs in a 22kW Bi-directional High Efficiency DC/DC Converter for electric vehicle (EV) on-board (OBC) and off-board fast charging applications. The C-series MOSFETs are ideally suited for off-board fast charging, while the automotive qualified E-Series devices are ready for the most challenging on-board applications. The top-side-cooled U2 power device offers lower parasitic inductances and facilitates automated assembly while delivering superior thermal performance. This design is intended to work with an active-front-end (AFE) converter that adjusts the input voltage to the DC/DC converter to optimize the system efficiency based on the output (battery) voltage. The range of the DC input is designed to be compatible with both single and three-phase AFE systems while supporting a wide DC output voltage range of 480V-800V. A full bridge CLLC resonant converter with a flexible control scheme; implements frequency modulation; phase shift control; adaptive synchronous rectification and a bridge reconfiguration technique.

Typical applications

• Electric vehicle (EV) on-board (OBC) and off-board fast charging

More information

• Datasheet
• IC product information