DC/DC CLLLC bidirectional power converter (REFCLLLC001)

Summary

This is a reference design for CLLLC Full Bridge Bidirectional Power Converter for electric vehicles.
By using SiC MOSFET, it can operate at high switching frequency, achieving high efficiency, small size and lightweight.

It can be used in high-power charging systems such as electric vehicle chargers, OBC, UPS and solar systems.
By using this reference design, users can accelerate the design of SiC MOSFET systems, thereby significantly shortening product development cycles.

This reference design interfaces seamlessly with ESC's "CLLLC Full-Bridge Bidirectional Power Converter for Electric Vehicles" to build applications such as OBC.
The advantages

are about 50% smaller than IGBT, high output (6.6kW), high efficiency (more than 99%), digitally controlled bidirectional output, and adjustable output voltage.
Features

DC/DC CLLLC bidirectional power conversion
charging power up to 6.6kW
DC input voltage: 390VAC～680VDC
DC output voltage: 250VDC～450VDC (336VDC, maximum 19.6A)
Maximum conversion power: 3.3kW
Rated conversion input voltage: 336VDC
rated conversion output Voltage: 504VDC
efficiency＞99%