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98.6% Efficiency, 6.6-kW Totem-Pole PFC Reference Design for HEV/EV Onboard Charger
TIDA-01604
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Key Document
- 98.6% Efficiency, 6.6-kW Totem-Pole PFC Ref Design for HEV/EV Onboard Charger (Rev. A)
(PDF 4892 KB)
27 Aug 2018
Description
This reference design functions from a base of silicon carbide (SiC) MOSFETs that are driven by a C2000 microcontroller (MCU) with SiC-isolated gate drivers. The design implements three-phase interleaving and operates in continuous conduction mode (CCM) to achieve a 98.46% efficiency at a 240-V input voltage and 6.6-kW full power. The C2000 controller enables phase shedding and adaptive dead-time control to improve the power factor at light load. The gate driver board (see TIDA-01605) is capable of delivering a 4-A source and 6-A sink peak current. The gate driver board implements a reinforced isolation and can withstand more than 100-V/ns common-mode transient immunity (CMTI). The gate driver board also contains the two-level turnoff circuit, which protects the MOSFET from voltage overshoot during the short-circuit scenario.
Features
- High-power-density, high-efficiency PFC design to power systems up to 6.6 kW
- Half-bridge- and compact isolated gate driver with reinforced isolation and two-level turnoff protection
- Full digital control with high-performance C2000™ controller to enable advanced control scheme
- 98.46% peak efficiency, greater than 0.99 power factor and less than 2% total harmonic distortion (THD)
- Three-phase interleaved operation with phase shedding control
See the Important Notice and Disclaimer covering reference designs and other TI resources.
