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Product & System Solutions

OBC (On-Board Charger)

The basic function of On-Board Charger (OBC) is that the grid voltage is connected to the on-board charger through the ground AC charging pile and AC charging port to charge the on-board battery slowly.

Specification

Technology Platform

Bridge-free PFC+ full-bridge conversion technology
Input Voltage

90~264Vac；1-phase or 3-phase
Output Voltage

400V(200-500V)；800V（400-925V）
Output Power

3.3kW；6.6kW；11kW；22kW
Efficiency

94%(Typ.)；95%(max)
Packaging

Standard Metal Housing/Modular Design

Core Advantages

Size miniaturization and integration
Bidirectional transform function
400V/800V compatible design
SiC application technology
Meet functional safety requirements

Product Application Scenarios

The basic function of the On-Board Charger (OBC) is to convert the power supply from the AC charging pile into high-voltage direct current to meet the charging requirements of the power battery of electric vehicles. According to its structure, On-Board Charger (OBC) can be divided into two types: unidirectional and bidirectional. Unidirectional OBC can only charge the battery, while bidirectional OBC can convert the direct current from the battery into alternating current. It has working modes such as vehicle-to-vehicle (V2V), vehicle-to-electrical load (V2L), and vehicle-to-power grid (V2G), achieving bidirectional energy flow.