The structure and circuit design of vehicle-mounted OBC

On-board chargers can be divided into unidirectional on-board chargers, bidirectional on-board chargers and integrated on-board chargers. Unidirectional on-board chargers only have charging functions, while bidirectional on-board chargers have inverter functions in addition to charging functions, which can realize power conversion of V2L (Vehicle to Load) and V2G (Vehicle-to-grid). Integrated on-board chargers integrate on-board power sources such as OBC, DC-DC, and PDU to improve system performance and reliability.