The embodiment of the invention relates to the technical field of integrated circuits, and discloses a double-battery-pack parallel circuit suitable for a standard charging interface and an electric vehicle. The circuit comprises a master battery pack and a slave battery pack, the external interfaces are respectively provided with two power pins, four communication pins, a single-wire serial port, an address allocation and access detection function multiplexing interface, a 485-A and single-wire serial port multiplexing interface and a 485-B interface; the two power pins comprise a power positive electrode and a power negative electrode; the four communication pins comprise a single-wire serial port, an address allocation and access detection function multiplexing interface and a 485-A and single-wire serial port multiplexing interface; when connected with a standard charger, the power supply anode interface and the power supply cathode interface of the standard charger are respectively connected with the power supply anode and the power supply cathode; the interlocking interfaces are respectively connected with the cathode of the power supply; a 485-A interface of the standard charger is respectively connected with the 485-A and single-wire serial port multiplexing interface; the 485-B interface of the standard charger is respectively connected with the 485-B interface; a reserved interface of the standard charger is suspended. By adopting the scheme, the compatibility between the lithium battery double-pack parallel connection and the standard charging interface can be realized by defining the interface pins.
本申请实施例涉及集成电路技术领域,公开了一种适用于标准充电接口的双电池包并联电路及电动车。该电路包括:主电池包和从电池包;对外接口分别设置有:两根电力插针:电源正极,电源负极,四根通讯插针:单线串口,地址分配与接入检测功能复用接口,485‑A与单线串口复用接口,以及485‑B接口;与标准充电器连接时,标准充电器的电源正极接口和电源负极接口分别与电源正极和电源负极连接;互锁接口分别与电源负极连接;标准充电器的485‑A接口分别与485‑A与单线串口复用接口连接;标准充电器的485‑B接口分别与485‑B接口连接;标准充电器的预留接口悬空。采用本方案,可以通过对接口引脚的定义,实现锂电池双包并联与标准充电接口的兼容性问题。
Double-battery-pack parallel circuit suitable for standard charging interface and electric vehicle
一种适用于标准充电接口的双电池包并联电路及电动车
2025-02-07
Patent
Electronic Resource
Chinese
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