Power supply system of series battery pack

The invention discloses a power supply system of a series battery pack. The first end of the discharge transistor is connected with the anode of the first internal diode of the discharge transistor. The second end of the discharge transistor is connected with the cathode of the first internal diode. The first end of the charging transistor is connected with the second end of the discharging transistor and the cathode of the second internal diode of the charging transistor. The second end of the charging transistor is connected with the anode of the second internal diode and the positive end of the battery circuit. The positive input end of the bypass circuit is connected with the cathode of the first internal diode. The negative input end of the bypass circuit is connected with the negative end of the battery pack. 本申请公开一种串联电池组的供电系统。放电晶体管的第一端连接放电晶体管的第一内部二极管的阳极。放电晶体管的第二端连接第一内部二极管的阴极。充电晶体管的第一端连接放电晶体管的第二端以及充电晶体管的第二内部二极管的阴极。充电晶体管的第二端连接第二内部二极管的阳极以及电池电路的正端。旁路电路的正输入端连接第一内部二极管的阴极。旁路电路的负输入端连接电池组的负端。