Battery management control device with active and passive equalization functions

The utility model discloses a battery management control device with active and passive equalization functions. The battery management control device is arranged on an electric automobile. The battery management control device is electrically connected with a charge and discharge management chip, a storage battery, power batteries and a BCU of the electric automobile respectively. The battery management control device comprises a switch array, an isolation CAN circuit, an isolation module circuit, an operational amplifier circuit, an MCU and a decoder circuit. The storage battery is electrically connected with the MCU via the isolation module circuit. The BCU is electrically connected with the MCU via the isolation CAN circuit. The MCU, the decoder circuit, the switch array and the power batteries are electrically connected in turn. The MCU, the operational amplifier circuit and the switch array are electrically connected in turn. The charge and discharge management chip is electrically connected with the switch array and the MCU respectively. The battery management control device has characteristics of being simple in structure, low in cost, small in size and easy in realization of mass production.