| 摘要 |
A circuit for balancing a plurality of battery cells includes a controller and an electronic control unit (ECU) coupled to the controller. The controller samples multiple discharging cell voltages of the battery cells respectively at a predetermined time during a discharging state of the battery cells, and samples multiple charging cell voltages of the battery cells respectively during a charging state of the battery cells. The ECU processes the charging cell voltages and the discharging cell voltages, thereby providing control commands for the controller to control the battery cells to achieve a balance.
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