| 摘要 |
A cell balancing circuit controlling balanced discharge of a plurality of battery cells, the cell balancing circuit having a balancing part sensing voltages of the battery cells, a controller responsive to an output of the balancing part to select one of the battery cells for discharge of the cell, and a resistance controller controlling discharge of the selected cell. The resistance controller includes at least one discharge circuit connected to the battery cells; and a plurality of resistors connected to output signal channels of the discharge circuit, the resistors being selectively connected in series according to a control signal of the controller to discharge the selected cell.
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