| 摘要 |
In accordance with an embodiment, a bi-directional charging circuit has a battery coupling node output configured to be coupled to a battery cell, an input coupled to a common node of the battery management system, and a controller coupled to the bi-directional charging circuit. The controller is configured to operate the bi-directional charging circuit in a charging mode to transfer charge from the common node to the battery coupling node, and operate the bi-directional charging circuit in a discharge mode to transfer change from the battery coupling node to the common node.
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