APPARATUS AND METHOD FOR BALANCING BATTERY CELLS

摘要

An apparatus and method for balancing battery cells are disclosed. In one aspect, the apparatus includes a plurality of discharge circuits and a controller. The discharge circuits are respectively connected to the battery cells in parallel. Each discharge circuit includes a switch electrically connected to the corresponding battery cell, and the switch is configured to reduce the amount of current flowing through the battery cell when the switch is turned on. The controller is configured to turn on the switch according to a predetermined duty ratio.

主权项

1. An apparatus for balancing battery cells, the apparatus comprising:
a plurality of battery cells connected in series, wherein each of the battery cells comprises two opposing sides; a plurality of discharge circuits respectively connected to the battery cells in parallel, wherein each discharge circuit includes a switch electrically connected to the opposing ends of the respective battery cell, and wherein the discharge circuit including a discharge path is configured to bypass the battery cell when the switch is turned on; and a battery cell controller configured to output a switch control signal so as to turn on the switch according to a predetermined duty ratio.