Battery management system including switch

摘要

A battery management system (BMS) in which a battery protection circuit controls a main switch using hardware without software control, thereby coping with troubles in the BMS or software errors.

主权项

1. A battery management system (BMS) for managing a power supply from a battery to an inverter, comprising:
a reference voltage generator connected in parallel to the battery and configured to generate a reference voltage; a comparator for comparing a battery voltage from a terminal of the battery with the reference voltage output by the reference voltage generator; a charge pump connected between the reference voltage generator and the comparator; and a switch for blocking a current flow of the battery according to an output signal generated by the comparator.