Battery management system and driving method thereof

Details Battery management system and driving method thereof Battery management system and driving method thereof

2007-08-31

2010-06-01

Tso, Edward (Department: 2858)

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

C320S116000

Reexamination Certificate

active

07728599

ABSTRACT:
A battery management system and a driving method thereof. The battery management system manages a plurality of battery cells, and a plurality of cell relays respectively coupled to the plurality of cells. The battery management system includes a voltage detecting unit and an MCU. The voltage detecting unit receives a first voltage corresponding to an input voltage transmitted through a 3-contact relay coupled to a first cell corresponding to the turn-on first cell relay when the first cell relay is turned on, and generating a second voltage corresponding to the first voltage. The MCU calculates an effective gain in correspondence with a ratio of the second voltage to the input voltage and controls a connection of the 3-contact relay.

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patent: 2005/0046387 (2005-03-01), Aker et al.
patent: 2003-240806 (2003-08-01), None
patent: 2004-86656 (2004-03-01), None
patent: 2006-79505 (2006-07-01), None

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