Apparatus and method of controlling switch units, and battery pack and battery management apparatus comprising said apparatus
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United States of America Patent
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Nov 25, 2014
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N/A
app pub date -
Sep 20, 2013
filing date -
Sep 1, 2008
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Abstract
Disclosed are an apparatus and method of controlling switch units between a battery pack and a load, and a battery pack and a battery management system comprising the same. The apparatus comprises a memory for storing the turn-off number and order of first and second switch units connecting the battery pack with the load according to current ranges; and a control unit for equalizing the turn-off order of the first switch unit and the second switch unit with reference to the turn-off number and order in a current range corresponding to a magnitude level of discharge current of a battery. Accordingly, the present invention reduces the frequency of breakdown or malfunction of the switch units and increases the using period of the switch units.
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