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Protection circuit for battery pack, battery pack including the protection circuit, and method of operating the battery pack

  • US 20090085519A1
  • Filed: 08/22/2008
  • Published: 04/02/2009
  • Est. Priority Date: 09/27/2007
  • Status: Active Grant
First Claim
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1. A protection circuit of a battery pack, comprising:

  • a charge/discharge element unit positioned in a high current path of the battery pack;

    a temperature sensor positioned at one side in the battery pack, for sensing a temperature of a battery; and

    a primary protection circuit connected to the temperature sensor and the charge/discharge element unit, for controlling the charge/discharge element unit based on whether the temperature sensed by the temperature sensor is within the range of a reference operation temperature.

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