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Protection circuit for a battery cell

  • US 20030137280A1
  • Filed: 01/24/2002
  • Published: 07/24/2003
  • Est. Priority Date: 01/24/2002
  • Status: Active Grant
First Claim
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1. A cell protection circuit, comprising:

  • a transistor coupled to said cell; and

    a current bypass device coupled to said transistor and said cell;

    wherein said transistor limits the current that can flow through said cell when the voltage across said cell falls to a predetermined minimum level.

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