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System and method for balancing cells in a battery pack with selective bypass paths

  • US 7,466,104 B2
  • Filed: 10/13/2006
  • Issued: 12/16/2008
  • Est. Priority Date: 10/13/2006
  • Status: Active Grant
First Claim
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1. A cell balancing circuit comprising:

  • a first cell;

    a first bypass path for said first cell;

    a second bypass path for said first cell;

    a first input for receiving a first signal for conducting a bypass current of said first cell;

    a second input for receiving a second signal for selecting either said first bypass path or said second bypass path for said first cell; and

    a first driving circuit for receiving said first signal and said second signal, and for providing a third signal configured to selectively conduct either said first bypass path or said second bypass path for said first cell.

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