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FAULT DETECTION FOR BATTERY CHARGERS

  • US 20090273872A1
  • Filed: 05/01/2008
  • Published: 11/05/2009
  • Est. Priority Date: 05/01/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • sensing a charge current applied to a battery with a resistive element;

    measuring a voltage across the resistive element;

    generating a trigger signal when the measured voltage across the resistive element exceeds a predetermined value;

    generating from the trigger signal an interrupt signal for a microprocessor; and

    initiating an over-current handling routine in the microprocessor.

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