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Battery charger circuits using constant current/constant voltage mode using maintenance offset currents and methods of operating the same

  • US 20050007075A1
  • Filed: 06/02/2004
  • Published: 01/13/2005
  • Est. Priority Date: 06/19/2003
  • Status: Active Grant
First Claim
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1. A method of charging a battery comprising:

  • changing from charging a battery in a constant current mode using an amplifier circuit output to control a voltage controlled current source to provide substantially constant current to the battery to charging the battery in a constant voltage mode using the amplifier circuit output to control the voltage controlled current source to provide a varied current to the battery.

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