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Battery charge temperature control

  • US 7,521,897 B2
  • Filed: 03/27/2006
  • Issued: 04/21/2009
  • Est. Priority Date: 03/27/2006
  • Status: Expired due to Fees
First Claim
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1. A device, comprising:

  • a memory to store a plurality of tables, each of the table including a plurality of entries, each of the entries storing a temperature parameter and a current cutoff parameter, each of the tables corresponding to a different battery type and a different battery manufacturer;

    processing logic to;

    determine a battery type and a battery manufacturer associated with a rechargeable battery provided within the device, andselect one of the tables based on the determined battery type and the determined battery manufacturer associated with the battery;

    a temperature monitor to determine a temperature associated with the battery; and

    a charger to;

    determine a current cutoff parameter from the selected table based on the determined temperature,supply current to the battery,determine when the supplied current reaches a value corresponding to the current cutoff parameter, andcease further supply of the supplied current to the battery when the supplied current reaches the value corresponding to the current cutoff parameter.

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