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Battery management system and method

  • US 7,825,631 B2
  • Filed: 10/29/2009
  • Issued: 11/02/2010
  • Est. Priority Date: 10/17/2003
  • Status: Expired due to Term
First Claim
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1. A battery management system for managing a plurality of subsystems of a mobile communication device powered by a battery, comprising:

  • means for monitoring a present battery condition of the battery;

    means for comparing the present battery condition with an enable condition of the plurality of subsystems to determine if a disable condition has been met; and

    means for selectively disabling a subsystem in the plurality of subsystems if the disable condition has been met for the subsystem;

    wherein the enable condition is a threshold temperature associated with the subsystems, the present battery condition is a battery temperature measurement, and the disable condition is met when the battery temperature is less than the threshold temperature for a subsystem.

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