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Power management for power constrained devices

  • US 8,072,095 B2
  • Filed: 05/26/2009
  • Issued: 12/06/2011
  • Est. Priority Date: 05/26/2009
  • Status: Active Grant
First Claim
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1. A system for optimizing the use of energy consumption by electronics having multiple loads, the system comprising:

  • a hysteretic switch circuit having an input for coupling to an energy storage circuit and an output coupled to a node, the hysteretic switch circuit for coupling power applied at its input to the node when the power stored by the energy storage circuit reaches a charge threshold; and

    an energy distribution circuit having an input coupled to the node, and for controlling operating time during which DC voltage above an operating threshold voltage is presented to each of a plurality of device loads coupled to an output of the energy distribution circuit, wherein at least two of the device loads have different operating times.

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