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POWER MANAGEMENT TOPOLOGIES

  • US 20100327813A1
  • Filed: 09/07/2010
  • Published: 12/30/2010
  • Est. Priority Date: 09/21/2000
  • Status: Active Grant
First Claim
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1. A wake up circuit comprising:

  • a comparison circuit configured to generate a comparison output signal based on a comparison of a charging signal and a wake up current signal, said charging signal representative of a charging current level provided to a battery and said wake up current signal representative of a wake up current level; and

    an output decision circuit configured to receive said comparison output signal and provide a first and a second control signal to a switch, wherein said first control signal is configured to control said switch to limit the charging current provided to said battery to said wake up current level and wherein said second control signal is configured to control said switch to be either ON or OFF.

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