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INTEGRATED MULTIPLE OUTPUT POWER CONVERSION SYSTEM

  • US 20100117450A1
  • Filed: 09/04/2009
  • Published: 05/13/2010
  • Est. Priority Date: 09/05/2008
  • Status: Abandoned Application
First Claim
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1. A voltage converter comprising:

  • a plurality of power conversion circuits operable to receive respective digital control inputs and to supply respective output signals that are separately programmable to have respective desired voltages;

    a control circuit, a portion of which is shared by the power conversion circuits on a time multiplexed basis, operable to supply the respective digital control inputs, the shared portion of the control circuit including,a first selector circuit to select on the time multiplexed basis one of a plurality of first signals including set points for respective ones of the output signals;

    a digital-to-analog converter to convert a selected set point to an analog set point signal, the digital-to-analog converter being shared on a time multiplexed basis by the first signals;

    a second selector circuit to select one of a plurality of second signals on the time multiplexed basis, the second signals including measured signals that correspond to respective ones of the first signals; and

    a summer coupled to determine a difference between the analog set point signal and a selected one of measured signals and generate an error signal indicative thereof

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