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Diode conduction sensor

  • US 10,170,996 B2
  • Filed: 06/29/2017
  • Issued: 01/01/2019
  • Est. Priority Date: 06/30/2016
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a body diode conduction sensor configured for coupling to a switching element, the sensor comprising;

    first and second voltage divider networks coupled to a voltage source;

    a detection diode coupled to the switching element and to the first voltage divider network, wherein the detection diode is conductive at times corresponding to body diode conduction of the switching element decreasing a DC average voltage at an output node of the first voltage divider network; and

    an output for a differential output voltage coupled to the first and second voltage divider networks having an output signal corresponding to a time of the body diode conduction of the switching element.

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