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Systems and Methods to Provide Enhanced Diode Bypass Paths

  • US 20120199172A1
  • Filed: 09/16/2011
  • Published: 08/09/2012
  • Est. Priority Date: 03/15/2010
  • Status: Active Grant
First Claim
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1. A solar panel, comprising:

  • a set of solar cells; and

    a bypass switch circuit connected to the set of solar cells and configured to allow a bypass current to bypass the set of solar cells, the bypass switch circuit comprising;

    a bypass transistor connected in parallel with an output of the set of solar cells, wherein when activated the bypass transistor provides a path for the bypass current, the bypass transistor having a parasitic diode;

    a first diode connected to receive the output and configured to be conductive when the parasitic diode of the bypass transistor is conductive; and

    a control circuit coupled with the bypass transistor and the first diode to activate the bypass transistor in response to the parasitic diode of the bypass transistor becoming conductive.

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