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System and method for a multi-phase snubber circuit

  • US 9,768,607 B2
  • Filed: 05/11/2015
  • Issued: 09/19/2017
  • Est. Priority Date: 05/11/2015
  • Status: Active Grant
First Claim
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1. A circuit comprising:

  • a snubber circuit configured to be coupled to outputs of n half-bridge driver circuits that are coupled to n corresponding inductive loads, wherein n is an integer greater than one, the snubber circuit comprisingn diodes, each of the n diodes coupled between a corresponding output of the n half-bridge driver circuits and a floating common node, andn capacitors, each of the n capacitors coupled between the corresponding output of the n half-bridge driver circuits and the floating common node; and

    n transistors having a first load path terminal coupled to the corresponding output of the n half-bridge driver circuits and a second load path terminal coupled to a corresponding load of the n inductive loads, wherein each of the n diodes is coupled between the first load path terminal of a corresponding transistor of the n transistors and the floating common node, and each of the n capacitors is coupled between the second load path terminal of the corresponding transistor of the n transistors and the floating common node.

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