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Power supply distribution system employing non-isolated DC/DC converters

  • US 6,317,345 B1
  • Filed: 02/19/1999
  • Issued: 11/13/2001
  • Est. Priority Date: 02/20/1998
  • Status: Expired due to Fees
First Claim
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1. A power supply module for a backplane comprising:

  • a plurality of independent voltage converter units distributed in parallel between a voltage input and a voltage output, said voltage converter units maintaining current sharing between multiple units;

    the voltage converter units each comprising a non-isolated back-end DC-to-DC converter, wherein the voltage input comprises an intermediate DC power source sharing a common return with the voltage output; and

    means for monitoring the status of each voltage converter unit to identify a power supply fault.

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