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Programmable calibration circuit for power supply current sensing and droop loss compensation

DC
  • US 7,027,944 B2
  • Filed: 06/29/2004
  • Issued: 04/11/2006
  • Est. Priority Date: 06/30/2003
  • Status: Expired due to Term
First Claim
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1. A circuit comprising:

  • a regulator circuit and a calibration control circuit, wherein said calibration control circuit includes a controller, an interface with nonvolatile memory, droop outputs, sense outputs, load voltage input, and temperature input;

    whereinsaid nonvolatile memory stores calibration data;

    said calibration control circuit interfaces with said regulator circuit via said sense outputs, said droop outputs, and said load voltage input;

    said calibration control circuit interfaces with said nonvolatile memory to store calibration data;

    said calibration control circuit interfaces with said temperature input to receive temperature data;

    said temperature data is used by said calibration control circuit to adjust said sense outputs and said droop outputs; and

    said calibration control circuit interfaces with said temperature input and said load voltage input to calibrate said calibration data stored in said nonvolatile memory.

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