US 7,580,805 B2
	Programmable calibration circuit for power supply current sensing and droop loss compensation
Fereydun Tabaian, Newport Coast, Calif. (US); Hamed Sadati, Dubai (United Arab Emirates); Ali Hejazi, Dubai (United Arab Emirates); and Ahmad Ashrafzadeh, Sunnyvale, Calif. (US)
Assigned to Nupower Semiconductor, Inc., Newport Coast, Calif. (US)
Filed on Jun. 03, 2008, as Appl. No. 12/132,325.
Application 11/349826 is a division of application No. 10/878477, filed on Jun. 29, 2004, granted, now 7,027,944.
Application 12/132325 is a continuation of application No. 11/349826, filed on Feb. 08, 2006, granted, now 7,383,145.
Claims priority of provisional application 60/484105, filed on Jun. 30, 2003.
Prior Publication US 2008/0231342 A1, Sep. 25, 2008
Int. Cl. G01R 35/00 (2006.01)

U.S. Cl. 702—106  [702/64; 323/257; 323/255; 323/260; 323/239; 323/258; 323/283; 323/285]

17 Claims

1. A method of calibrating a calibration control circuit connected with a regulator supplying power to a load, comprising the steps of: estimating anticipated operation specifications of said load; creating a set of output data based on said estimate; storing said output data in nonvolatile memory; placing said regulator and said calibration control circuit in a circuit with said load; sampling calibration control circuit inputs from load voltage input at the interface between said regulator; sampling calibration control circuit temperature input; adjusting sense outputs of said calibration control circuit until input load voltage meets load operation specifications; adjusting droop output of said calibration control circuit until input load voltage meets load operation specifications; creating output data that relates temperature input with sense outputs and temperature data with droop output; and storing the created output in nonvolatile memory; wherein one or more said steps may be performed in any appropriate order.