The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2002
Filed:
Aug. 06, 2001
Applicant:
Inventor:
Alan Elbanhawy, Hollister, CA (US);
Assignee:
Fairchild Semiconductor Corporation, South Portland, ME (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/00 ;
U.S. Cl.
CPC ...
H02M 1/00 ;
Abstract
An apparatus for and method of achieving current balancing among phases of a multi-phase power supply by reducing and controlling the temperature variation among packages disposed within each phase. Each package contains a dc-to-dc converter (e.g. a buck converter), a temperature sensor and may also contain a driver, which supplies a pulse train for driving the converter. By controlling the temperature among phases to within ±X % a balancing of currents among phases to within ±X/2 % is achieved.