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:
Aug. 30, 2016
Filed:
Sep. 05, 2013
Applicant:
Fairchild Semiconductor Corporation, San Jose, CA (US);
Inventor:
James Garrett, Nashua, NH (US);
Assignee:
Fairchild Semiconductor Corporation, Sunnyvale, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); H02M 1/00 (2006.01); G01R 19/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/156 (2013.01); G01R 19/0092 (2013.01); H02M 2001/0009 (2013.01); H02M 2001/0045 (2013.01);
Abstract
A device and method for sensing an inductor current in an inductor is provided that generates a voltage signal proportionate to the inductor current if the inductor is connected to a positive supply and simulates the inductor current if the inductor is not connected to the positive supply. The voltage signal may be generated by sampling an input voltage from the inductor onto a capacitor if the inductor is connected to the positive supply. The inductor current may be simulated by generating a simulation current and pushing the simulation current onto the capacitor.