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:
Oct. 22, 2019
Filed:
Aug. 14, 2017
Applicant:
Monolithic Power Systems, Inc., San Jose, CA (US);
Inventors:
Serge Reymond, Geneva, CH;
Pavel Kejik, Ecublens, CH;
Assignee:
Monolithic Power Systems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 15/20 (2006.01); G01R 33/07 (2006.01); G11C 11/15 (2006.01); H01L 43/04 (2006.01); H01L 43/06 (2006.01); G01R 19/00 (2006.01);
U.S. Cl.
CPC ...
G01R 15/202 (2013.01); G01R 15/207 (2013.01); G01R 33/075 (2013.01); G11C 11/15 (2013.01); H01L 43/04 (2013.01); H01L 43/065 (2013.01); G01R 19/0092 (2013.01);
Abstract
A current sensing system uses a Hall effect device. A conductor carrying a target current is shaped in a way such that two regions with opposite magnetic field directions crossed there through are created at a silicon die which contains the Hall effect devices placed in a mirror way. The Hall effect devices react the magnetic field to generate a Hall voltage when a bias current is applied, which is then processed by a process circuit and an operational unit, so that a differential signal indicative of the target current is generated.