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:
Mar. 30, 2021
Filed:
Jun. 17, 2019
Applicant:
Nuvolta Technologies (Hefei) Co., Ltd., Hefei, CN;
Inventors:
Caiqiang Zhou, Shanghai, CN;
Sichao Liu, Shanghai, CN;
Assignee:
NuVolta Technologies (Hefei) Co., Ltd., Hefei, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/42 (2006.01); H01F 37/00 (2006.01); H01F 38/00 (2006.01); G01R 19/00 (2006.01); H02J 50/10 (2016.01); H03F 3/45 (2006.01); H03H 7/06 (2006.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
G01R 19/003 (2013.01); H02J 50/10 (2016.02); H03F 3/45475 (2013.01); H03H 7/06 (2013.01); H02J 7/025 (2013.01); H03F 2200/165 (2013.01);
Abstract
An apparatus includes a power switch configured to conduct a dc or ac current, a sense switch having a first drain/source terminal and a gate connected to a first drain/source terminal and a gate of the power switch respectively, an amplifier having a first input coupled to a second drain/source terminal of the power switch and a second input coupled to a second drain/source terminal of the sense switch and a first current sense processing switch having a gate connected to an output of the amplifier.