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.

Date of Patent:
Feb. 25, 2025

Filed:

Dec. 30, 2022
Applicant:

Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;

Inventors:

Zezhou Yang, Dongguan, CN;

Liqiong Yi, Shenzhen, CN;

Zehua Liang, Dongguan, CN;

Shu Zhong, Dongguan, CN;

Tao Xie, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/10 (2006.01); G01R 19/25 (2006.01); H01F 38/14 (2006.01); H02M 5/10 (2006.01);
U.S. Cl.
CPC ...
G01R 19/2509 (2013.01); G01R 19/10 (2013.01); H01F 38/14 (2013.01); H02M 5/10 (2013.01);
Abstract

A current sampling system, the system including a magnetic component, that is an inductor or a transformer that has at least one winding, where the at least one winding has a first part and a second part, where a first terminal of the first part is connected to a first terminal of the second part, and where a second terminal of the first part is separated from a second terminal of the second part, and a current detection circuit, where the second terminal of the second part is connected to the current detection circuit, and where the current detection circuit is configured to sample a current flowing through the second part, and obtain a total current of the winding based on the sampled current flowing through the second part and a preset ratio.


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