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:
Dec. 19, 2017
Filed:
Jul. 17, 2016
Applicant:
Delta Electronics, Inc., Taoyuan, TW;
Inventors:
Wei-Yi Feng, Taoyuan, TW;
Li-Zhi Xu, Taoyuan, TW;
Wei-Qiang Zhang, Taoyuan, TW;
Hong-Yang Wu, Taoyuan, TW;
Assignee:
DELTA ELECTRONICS, INC., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02M 7/487 (2007.01); H02M 7/538 (2007.01); H02M 1/34 (2007.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); H02M 7/487 (2013.01); H02M 7/538 (2013.01); H02M 2001/348 (2013.01); Y02B 70/1441 (2013.01);
Abstract
A converter includes a first bridge arm and a voltage clamping unit. The first bridge arm includes a first switching unit. The voltage clamping unit is coupled to the first bridge arm, and includes a first charging branch and a second charging branch. The first charging branch is configured to have a first resonant frequency, to absorb a first spike of the first switching unit. The second charging branch is configured to have a second resonant frequency to absorb a second spike of the first switching unit.