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:
Jan. 31, 2023

Filed:

Aug. 07, 2020
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Seonho Jeon, Seoul, KR;

Seongho Son, Seoul, KR;

Younghwan Kwack, Seoul, KR;

Chuhyoung Cho, Seoul, KR;

Jongseong Ji, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/217 (2006.01); H02M 1/08 (2006.01); H05B 6/12 (2006.01);
U.S. Cl.
CPC ...
H02M 1/083 (2013.01); H05B 6/1245 (2013.01);
Abstract

Provided is a resonant power conversion apparatus including a gate control circuit that controls a first switch to enter an On state and a second switch to enter an Off state at a first stage and controls the first switch to enter the Off state and the second switch to enter the On state at a second stage, a first current transformer that applies current to the first switch at the first stage and applies current to the second switch at the second stage, a load connected to the first current transformer in series, a second current transformer connected to the second switch, and a microcontroller unit (MCU) that determines whether to be zero voltage switching or non-zero voltage switching based on a current flowing in the first current transformer and the second current transformer in a process of transitioning from the first stage to the second stage.


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