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:
Jun. 10, 2025

Filed:

Aug. 06, 2020
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Tomoyuki Taniguchi, Tokyo, JP;

Satoshi Murakami, Tokyo, JP;

Akinu Nakabayashi, Tokyo, JP;

Ryota Kondo, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01); H02M 1/00 (2007.01); H02M 3/157 (2006.01);
U.S. Cl.
CPC ...
H02M 3/158 (2013.01); H02M 1/0003 (2021.05); H02M 3/157 (2013.01); H02M 1/0032 (2021.05);
Abstract

A feedback control unit includes a controller which calculates a duty ratio for switching elements on the basis of a command value and a detection value of electrical information. A continuous/discontinuous current mode distinguishment unit includes a duty ratio increase/decrease distinguishment unit which performs distinguishment between increase and decrease in the duty ratio, and an output voltage detection value increase/decrease distinguishment unit which performs distinguishment between increase and decrease in a detection value of a voltage of second terminals. If the duty ratio has decreased and the detection value of the voltage has increased, or if the duty ratio has increased and the detection value of the voltage has decreased, the continuous/discontinuous current mode distinguishment unit determines that an operation mode is a discontinuous current mode, and feeds back a result of the determination to the feedback control unit.


Find Patent Forward Citations

Loading…