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:
Aug. 13, 2024
Filed:
Nov. 29, 2022
Applicant:
Denso Corporation, Kariya, JP;
Inventor:
Kunihiko Matsuda, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/07 (2006.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H02M 3/076 (2021.05); H02M 3/1582 (2013.01);
Abstract
A drive device for driving a load includes: an inverter unit having an upper arm element and a lower arm element and converting electric power supplied to the load; and a charge pump circuit that supplies a gate voltage to the upper arm element. An output voltage of the charge pump circuit is variable according to an inverter input voltage input from an inverter input wiring to a high potential side of the inverter unit.