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:
Mar. 24, 2020
Filed:
Apr. 19, 2019
Denso Corporation, Kariya, Aichi-pref., JP;
Yasutaka Senda, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A gate drive device for driving a plurality of semiconductor devices connected in parallel to each other includes a constant current circuit, a plurality of switching element, and a drive controller. The constant current circuit supplies a constant current to respective gates of the plurality of semiconductor devices. The plurality of switching elements is respectively provided on a plurality of paths that connects the constant current circuit and the respective gates of the plurality of semiconductor devices. The drive controller controls driving of the plurality of switching elements to supply the constant current from the constant current circuit to the respective gates of the plurality of semiconductor devices.