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. 19, 2024
Filed:
Nov. 17, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Masatoshi Goto, Shimotsuke, JP;
Yuta Nakamura, Utsunomiya, JP;
Yoshinori Sagiya, Shimotsuke, JP;
Kazunari Kurokawa, Oyama, JP;
Shugo Ueno, Utsunomiya, JP;
Shintaro Tai, Utsunomiya, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
A gate driving power source device can be miniaturized by sharing power source units, and a large current can be prevented from locally flowing in a single chip even when a short-circuit failure occurs in a multi-phase conversion circuit included in a power conversion device. There is provided a shared power source unit supplying a shared DC power source to a gate drive circuit provided in any one of a plurality of lower arms of multi-phase conversion circuits or any one of a plurality of upper arms of the multi-phase conversion circuit and gate drive circuits provided in upper arms or lower arms of other conversion circuits.