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:
Apr. 07, 2020

Filed:

Jul. 07, 2017
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventors:

Yohei Kondo, Kariya, JP;

Tetsuya Dewa, Kariya, JP;

Noriyuki Takagi, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/04 (2006.01); H03K 17/042 (2006.01); H02M 7/5387 (2007.01);
U.S. Cl.
CPC ...
H03K 17/0406 (2013.01); H03K 17/042 (2013.01); H02M 7/5387 (2013.01);
Abstract

The drive circuit for driving voltage controlled switches includes: charge path connected to gate of the switch, through which gate charge current flows to turn the switch ON; discharge path connected to the gate and output terminal of the switch, through which gate discharge current flows to turn the switch OFF; and at least either, a charging side element disposed on charging side loop path having the gate, a part of the charge path and the output terminal, restricting current flow to be in one direction and not disturbing current flow of charge current; or a discharging side element disposed on a discharging side loop path having the gate, a part of the discharge path and the output terminal, restricting a current flow to be in one direction and not disturbing a current flow of discharge current.


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