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:
Sep. 02, 2025
Filed:
Aug. 23, 2023
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventor:
Toshiyuki Ishikawa, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/088 (2006.01); H02M 7/5387 (2007.01); H02M 1/32 (2007.01); H02M 7/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/088 (2013.01); H02M 7/53871 (2013.01); H02M 1/325 (2021.05); H02M 7/003 (2013.01);
Abstract
An isolated gate driver has: a switch connection terminal configured to have a switching element externally connected to it; a non-volatile memory having adjustment data written to it; a register configured to store the adjustment data read from the non-volatile memory; a gate driving circuit configured to drive the gate of the switching element with a characteristic set based on a value stored in the register; and a control logic circuit configured to keep the gate driving circuit in a disabled state until completion of reading the adjustment data from the non-volatile memory and storing it in the register.