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:
Apr. 14, 2025
Filed:
Oct. 11, 2023
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventor:
Shingo Hashiguchi, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/62 (2005.12); G05F 1/575 (2005.12); G05F 1/613 (2005.12); H02M 3/155 (2005.12);
U.S. Cl.
CPC ...
G05F 1/575 (2012.12); G05F 1/613 (2012.12); H02M 3/155 (2012.12);
Abstract
A power supply system includes a plurality of semiconductor integrated circuit devices, wherein a master among the plurality of semiconductor integrated circuit devices is configured to use a constant voltage to calibrate a first reference of a detection result of a current flowing through its own switching element, and a slave among the plurality of semiconductor integrated circuit devices is configured to use the constant voltage supplied from the master to calibrate a second reference of a detection result of a current flowing through its own switching element.