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. 08, 2026
Filed:
Jul. 17, 2025
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventor:
Akira Uryu, Kyoto, JP;
Assignee:
ROHM CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02M 3/155 (2006.01);
U.S. Cl.
CPC ...
H02J 9/06 (2013.01); H02M 3/155 (2013.01);
Abstract
A power loss protection controller circuit for receiving an input voltage and supplying an output voltage to a load includes a bidirectional converter and a converter controller, wherein the bidirectional converter includes a bootstrap circuit, a high-side transistor, a low-side transistor, a high-side driver, a low-side driver, and a voltage maintenance circuit provided separately from the bootstrap circuit, and wherein the converter controller includes a feedback circuit, a logic circuit, and a high-side forced-on circuit.