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. 03, 2026
Filed:
Nov. 12, 2023
Richtek Technology Corporation, Hsinchu, TW;
Chih-Hsien Wang, Taoyuan, TW;
Chu-Hua Lee, Hsinchu, TW;
Richtek Technology Corporation, Hsinchu, TW;
Abstract
A body bias circuit configured to generate a body bias to a body of a MOS switch. The body bias circuit includes: an intrinsic MOS device having the same conductivity type with the MOS switch and having an intrinsic threshold voltage; and an operational regulation circuit coupled to the intrinsic MOS device and configured to generate the body bias according to a voltage of one terminal of the MOS switch and the intrinsic threshold voltage, such that a threshold voltage of the MOS switch inversely tracking the intrinsic threshold voltage. The body bias is lower than each voltage of both terminals of the MOS switch. The body bias is configured to an extent that an ON resistance of the MOS switch is lower than a predetermined value during a conducting operation, and/or a leakage current of the MOS switch is lower than a predetermined value during a non-conducting operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile