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:
Dec. 01, 2020
Filed:
Dec. 18, 2018
Renesas Electronics Corporation, Tokyo, JP;
Hideyuki Tajima, Tokyo, JP;
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Abstract
A monitor circuit monitors a gate potential applied to a gate of a high-side transistor or monitors an output potential generated at an output terminal and generates either one or both of a high-side sampling timing and a high-side holding timing based on the monitored result. A current detection circuit detects an inductor current flowing in an inductor and generates a first detection voltage proportional to the inductor current. A sample-and-hold circuit starts a sampling operation of the first detection voltage in response to the high-side sampling timing and starts a holding operation of the first detection voltage in response to the high-side holding timing so as to output a second detection voltage.