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:
Feb. 09, 2021
Filed:
May. 13, 2019
Applicant:
Stmicroelectronics (Shenzhen) R&d Co. Ltd., Nanshan, CN;
Inventors:
Assignee:
STMICROELECTRONICS (SHENZHEN) R&D CO. LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/687 (2006.01); H03F 3/45 (2006.01); G01R 31/30 (2006.01);
U.S. Cl.
CPC ...
H03K 17/6871 (2013.01); H03F 3/45273 (2013.01); G01R 31/3008 (2013.01);
Abstract
In an embodiment, a power switch controller for driving a back-to-back power switch includes: an amplifier having a supply terminal configured to receive a supply voltage, an output configured to be coupled to a gate terminal of the back-to-back power switch, a first input configured to be coupled a source terminal of the back-to-back power switch, and a second input coupled to the output of the amplifier. The amplifier is configured to generate an output voltage at the output of the amplifier, the output voltage being an offset voltage higher than a voltage at the first input of the amplifier.