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:
Jun. 14, 2022
Filed:
Jul. 20, 2020
Applicant:
Analog Devices International Unlimited Company, Limerick, IE;
Inventors:
Jofrey Generalao Santillan, Iligan, PH;
David Aherne, Limerick, IE;
Assignee:
Analog Devices International Unlimited Company, Limerick, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/02 (2006.01); G01R 31/327 (2006.01); H01H 89/00 (2006.01);
U.S. Cl.
CPC ...
H02H 3/021 (2013.01); G01R 31/3274 (2013.01); H01H 89/00 (2013.01);
Abstract
Circuits and methods for protecting against over-current conditions of switches are described. Over-current conditions can damage switches and the circuits they connect. Some embodiments of the present application provide a sense switch in parallel with the load switch. The sense switch is smaller than the load switch, and is used to sense an over-current condition of the load switch. The sense switch can remain on even when the load switch is turned off in response to detection of an over-current condition.