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:
Aug. 09, 2016
Filed:
Nov. 13, 2014
Applicant:
Littelfuse, Inc., Chicago, IL (US);
Inventors:
Sam S. Kang, Pleasanton, CA (US);
John W. Jorgensen, Reno, NV (US);
Chad N. Marak, Cedar Park, TX (US);
Assignee:
LITELFUSE, INC., Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/573 (2006.01); H02H 9/02 (2006.01);
U.S. Cl.
CPC ...
G05F 1/573 (2013.01); H02H 9/025 (2013.01);
Abstract
An improved current limiting circuit including a switch having a first terminal and a second terminal, the first and second terminal configured to connect a power supply to a load. A first resistor connected in series between the first terminal and a first constant current source. A second resistor connected in series between the second terminal and a second constant current source. A control circuit configured to measure a voltage drop across the first resistor and compare the voltage drop to a voltage drop across the switch.