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. 17, 2025
Filed:
Oct. 12, 2020
Applicant:
Signify Holding B.v., Eindhoven, NL;
Inventor:
Christian Hattrup, Wurselen, DE;
Assignee:
SIGNIFY HOLDING B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 45/54 (2020.01); H05B 45/345 (2020.01); H05B 45/37 (2020.01); H05B 45/50 (2022.01);
U.S. Cl.
CPC ...
H05B 45/54 (2020.01); H05B 45/345 (2020.01); H05B 45/37 (2020.01); H05B 45/50 (2020.01);
Abstract
A LED driver having a current sensing resistor arrangement with two parallel current sensing branches, each comprising at least two series resistors connected at a respective sensing node, is provided. The voltages at the two sensing nodes are processed to detect a component failure. The normal current control is based on the voltage across the overall resistor arrangement.