EP 2816873 B1 20171122 - LED driver circuit for an automobile hand brake warning light with open- and short-circuit fault detection
Title (en)
LED driver circuit for an automobile hand brake warning light with open- and short-circuit fault detection
Title (de)
LED-Treiberschaltung für einen Automobilhandbremswarnleuchte mit Leerlauf- und Kurzschluss-Fehlererkennung
Title (fr)
Circuit de pilote de LED pour un témoin de frein de l'automobile avec détection d'ouverture et de court-circuit défaut
Publication
Application
Priority
EP 13173274 A 20130621
Abstract (en)
[origin: EP2816873A1] A driver circuit (1) for at least one electronic component (3) driven by an electrical current generated by a corresponding main current source (6) of the driver circuit (1), said driver circuit (1) comprising a diagnostic circuit adapted to detect fault conditions of said current driven electronic component (3) in an on state of said main current source (6) and in an off state of said main current source. Specifically the at least one electronic component (3) is an LED and indicates the status of a vehicle hand brake.
IPC 8 full level
H05B 44/00 (2022.01); B60Q 1/44 (2006.01); H05B 45/50 (2022.01); H05B 45/59 (2022.01)
CPC (source: EP US)
H05B 45/10 (2020.01 - EP US); H05B 45/50 (2020.01 - EP US); H05B 45/58 (2020.01 - EP US); H05B 45/59 (2022.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 13173274 A 20130621