DEVICE FOR DRIVING THE ELECTRICAL POWER SUPPLY OF LIGHT SOURCES OF AN AUTOMOTIVE VEHICLE

The invention provides a device for driving the electrical power supply of at least one electronic circuit branch comprising at least one light source of an automotive vehicle. A converter circuit converts an input voltage VIN into a load voltage (or current) that is applied to said circuit branch,...

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Bibliographic Details
Main Authors Jauregi, Irantzu, Guillot, Bernard, BOUDIKIAN, David, Alves, Jean-Philippe
Format Patent
LanguageEnglish
Published 26.07.2018
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:The invention provides a device for driving the electrical power supply of at least one electronic circuit branch comprising at least one light source of an automotive vehicle. A converter circuit converts an input voltage VIN into a load voltage (or current) that is applied to said circuit branch, and control means are configured to control the converter circuit by means of a periodic PWM signal having a predetermined frequency f. The frequency f is adapted in real time and according to a disruption that is detected in the input voltage signal VIN in order to avoid any occurrence of flickering in the intensity of the luminous flux emitted by the light sources.
Bibliography:Application Number: US201815880921