Circuit and method for driving light sources and lighting system

摘要

A circuit for driving a plurality of light sources via a current generator, wherein the light sources are grouped into a plurality of light source sets wherein the driver circuit comprises a plurality of inductive elements, a plurality of switches adapted to selectively connect each light source set in series with one of the inductive elements, and a control circuit configured for driving the switches, so that during a first operation time interval, each light source set is connected in series with a respective first inductive element, and during a second operation time interval, each light source set is connected in series with a respective second inductive element, wherein the respective second inductive element is separate from the respective first inductive element.

主权项

1. A circuit for driving a plurality of light sources via a current generator, wherein said light sources are grouped into a plurality of light source sets, wherein the driver circuit comprises:
a plurality of inductive elements; a plurality of switches adapted to selectively connect each light source set in series with one of said inductive elements; and a control circuit configured for driving said plurality of switches, so that a) during a first operation time interval, each light source set is connected in series with a respective first inductive element, and b) during a second operation time interval, each light source set is connected in series with a respective second inductive element, wherein the respective second inductive element is separate from the respective first inductive element.