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1. (WO2018038681) A MULTI-CHANNEL DRIVER CIRCUIT AND METHOD FOR LEDS

Pub. No.:    WO/2018/038681    International Application No.:    PCT/SG2017/050413
Publication Date: Fri Mar 02 00:59:59 CET 2018 International Filing Date: Wed Aug 23 01:59:59 CEST 2017
IPC: H05B 33/08
H05B 37/02
Applicants: NATIONAL UNIVERSITY OF SINGAPORE
Inventors: YE, Cikai
KATHIRESAN, Ramprakash
DAS, Pritam
REINDL, Thomas Guenter
Title: A MULTI-CHANNEL DRIVER CIRCUIT AND METHOD FOR LEDS
Abstract:
A multi-channel driver circuit for LEDs and a method of multi-channel driving LEDs. The method comprises limiting a peak current on a secondary side of a non-resonant DC-DC circuit for protection of the LEDs; and controlling an average current on the secondary side of the DC-DC circuit for dimming of respective groups of the LEDs.