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This reference design is a cost effective, scalable lighting system that features the AL1794 four-channel constant current regulator LED driver of Diodes Incorporated. It has an input range of 6.5V to 30V with reference current that is adjustable by an external reference resistor. It is also intended for white/color smart lighting application, which uses tunable white SCL and color LED bulbs. Moreover, it generates constant currents driving attached LED emitter strings where the channel currents are further modulated by analog or digital PWM signals generated by the associated external MCU. Read more