Patent ID: 7388570

Claim:
A digital controlled multi-light driving apparatus for driving and controlling a plurality of lights, comprising: a plurality of oscillation step-up circuits; and a digital control circuit, which has a digital switching signal generating circuit and a multiplex feedback-control calculating circuit, the digital switching signal generating circuit connects to each of the oscillation step-up circuits, generates sets of digital switching signals, and respectively transmits the sets of the digital switching signals to the oscillation step-up circuits, wherein the multiplex feedback-control calculating circuit has a control-calculating unit and an A/D converting unit, the control-calculating unit controls the digital switching signal generating circuit, and controls a phase and a duty cycle of each set of the digital switching signals generated by the digital switching signal generating circuit according to digital feedback signals from the A/D converting unit, the A/D converting unit converts feedback signals from the lights into the digital feedback signals, respectively, wherein the oscillation step-up circuits are controlled according to the sets of digital switching signals, respectively.