Discharge lamp driving device

A device for driving a plurality of lamp modules, comprising:

• a plurality of power stage circuits electrically connectable with a plurality of lamp modules to provide power to said plurality of lamp modules for illumination thereof, respectively;
• a plurality of driving circuits respectively electrically connectable with corresponding ones of said plurality of power stage circuits so as to provide driving signals to control power outputs of said corresponding ones of said plurality of power stage circuits;
• a multi-phase controller electrically connectable with said plurality of driving circuits, respectively, to differentiate output timing of said driving signals from said plurality of driving circuits;
• and
• a controller electrically connectable with said plurality of driving circuits, respectively, to simultaneously control duty cycles of said driving signals from said plurality of driving circuits.

A device for driving a plurality of lamp modules, comprising:

• a plurality of power stage circuits electrically connectable with a plurality of lamp modules, respectively, to provide power to said plurality of lamp modules for illumination thereof;
• a plurality of driving circuits respectively electrically connectable with corresponding ones of said plurality of power stage circuits so as to provide driving signals to control power outputs of said corresponding one of said plurality of power stage circuits;
• a multi-phase controller electrically connectable with each of said plurality of driving circuits to respectively control output timing of said driving signals from said each of said plurality of driving circuits;
• and
• a controller electrically connectable with said each of said plurality of driving circuits to commonly control duty cycles of said driving signals from said each of said plurality of driving circuits.