Abstract: Power supply system for a lighting system comprising a plurality of LED light points, the power supply system having AC/DC voltage converter means to convert an AC voltage into a first DC voltage, one or more DC/DC voltage converter means connected to the output of the AC/DC voltage converter means and having current- and/or voltage-driven output ports connectable to respective light points, a plurality of input ports and a programmable microcontroller to associate each input port to at least one of said output ports and configured to control the DC/DC voltage converter means so as to switch on and off or to adjust the light intensity of said light points based on the commands received by the input ports.