Driver device of a plurality of light sources, in particular LEDs, comprising: - a multichannel current control module having a plurality of output channels, each connected to at least one light source, said multichannel current control module being suitable to set a power supply current on each of said output channels; - at least one static configuration register operatively connected to said current control module, a static driving configuration being pre-loaded in said static configuration register corresponding to the power supply current value which the multi-channel current control module must set on each output channel when the driver device is in a stand-alone operating mode, in which the driver device is not controlled by an external control unit; - at least one dynamic configuration register operatively connected to said multichannel current control module, said dynamic configuration register being suitable for loading a dynamic driving configuration received from a digital data transmission bus connected to an electronic control unit; said dynamic driving configuration corresponding to the power supply current value which the multi-channel current control module must set on each output channel when the driver device is in a bus-controlled operating mode, in which the driver device is controlled by the electronic control unit by means of the digital transmission data bus; the driver device being characterized in that it further comprises: - first configuration selection means operatively connected to the static configuration register and to the dynamic configuration register and suitable to transmit to the multichannel current control module the static driving configuration pre-loaded in said static configuration register or the dynamic driving configuration loaded in said dynamic configuration register, according to a selection signal representative of said stand-alone and bus-controlled operating modes of the driver device. - a multichannel current control module having a plurality of output channels, each connected to at least one light source, said multichannel current control module being suitable to set a power supply current on each of said output channels; - at least one static configuration register operatively connected to said current control module, a static driving configuration being pre-loaded in said static configuration register corresponding to the power supply current value which the multi-channel current control module must set on each output channel when the driver device is in a stand-alone operating mode, in which the driver device is not controlled by an external control unit; - at least one dynamic configuration register operatively connected to said multichannel current control module, said dynamic configuration register being suitable for loading a dynamic driving configuration received from a digital data transmission bus connected to an electronic control unit; said dynamic driving configuration corresponding to the power supply current value which the multi-channel current control module must set on each output channel when the driver device is in a bus-controlled operating mode, in which the driver device is controlled by the electronic control unit by means of the digital transmission data bus; the driver device being characterized in that it further comprises: - first configuration selection means operatively connected to the static configuration register and to the dynamic configuration register and suitable to transmit to the multichannel current control module the static driving configuration pre-loaded in said static configuration register or the dynamic driving configuration loaded in said dynamic configuration register, according to a selection signal representative of said stand-alone and bus-controlled operating modes of the driver device.