Light engine module, related power supply unit and lighting system

摘要

Various embodiments may relate to a Light Engine Module including a plurality of series connected LEDs, a positive power supply line, a common ground line, a communication line, a current set resistor) coupled to the communication line, with its value of conductance being indicative for the current demand of the Light Engine Module, and a variable current generator connected to the communication line. The variable current generator is responsive to at least one measurement signal provided by at least one sensor. Various embodiments may further relate to a Power Supply Unit, and a lighting system including the Power Supply Unit with at least one Light Engine Module.

主权项

1. A Light Engine Module comprising:
a positive power supply line, a common ground line, a plurality of LEDs connected in series between the positive power supply line and the common ground line, a communication line, a current set resistor connected between the communication line and the common ground line, with its value of conductance being indicative for the current demand of the Light Engine Module, and a variable current generator connected to said communication line and generating a compensation current, thus modifying the current flowing through said communication line, said variable current generator being responsive to at least one measurement signal provided by at least one sensor.