LED power supply device

A light emitting diode (LED) power supply device, comprising:

• a power supply configured to control an LED component having a threshold voltage;
• a control unit to control the power supply, the control unit having a control interface for applying external control signals to the power supply;
• and
• a voltage supply unit connected to the power supply,
• wherein the control unit is configured to receive an operating voltage from the voltage supply unit for continuous operation of the control unit in an activated and non-activated control state of the LED component,
• wherein the voltage supply unit comprises a capacitor coupled to an output side of the power supply, the capacitor configured to receive the operating voltage from the voltage supply and to supply a capacitor voltage as operating voltage to the control unit, and
• wherein the control unit is configured to command the power supply to provide electrical pulses across the capacitor at a frequency less than about 1 Hz such that, in the non-activated control state, a maximum capacitor voltage lies below the threshold voltage.