LED LAMP DRIVING DEVICE, HAVING THE SWITCHING METHOD CURRENT LIMITING FUNCTION AND THE LED LAMP ADOPTING THE DEVICE

摘要

PURPOSE: A LED light driving apparatus having the current limit function of switched phase and the LED light having the driving apparatus is provided to reduce the power consumption by not using self-electric power. CONSTITUTION: The LED light is connected to the DC power source. The LED light comprises the LED light driving apparatus and a series and parallel LED matrix array (2). The current limiting circuit blocks (12) and the drive power circuit blocks (11) are connected to the LED matrix array in series. The current limiting circuit blocks and the drive power circuit blocks comprise at least one switching element. The current limiting circuit blocks and the drive power circuit blocks comprise more than one element for the current sensing.