1results about How to "High dimming accuracy" patented technology

The application relates to a multi-channel LED dimming centralized independent control device, which comprises an LED1, an LED2, a centralized independent control module and the like; a dimming input voltage Vin is connected with the anode of the LED1 and the LED2, the first end of capacitors C1-C2 and the cathode of voltage stabilizing tubes D1-D2; the second end of the capacitor C1 is connected with the cathode of the LED1 and the first end of an inductor L1, the second end of the inductor L1 is connected with the anode of the voltage stabilizing tube D1 and the first pole of a switch tube SW1, the second pole of the switch tube SW1 is connected with the first end of a resistor R1 and the first input end of the centralized independent control module, and the control pole of the switch tube SW1 is connected with the first output end of the centralized independent control module; the centralized independent control module can realize centralized dimming control for the LED1 and the LED2.