| 摘要 |
A dynamic configuration for subsection LED (light emitting diode) driving device, comprising a first adjustable LED lamp string unit (210), first N-type switch module (310), second adjustable LED lamp string unit (220), unidirectional conduction unit (230), at least one P-type switch module (400), at least one second N-type switch module (320), control logic module (500) and current detection module (600), wherein the control logic module (500) controls the turn-on and turn-off states of the first adjustable LED lamp string unit (210), the second adjustable LED lamp string unit (220), the unidirectional conduction unit (230), the P-type switch module (400), the first N-type switch module (310) and the second N-type switch module (320) according to the variation of the output voltage of a rectifier bridge, and dynamically adjusts the serial and parallel connection states of the first adjustable LED lamp string unit (210) and the second adjustable LED lamp string unit (220). |
