Targeting the whole-vehicle LED lighting control system, the solution covers the following chain: LED constant-current drive, multi-channel DC-DC power, lamp load switching, and auxiliary voltage regulation. Integrating dedicated automotive lamp driver ICs, multi-channel LED constant-current ICs, three-terminal voltage regulators and SGT/Trench power MOSFETs with comprehensive protection, it delivers stable dimming and load driving for DRLs, tail lamps, etc., optimizing vehicle lighting energy efficiency and overall electrical stability.