The STMicroelectronics AEK-LED-21DISM1 LED driver board is designed for high brightness automotive LED front lighting applications. It can control four LED strings through two embedded L99LD21 flexible LED drivers with high efficiency boost controller and two embedded buck converters. The overall package is designed to address automotive lighting applications, including high beams and low beams, daytime running lights, turn indicators, position lights, side markers and fog lights.

Output current up to 1.69 A each channel
Input operating voltage range from 5.5 V to 24 V
Programmable via SPI, allowing accurate LED current setting.
Maximum components height is 11 mm