S27KL0641DABHA020 is a dual-channel SmartPower 3.0 integrated circuit (IC) from Infineon. It is designed for automotive lighting applications like headlights and tail lights. The device integrates two high-side MOSFETs with a peak output current of 6.4A, offering current monitoring, fault diagnostics, and over-temperature protection. It also provides LED open/short detection, audible warning, dimming, flicker-free dimming, and a number of other features. The device is housed in a tiny 8x8x3.3mm package, making it ideal for use in tight spaces.