L99LD20

L99LD20 High power LED driver for automotive applications 4)1/[ *$'*36 Features AEC-Q100 qualified General – ST SPI communication v4.1 – 5.5 to 24 V Operating battery voltage range – Load dump protected – QFN40L 6x6 (wettable flanks) with exposed pad – Timeout watchdog and limp home function – Low standby current Buck section – Integrated switching mosfets – Lossless current sensing without need of external components – Very accurate LED current setting programming inductor's peak current and peak-to-peak current ripple – Adjustable peak current by SPI – Adjustable current ripple by SPI – Integrated PWM generation unit with 10-bit resolution and phase shift – Peak current control – Constant VLED x TOFF architecture Protection and diagnostic – Battery under voltage – Temperature warning (2 thresholds) – Overtemperature shutdown – LED voltage digital feedback through SPI – Buck outputs short circuit and open load p...