L99LD21 - STMicroelectronics

L99LD21 High power LED driver

L99LD21 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  Boost Section – Fix.

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
 Boost Section
  – Fixed frequency architecture, programmable by SPI
  – Peak current mode control
  – Dual phase operation supported
  – Input current limitation
  – Soft start
  – Overvoltage protection (OVP)
  – Short feedback failure protection
  – Constant voltage control
 Buck section
  – Integrated switching mosfets
  – Lossless current sensing without need of external .