LED Drivers for Backlighting Allegro MicroSystems LED Drivers for Backlighting are a variety of highly integrated LED drivers designed to match requirements for input voltage range, number of LEDs per string, number of strings, and LED current. The LED Drivers offer reliability and robustness, with AEC-Q100 Grade 0 qualification. Furthermore, the LED Drivers for Backlighting feature operation to 150°C, protection against pin-to-pin shorts and open/shorted external components, and built-in fault diagnostic capabilities.