Headlight

Products and reference designs

Headlight

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Overview

Our integrated circuits and reference designs for automotive headlight applications help you create compact, efficient and reliable adaptive front-lighting systems (AFS), adaptive beam (ADB) and high-resolution headlight systems while meeting stringent automotive EMC requirements.

Design requirements

    LED headlight circuit designs require:

  • High-accuracy LED current control.
  • Comprehensive diagnostics for fault identification.
  • Minimized conducted and radiated emissions.
  • Flexibility to create scalable headlight systems.

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Headlight - adaptive LED driving module

LED driving module LED driving module Adaptive LED board Adaptive LED board M M M M High beam High beam Low beam Low beam DRL DRL Position Position Cornering Cornering Fog Fog Turn Turn Side Side CAN transceiver CAN transceiver LED matrix manager LED matrix manager Car battery Car battery Body control module Body control module Temperature sensor Temperature sensor Power supply Power supply Reverse voltage protection Reverse voltage protection Voltage supervisor Voltage supervisor Watchdog Watchdog Voltage regulator Voltage regulator LED power supply LED power supply Voltage regulator Voltage regulator LED driver LED driver Constant current regulator Constant current regulator Communication interface Communication interface CAN / LIN CAN / LIN CAN / LIN ESD CAN / LIN ESD Diagnostic inputs Diagnostic inputs OP amp OP amp Comparator Comparator Reference Reference MCU MCU MCU MCU Thermal protection Thermal protection Temp sensor Temp sensor CAN transceiver CAN transceiver CAN transceiver CAN transceiver Fan driver Fan driver High side switch High side switch Level/swivel control Level/swivel control Motor driver Motor driver

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