Headlight
Headlight
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
- High-accuracy LED current control.
- Comprehensive diagnostics for fault identification.
- Minimized conducted and radiated emissions.
- Flexibility to create scalable headlight systems.
LED headlight circuit designs require:
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Block diagram
Find products and reference designs for your system.
Headlight - DRL/position LED driving module
Headlight - HB/LB LED driving module
Headlight - adaptive LED board
Headlight - adaptive LED driving module
Headlight - basic LED driving module
Headlight - high resolution DLP module
Headlight - high resolution DLP module
LED driver
The LED driver supplies constant current to the LEDs and has circuit and LED fault detection capabilities. For high current LEDs, switching LED drivers are used in order to improve efficiency and mitigate thermal dissipation. Linear LED drivers are used for low current LEDs in order to simplify system design.
Power management (6)
Automotive LED drivers
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TPS929121-Q1—12-channel automotive 40-V high-side LED driver with FlexWire interface
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LM3409-Q1—42-V automotive PFET buck controller for high power LED Drives
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TLC6C5912-Q1—Automotive power logic 12-bit Shift Register LED driver
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TPS92623-Q1—Automotive three-channel high-side LED driver with thermal sharing
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TPS92624-Q1—Automotive four-channel high-side LED driver with thermal sharing
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TPS92691-Q1—Automotive multi-topology LED driver with rail-to-rail current sense amplifier
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TIDA-01382—Automotive Daytime Running Light (DRL) LED Driver Reference Design with Linear Thermal Foldback
Technical documentation
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