LED Drivers
EMC-optimized LED drivers for dependable, interference-free lighting.
Allegro's LED drivers combine high efficiency, flexible topologies, and Grade 0 reliability to support a wide range of automotive and industrial lighting applications. With proprietary BCD process technology enabling 175°C operation and superior thermal performance, they're built for safety in both exterior lighting and interior displays. EMC-tested with advanced slew rate control and backed by proven reference designs, our solutions simplify compliance and accelerate your design process.
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ClearPower LED Driver Modules
Illuminate with confidence using our ClearPower LED driver modules, delivering efficient, low-noise lighting control with proprietary BCD process advantages.
LED Drivers for Backlighting
Create vibrant displays with our LED drivers optimized for backlighting, featuring advanced current matching and thermal derating for uniform brightness and dynamic dimming capabilities.
LED Drivers for Lighting
Power your lighting designs with our advanced LED drivers, offering efficient and flexible solutions with superior thermal management and 175°C operation.
Documentation & Resources
Application Note
Design Considerations in Selection of Converter Configuration for Automotive LED Headlight Applications
This application note discusses LED headlights for two-wheelers, passenger vehicles, commercial vehicles, and mild hybrid vehicles, and explores battery voltage and power requirements for the headlights used in these vehicles.
Technical Article
Overcoming Long Term Reliability Challenges in Two-Wheeler Rear Combination Lamps
P0240: Using Allegro's LED drivers with integrated noncontact Hall-effect switches instead of mechanical switches can prevent corrosion and improve the reliability of LED systems in RCL applications.
Application Note
Two Wheeler Stop/Tail LED Driver
AN296207 - In two-wheeler stop and tail light applications, particularly those that use a Rear Combination Lamp (RCL), OEMs use LEDs instead of incandescent bulbs to ensure longer application life.
Technical Article
Pre-Emptive Boost Control Improves LED Driver Performance
This article demonstrates the PWM dimming benefits achieved by PEB when compared to the behavior of conventional LED driver control methods.
Application Note
Buck Controller Implementation Using A80803 with Slew-Rate Control for 48 V Automotive LED Headlight Applications
The proliferation of light-emitting diode (LED) drivers in various automotive applications over the past decade has been driven by a need for efficient lighting and aesthetics.
Application Note
High Voltage Buck-Boost LED Headlamp Driver Using Allegro A6271-1
This application note discusses the features and application of the Allegro A6271-1 switching LED controller in automotive high-power applications when driving a high number of LEDs.