用于照明的 LED 驱动器
我们的先进 LED 驱动器可为您的照明设计注入强大动力，其高效灵活的解决方案、卓越的热管理性能以及 175°C 的工作温度，能为您实现可控的精准照明效果。
Featured Products
A80803
Multi-Topology LED Driver with PWM Dimming and Seamless High/Low Intensity Modes
A80804
4-Channel High-Power Linear LED Driver With Individual PWM Control
ALT80800
Automotive-Grade, Constant-Current 2.0 A PWM Dimmable Synchronous Buck LED Driver
A6217
The A6217 is a single IC switching regulator that provides constant-current output to drive high-power LEDs.
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.
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.
Application Note
An Efficient Voltage-Optimized LED Driver (A80804) with Buck-Boost Controller (A4450)
This application note presents the implementation of an adaptive preregulator whose output voltage is dynamically adjusted to provide optimal voltage to a linear LED driver
Brochure
Brochure: LED Headlamps for Mainstream Vehicles
The A80803 is a switch-mode, constant-current controller for high-power LED automotive lighting applications that addresses many common pain points for headlight designers.
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.