バックライト用 LED ドライバー
バックライトに最適化された当社のLEDドライバは、高度な電流マッチングとサーマルディレーティング機能を搭載。均一な輝度とダイナミック調光機能により、鮮やかで一貫性のあるディスプレイ表示を実現します。
Featured Products
ALT80600
LED Driver with Pre-Emptive Boost for Ultra-High Dimming Ratio and Low Output Ripple
A80601-4
High Power LED Driver with Pre-Emptive Boost for Ultra-High Dimming Ratio and Low Output Ripple
A80602-5
High Power LED Driver with Pre-Emptive Boost for Ultra-High Dimming Ratio and Low Output Ripple
A80606
The A80606 is a next generation LED backlighting driver IC for higher LED current applications including fault support for ASIL B systems.
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.
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.