照明用 LED ドライバー
優れたサーマルマネジメントと175°Cでの動作を特長とする当社の先進的なLEDドライバは、効率的で柔軟なソリューションを提供し、鮮やかで制御性に優れた照明を実現します。
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
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.
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.
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
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
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