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LED ドライバー

Allegro の LED ドライバーは、信頼性と堅牢性において業界をリードする一方で、広範な用途の要件で柔軟性に富み、容易に使用できます。

Allegro では、設計プロセスを簡素化、短縮するために、社内の EMC ラボでテストされた実績ある EMC リファレンス設計を提供します。さらに、当社の適切に訓練されたフィールド担当者は、地域レベルでお客様のプロジェクトをサポートできます。

バックライト用 LED ドライバー

Allegro は、入力電圧範囲において、1 列当たりの LED 数、列数、および LED 電流に関するお客様の要件に合わせて、さまざまなバックライト用高度統合 LED ドライバーを提供しています。

当社の AEC-Q100 認定デバイスは、全車載電圧および温度範囲で動作します。

詳細をご覧ください

照明用 LED ドライバー

幅広いトポロジ、チャンネル数、出力電流、および機能により、車載用照明、構造照明、看板、その他のあらゆる用途で最適化します。高度統合 LED ドライバー IC は、小さなソリューションフットプリントで柔軟性と機能性を実現します。

ドライバーをご覧ください

Featured Products

A80803

Multi-Topology LED Driver with PWM Dimming and Seamless High/Low Intensity Modes

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A6211

The A6211 is a single IC switching regulator that provides constant-current output to drive high-power LEDs. It integrates a high-side N-channel DMOS switch for DC-to-DC step- down (buck) conversion. A true average current is output using a cycle-by-cycle, controlled on-time method.

詳細をご覧ください

ALT80800

Automotive-Grade, Constant-Current 2.0 A PWM Dimmable Synchronous Buck LED Driver

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ALT80802

Wide Input Voltage, Adjustable Frequency, Buck-Boost or Buck 2 Amp LED Driver

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Documentation & Resources

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 ...

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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 ...

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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 ...

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Application Note

Two Wheeler Stop/Tail LED Driver

October 28, 2020

AN296207 - In two-wheeler stop and tail light applications, particularly those that use a Rear Combination Lamp (RCL), OEMs use LEDs instead of ...

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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 ...

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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.

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