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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。

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ClearPower LED Driver Modules Callout Image

ClearPower LED ドライバー モジュール

Allegro の ClearPower 照明モジュールは、卓越した EMI パフォーマンスと熱特性で、高度統合ソリューションに使用される幅広い最新アプリケーションに対応します。

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LED Drivers for Backlighting

LED Light Sources are required for everything from mobile phones to navigation, monitors, televisions, and even automotive instrument clusters and driver information systems. These panels need a backlighting source, which is now dominated by LED drivers and linear LED lighting.

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LED Drivers for Lighting

Allegro led lighting drivers lead the industry in reliability and robustness, offering a large selection of wide-input, Grade 0, LED Driver ICs.

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Featured Products

A80803

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

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A6211 Package Image

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.

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ALT80800 Product Image

ALT80800

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

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ALT80802 Package Image

ALT80802

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

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Documentation & Resources

Buck Controller Implementation Using A80803 with Slew-Rate Control for 48 V Automotive LED Headlight Applications

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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Design Considerations in Selection of Converter Configuration for Automotive LED Headlight Applications

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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Overcoming Long Term Reliability Challenges in Two-Wheeler Rear Combination Lamps

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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Two Wheeler Stop/Tail LED Driver

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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Pre-Emptive Boost Control Improves LED Driver Performance

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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High Voltage Buck-Boost LED Headlamp Driver Using Allegro A6271-1

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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