すべてのドライブに、高精度と安全性を
Allegroは、ステアリングやブレーキからディスプレイ、自動運転システムに至るまで、精度と信頼性を重視して設計されたソリューションにより、極めて重要な先進運転支援システム（ADAS）や安全機能をサポートします。当社のポートフォリオには、電流センサ、ポジションセンサ、スピードセンサ、モータドライバ、車載用PMICがあり、そのすべてがASIL準拠、耐熱性、そして安全性が重視される環境における長期的なパフォーマンスを実現するよう設計されています。
用途
電動パワー ステアリング
ゲート ドライバーから、PMIC、電流センサー、ラッチ、リニア センサー、角度センサーまで Allegro は、マイクロプロセッサーを除く EPS に必要なすべてのものを提供します。
ステアバイワイヤ
Allegro のパワー IC およびセンサー製品を使用して、優れた路面感覚と最高レベルの安全性と品質を実現できます。
ブレーキ システム
信頼性と精度を追求して設計されたAllegroの車載対応モータドライバ、PMIC、センサが、より安全でスマートなブレーキングを可能にします。
ヘッドアップ ディスプレイ
AllegroのLEDドライバおよびモータドライバは、幅広い輝度制御と高精度な画像安定性により、鮮明で安定したHUDビジュアルを実現します。
検出および測距
Allegroの効率的な電源レギュレーションとドライバが、LidarおよびRadarシステムにおける高速かつ正確な物体検知と衝突回避を可能にします。
照明
AllegroのLEDドライバは、車内アンビエンスと車外視認性の両方に対応する堅牢かつ柔軟なソリューションにより、車載照明設計を簡素化します。
シート ポジション
当社のデジタル ポジション センサーは、セーフティクリティカル システムが ISO 26262 ガイドラインを満たすために必要な独自の機能を提供します。 大手 OEM や一流のサプライヤーが、シート ポジション用途での、当社のホール効果スイッチを信頼しています。
シートベルト
現在、Allegro のすべてのポジション センサーは、ISO 26262 に準拠して開発されています。お客様は、当社の単極ホール効果スイッチがシートベルト用途で性能を発揮することを確信できます。
ドライバー監視
Allegroの小型赤外線LEDドライバは、EMIと基板面積を削減し、より小型で高効率、かつ信頼性の高いドライバ監視システムの構築を支援します。
Documentation & Resources
Application Note
Estimating Maximum MOSFET Switching Frequency
AN296216 - This application note describes how to calculate the maximum power MOSFET switching frequency in BLDC motor gate drives.
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
Magnetic Sensor ICs Offer Integrated Diagnostics for ASIL Compliance
The ever-evolving requirements of the automotive, industrial, and commercial markets for increased reliability and functionality will continue to drive demand for electronic content, including non-contact magnetic sensor ICs with diagnostics.
Application Note
Achieving Fast SENT Message Response with A1346 Linear Hall-Effect Sensor ICs on Shared Bus
AN296131 - In safety-critical magnetic sensing applications, such as torque sensing in electronic power steering (EPS) modules, redundant sensors are often the approach used to achieve desired performance while maintaining strict safety requirements.
Whitepaper
Top Motor Braking Trends In The Automotive Industry
This whitepaper examines the most promising trends in electronic braking and introduces our sensor IC solutions for automotive applications.
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.
Technical Article
Six Things to Consider When Building ADAS
Emerging trends in the automotive industry place greater demand on automakers to enhance automobiles’ safety and drivability. Discussed below are six essential considerations that engineers should look at when designing vehicles with cutting-edge ADAS.
Technical Article
The Future of Automotive Wheel Sensing with GMR
P0083 - With the rise of vehicle electrification, computerized control systems, and subsystem reliability monitoring, it has become essential for systems to have accurate rotational information for each wheel of the vehicle.
Application Note
Differential Hall-Effect Sensors: Safer and More Reliable for Two-Wheelers of the Future
AN296173 - The use of electronic controls for engine, transmission, and wheel speed in two- and three-wheeled vehicles is growing, particularly in developing nations. This trend is largely driven by mandates to improve air quality, fuel efficiency, and vehicle safety worldwide.
Application Note
Allegro Motor Driving with Angular Sensor IC
AN296171 - This application note will describe how to use Allegro’s motor driver and angle sensor solutions to enable precise driving and reliable monitoring of brushless DC (BLDC) motors.
Application Note
Advanced On-Chip Linearization in the A1335 Angle Sensor IC
AN296127 - This document shows how magnetic-input-related errors in excess of ±20 degrees can be linearized by the A1335 to as low as ±0.3 degrees—roughly a 65× improvement.
Application Note
Linearization and Two-Point Programming on the A31100 and A31102
AN296213 - This application note highlights the procedure for calculating the magnetic field compensation parameters through two-point programming and calculating the linearization coefficients using our available software tools with the intention of providing an easy-to-use guide to programming these sensor ICs.
Technical Article
Functional Safety Challenges to the Automotive Supply Chain
The electronic content in automobiles has increased steadily over the past few decades and shows no signs of slowing as many high-tech firms and OEMs race towards the development of fully autonomous vehicles.
Application Note
Guidelines for Using Allegro Angular Sensors
Many applications in different industries, such as in industrial automation and automotive sensors and actuators, require monitoring the angle of a rotating shaft either in an on-axis or off-axis arrangement. This application note is dedicated to a review of on-axis magnetic applications.
Application Note
Vehicle Safety Systems
Occupant safety is one of the most critical elements of the automobile design. As a result, safety systems continue to become more sophisticated in order to limit, and ultimately prevent, personal injury in the case of an accident.