电动助力转向

Allegro 每年为电动助力转向 (EPS) 系统提供的部件数量超过 1 亿个。 从栅极驱动器、PMIC 和电流传感器到锁存器、线性和角度传感器，Allegro 为 EPS 提供除微处理器之外的所有器件。 

得益于我们展现出的质量控制和安全文化，我们的器件得到了全球 OEM 的信赖，在这些安全要求极高的系统中大量采用。 Allegro 是美国 ISO 26262 技术咨询小组的创始成员，我们的 ISO 26262 开发流程获得了 SGS-TUV Saar GmbH 的认证。 我们非常关注终端消费者的安全。
Electric Power Steering - Automotive Steering Diagram
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    Motor Phase Disconnect

    A89103 - Automotive 3-Phase Isolator MOSFET Driver with Reverse Battery and Battery Disconnect Channels

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    Phase Current Sensing

    ACS37220 - Low-Resistance Current Sensor IC with Overcurrent Fault Protection

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    Motor Position Sensing

    A33020 - Stray Field Immune, High-Speed, Hall-Effect Angle Sensor IC for Electrified Vehicle Applications

    A33022 - Stray-Field-Immune, Hall-Effect Angle Sensor IC with SPI, PWM, and SENT Interfaces

    A33110 - Precision TMR Angle Sensor with Integrated Diagnostics

    A33115 - Precision TMR Angle Sensor with Integrated Diagnostics and Turns Counter

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    Phase Current Sensing

    ACS72981 – 0 to 200 A Integrated Conductor Current Sensor

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    Phase Current Sensing

    ACS72981 – 0 to 200 A Integrated Conductor Current Sensor

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    BLDC Motor Driver

    A4918 – Three-Phase MOSFET Driver for 12 or 24V Systems

    AMT49106 – 50V BLDC Gate Driver with Low Voltage Operation 

     
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    Handwheel Angle Sensor

    A33022 - Stray-Field-Immune, Hall-Effect Angle Sensor IC with SPI, PWM, and SENT Interfaces

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    Handwheel Torque Sensor

    A31102 – Linear Hall IC with Advanced Diagnostics

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    System Power Conversion

    ARG81402 – Multi-Output Regulator with Buck Pre-Regulator

    A81407 – Buck or Buck-Boost Pre-Regulator

    ARG82801 – Fully Integrated PMIC plus for 4x High Side Gate Drivers

     
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特色产品

AMT49106 and AMT49107

50 V BLDC Gate Drivers with Low-Voltage Operation

ARG81402

Multi-Output Regulator with Buck Pre-Regulator, 5× LDO Outputs, Watchdog, and SPI
ACS72981 Product Image

ACS72981

具有 200 μΩ 电流导体基于霍尔效应的高精度线性电流传感器 IC

AAS33001

Precision Angle Sensor IC with Incremental and Motor Commutation Outputs and On-Chip Linearization

使用我们的大电流栅极驱动器在 EPS 电机中实现甚至超过 20kHz 的开关频率

  • ASIL-D 等级
  • 领先的瞬态性能
  • 优化的特性和尺寸

技术文章

开发 ADAS 应用时的 6 点注意事项 »

选择指南和解决方案指南

Allegro 产品选择指南

应用手册

采用角度传感器 IC 的 Allegro 电机驱动解决方案»

估算 MOSFET 最大开关频率 »

测量 50 安培以上电流的秘诀»

Allegro 角度传感器使用指南»

电动助力转向系统的环形磁体速度感应 »

A31100 和 A31102 的线性化和两点编程 

Circular Vertical Hall Sensor Technology Video

圆形垂直霍尔传感器 IC 技术概述

Published

Allegro 系列非接触式霍尔磁性高分辨率 360° 角度传感器 IC 旨在用于安全关键汽车和工业应用。借助片上系统 (SoC) 架构，它们可以实现快速输出刷新率和低信号路径延迟。

on axis vs off axis video clip

On Axis vs. Off Axis Angle Sensor IC Measurement Configurations

Published

Allegro’s family of contactless Hall magnetic high resolution 360° angle sensor ICs are designed for safety critical automotive and industrial applications. With their system-on-chip (SoC) architectures, they provide fast output refresh rates and low signal path latency.