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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 block diagram

特色产品

AMT49106 and AMT49107

50 V BLDC Gate Drivers with Low-Voltage Operation

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ARG81402

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

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ACS72981 Product Image

ACS72981

High-Precision Linear Hall-Effect-Based Current Sensor IC With 200 μΩ Current Conductor

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AAS33001

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

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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

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.

Documentation & Resources

Technical Article

Six Things to Consider When Building ADAS

December 17, 2021

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.

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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.

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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 ...

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Technical Article

How Hardware Selection Impacts Driver Experience in EPS Systems

June 12, 2023

P0234: Electric power steering systems have become popular in automotive manufacturing, displacing their mechanical counterparts because they save space, weight, emissions, and reduce fit complexity.

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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.

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