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Electric Power Steering

Did you know that Allegro ships over 100 million parts into EPS systems every year? From gate drivers, PMICs and current sensors to latches, linear and angle sensors—Allegro offers everything you need for your EPS but the microprocessor. 

OEMs around the globe trust our devices in these safety critical systems because of our demonstrated culture of quality control and safety. Allegro is a founding member of the US Technical Advisory Group for ISO 26262, and our ISO 26262 development process is certified by SGS-TUV Saar GmbH. We care about keeping your end consumer safe.
Electric power steering block diagram

Featured Products

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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Achieve and Exceed 20kHz Switching in Your EPS Motor with our High-Current Gate Drivers

  • ASIL-D Rated
  • Leading Transient Performance
  • Optimized Features & Footprint

Achieve and Exceed 20kHz Switching in Your EPS Motor with our High-Current Gate Drivers

  • ASIL-D Rated
  • Leading Transient Performance
  • Optimized Features & Footprint

Technical Articles

6 Things to Consider When Building for ADAS »

Selection & Solution Guides

Allegro Product Selection Guide

Application Notes

Allegro Motor Driving with Angular Sensor IC »

Estimating Maximum MOSFET Switching Frequency »

Secrets of Measuring Currents Above 50 Amps »

Guidelines for Using Allegro Angular Sensors »

Ring Magnet Speed Sensing for Electronic Power Steering »

Linearization and Two-Point Programming on the A31100 and A31102 

Circular Vertical Hall Sensor Technology Video

Circular Vertical Hall Sensor IC Technology Overview

Published 六月 03, 2019

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. Watch Video
on axis vs off axis video clip

On Axis vs. Off Axis Angle Sensor IC Measurement Configurations

Published 四月 08, 2019

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. Watch Video