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
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    Motor Phase Disconnect

    A6861 – Three-Phase Isolator MOSFET Driver

    A6862 – Three-Phase Isolator MOSFET Driver

    A81407 – Buck or Buck-Boost Pre-Regulator

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

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    Phase Current Sensing

    ACS72981 – 0 to 200 A Integrated Conductor Current Sensor

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    Motor Position Sensing

    AAS33001 – Dual Die CVH Angle Sensor

    AAS33051 – CVH Angle Sensor IC

     
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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

    A4911 – Three-Phase MOSFET Driver for 12 or 24V Systems

    A4916 – Three-Phase MOSFET Driver for 12 or 24V Systems

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

    AMT49106 and AMT49107 – 50V BLDC Gate Drivers with Low Voltage Operation

    AMT49100/1 – Three-Phase MOSFET Driver for 48V System

     
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    Handwheel Angle Sensor

    A33003 – CVH Angle Sensor

     
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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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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

Circular Vertical Hall Sensor IC Technology Overview

Published June 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 Angle Sensor IC Measurement Configurations

Published April 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