Transmission

Meeting stringent emissions and fuel economy standards requires modern transmissions to operate with greater precision and efficiency than ever before, especially as they integrate with hybrid powertrain designs.

Built on decades of expertise, Allegro's transmission speed sensors offer industry-leading vibration immunity and dynamic air gap capability. Our advanced algorithms compensate for system-level disturbances, guaranteeing stable output for precise transmission control. To provide the reliable, high-accuracy speed data needed for smooth gear shifting and optimized control strategies, directly contributing to improved fuel efficiency and reduced vehicle emissions.

Transmission - Conventional Powertrain Application Diagram
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    Parking Lock/Gear Fork Position Sensor

    ATS344 - High-Precision Programmable Linear Hall-Effect Sensor IC with PWM Output

    A31315 - 3D Magnetic Position Sensor

    A31316 - 3D PCB-less Magnetic Position Sensor IC for Harsh Environments

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    Transmission Input Speed Sensor

    A19420 - High-Accuracy Hall-Effect Transmission Speed Sensor IC with ASIL B Compliance

    A19520 - Vibration-Tolerant Hall-Effect Transmission Speed and Direction Sensor IC with ASIL Compliance

    ATS19520 - ASIL-Compliant Hall-Effect Transmission Speed and Direction Sensor IC for Ferrous Targets

    ATS19580 - Large Air Gap GMR Transmission Speed and Direction Sensor IC with ASIL Compliance

    ATS19581 - High-Feature GMR Transmission Gear Tooth Sensor IC with Extended Air Gap and Diagnostics

    ATS19480 - Large Air Gap GMR Transmission Speed Sensor IC for Gear Tooth Sensing

    A19530 - High-Feature Three-Wire Hall-Effect Transmission Speed and Direction Sensor IC

    ATS693 - Three-Wire, Differential, Vibration-Resistant Gear Tooth Sensor IC with Speed and Direction Output

     

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    Transmission Output Speed Sensor

    A19520 - Vibration-Tolerant Hall-Effect Transmission Speed and Direction Sensor IC with ASIL Compliance

    ATS19520 - ASIL-Compliant Hall-Effect Transmission Speed and Direction Sensor IC for Ferrous Targets

    ATS19580 - Large Air Gap GMR Transmission Speed and Direction Sensor IC with ASIL Compliance

    ATS19581 - High-Feature GMR Transmission Gear Tooth Sensor IC with Extended Air Gap and Diagnostics

    A19530 - High-Feature Three-Wire Hall-Effect Transmission Speed and Direction Sensor IC

    ATS693 - Three-Wire, Differential, Vibration-Resistant Gear Tooth Sensor IC with Speed and Direction Output

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    3-Phase BLDC Gate Driver

    A89303 - Three-Phase Sensorless Pump Driver IC with Fast Startup

    A4910 - Automotive 3-Phase MOSFET Driver with Integrated Current Sensing, Diagnostics, and 50V Operation

    A5931 - Three-Phase Sensorless Sinusoidal Fan Driver IC

    A5932 - Automotive Three-Phase Sensorless Sinusoidal Fan Controller

    AMT49105 - Automotive Three-Phase MOSFET Driver System IC with LIN Interface and Diagnostics

    A89307 - Automotive FOC BLDC Motor Controller with Integrated Gate Driver

    A89224 - 90V Automotive Three-phase Motor Driver with Integrated ARM M4 Cortex MCU

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    Position Sensor

    APS12625 - 2D Hall-Effect Speed and Direction Sensor ICs with Functional Safety

    APS12626 - 2D Hall-Effect Speed and Direction Sensor ICs with Functional Safety

    A33230 - 3D Hall-Effect Sensor IC for Angle Measurement

     

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    Gear Position Sensor

    APS11450 - Three-Wire Hall-Effect Switch with Advanced Diagnostics for Functional Safety

    APS11060 - Automotive-Grade Planar and Vertical Hall-Effect Switches with Enhanced Protection

    APS11200 - High-Temperature Precision Hall-Effect Switch with ASIL Compliance

    A31315 - 3D Magnetic Position Sensor

    A31316 - 3D PCB-less Magnetic Position Sensor IC for Harsh Environments

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    PMIC

    A4412 - Automotive Multi-Output PMIC with Buck/Buck-Boost Pre-Regulator, Synchronous Buck, and SPI Control

    A81411 - Automotive PMIC with Buck-Boost Pre-Regulator, 5 Linear Regulators, and SPI

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Featured Products

Allegro 2-Pin SIP UB Package

A19420

The A19420 is an optimized Hall-effect integrated circuit (IC) that measures the speed of rotating targets. This sensor IC can be used to directly measure ring magnets or be back-biased with a magnet to measure ferrous targets.
Allegro 2-Pin SIP UB Package

A19520

The A19520 is an advanced vibration-tolerant Hall-effect integrated circuit (IC) that measures the speed and direction of rotating targets, ideal for transmission applications.
A4911 Product Image

A4911

The A4911 is an n-channel power MOSFET driver capable of controlling MOSFETs connected in a three-phase bridge arrangement.
A4412 Product Image

A4412

Buck or Buck/Boost Pre-Regulator with a Synchronous Buck, 5 Internal Linear Regulators, Pulse-Width Watchdog Timer, and SPI