Garden and Power Tools

The modern generation of power and garden tools are portable, reliable and powerful, with increased efficiency and battery life. Give your designs a competitive edge with power and sensing solutions from Allegro.

We help customers meet evolving requirements by integrating functions, reducing package sizes, and improving ease of use to help manufacturers reduce costs, simplify bills of materials (BOMs), and enable smaller form factors. Our brushless DC motor drivers combine high reliability with quiet, efficient performance in small package options, and our robust magnetic Hall sensors offer contactless solutions for reliably sensing position, linear motion, and angle.

Power Tools Application Diagram
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    Input Detection

    Trigger and Illumination

    A1393 - Micropower 3 V Linear Hall-Effect Sensor

    APS11753 - Micropower Hall Switch

    A1205 - Continuous-Time Bipolar Switch

    CT8150 - Integrated Omnipolar TMR Analog Sensor

    Interlock Switch

    A1120 – Hall Switch

    Knob

    A1330 – Programmable Angle Position Sensor

    A31301 - Low Power 3D Magnetic Position Sensor

    Close
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    Battery Charging and Management

    Current Monitor

    ACS724-5 – 0 A - 65 A AC or DC Current Sensor 

    CT41x –1MHz, High Precision XtremeSense TMR Isolated Current Sensor

    ACS37220 - Low Resistance, High Power Density Current Sensor

    ACS37610 - Low Noise, Standalone, Coreless Current Sensor

    ACS37612 - Standalone Coreless Differential Current Sensor

    Regulator

    APM81815 - 80V, 1.5A Synchronous Buck Regulator

    A81805 - 40 V, 2.5 A, Synchronous Buck Regulator

    Close
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    Motor Control

    Gate Driver

    A89211/2 - 60/90V Three-Phase Motor Driver with Integrated ARM Cortex Processor

    A4919 – Three-Phase MOSFET Driver with Integrated Regulator

    A89500 – 100 V Fast Switching Half Bridge MOSFET Driver

    AMT49413 – High Power BLDC MOSFET Controller

    View all motor drivers  »

    Phase Disconnect

    A6861 – Three-Phase Isolator MOSFET Driver

    Close
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    Motor Feedback

    Motor Position Sensor

    APS12202 - Hall-Effect Latch

    Current Sensor

    ACS724-5 – 0 A - 65 A AC or DC Current Sensor

    ACS711 – 0 A - 31 A Hall Current and Fault Sensor

    CT41x –1MHz, High Precision XtremeSense TMR Isolated Current Sensor

    Close
Garden Tools Application Diagram
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    Input Detection

    Trigger and Lever

    A1391 – 3 V Linear Sensor with Sleep Mode

     

    Interlock Switch

    A1120 – Hall Switch

     

    Knob

    A1330 – Programmable Angle Position Sensor

    Close
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    Illumination

    Workspace Light

    A6260 – High Brightness LED Current Regulator

    Close
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    Propulsion

    Gate Driver

    A4931 – Three-Phase Brushless DC Motor Pre-Driver

     

    Motor Position Sensor

    APS13290-1 – Precision Hall-Effect Latches

     

    Close
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    Motor Control

    Gate Driver

    A5932 – Three-Phase Sensorless Sinusoidal Fan Controller

    A4919 – Three-Phase MOSFET Driver with Integrated Regulator

    A89500 – 100 V Fast Switching Half Bridge MOSFET Driver

    AMT49413 – High Power BLDC MOSFET Controller

    View all motor drivers  »

     

    Phase Disconnect

    A6861 – Three-Phase Isolator MOSFET Driver

    Close
  • More

    Motor Feedback

    Motor Position Sensor

    APS13290-1 – Precision Hall-Effect Latches

     

    Current Sensor

    ACS724-5 – 0 A - 65 A AC or DC Current Sensor

    ACS711 – 0 A - 31 A Hall Current and Fault Sensor

    CT41x –1MHz, High Precision XtremeSense TMR Isolated Current Sensor

    Close

Featured Products

Allegro-28-terminal-QFN-ET-and-28-pin-TSSOP-LP-packages

A4919

Three Phase MOSFET Driver with Integrated Regulator
48 Pin 7x7 EV Package

A89211 and A89212

The A89211/A89212 is a high-performance MCU designed for advanced standalone three-phase BLDC and PMSM motor control applications
1mhz, high precision xtremesense TMR isolated current sensor in SOIC-8 Package

CT41x

The CT41x family is a high bandwidth, fast response and ultra-low noise integrated contact current sensors that enables high accuracy current measurements.
APS12753 - Low voltage micropower latch for automotive and industrial applications - MD package

APS11753

Micropower Switches for Battery-Powered and Eco-Conscious Applications

Documentation & Resources

Enhancements to Slide-By Detection with Linear Sensors
Application Note

Enhancements to Slide-By Detection with Linear Sensors

AN296200 - This application note presents a modified solution to magnetic sensing in long stroke applications. Through the incorporation of a microcontroller, a lower cost solution can be realized with fewer linear sensors than previously existing arc tangent solutions.
Single Gate Driver Design Enables Wide Range of Battery Voltages for Various Motor Power Levels
Technical Article

Single Gate Driver Design Enables Wide Range of Battery Voltages for Various Motor Power Levels

P0239 - This article discusses the challenges of trying to accommodate wide-ranging battery voltages and motor powers in a single driver design.
Modern Motor Drivers Enable a Common Platform for Power Tool Designs
Technical Article

Modern Motor Drivers Enable a Common Platform for Power Tool Designs

Our brushless DC motor drivers help you design a common platform to address both high power and lower power designs. We integrate functions to allow for a single-platform approach, reducing engineering development cycles and improving time to market.
Single-Platform Design Can Reduce the Cost of Research and Development for Cordless Power Tools
Technical Article

Single-Platform Design Can Reduce the Cost of Research and Development for Cordless Power Tools

P0193 - Power Tool engineers are duplicating resources with current product designs as they often use different motor drivers, manufacturers, design layouts for each product variation. This article reviews options to utilize a single platform in a wide array of applications – saving design time and complexity, improving time-to-market, and reducing overall cost.
A4915 Demo Board Video
Video

A4915 Demo Board Video

The Allegro A4915 Three-Phase MOSFET Driver’s innovative speed input and fully integrated block commutation delivers simple speed control of a BLDC motor with a single analog voltage.
A4915 Product Overview Video
Video

A4915 Product Overview Video

The Allegro A4915 Three-Phase MOSFET Driver’s innovative speed input and fully integrated block commutation delivers simple speed control of a BLDC motor with a single analog voltage.
Estimating Maximum MOSFET Switching Frequency
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.
Bootstrap Supply and Circuit Guidelines
Application Note

Bootstrap Supply and Circuit Guidelines

This application note describes the operation of the bootstrap circuit and guidelines in selecting a bootstrap capacitance value to ensure normal operation of the gate drives.
Innovative Motor Control
Brochure

Innovative Motor Control

With decades of experience, our embedded motion control algorithms in our motor driver ICs simplify designs while improving motor performance and time to market. Download brochure to learn more.
Innovative FOC Motor Control: Improve Time to Market by Eliminating Software Development
Whitepaper

Innovative FOC Motor Control: Improve Time to Market by Eliminating Software Development

This paper will focus on the basics of the sensorless control algorithm, the advantages of different sensing techniques, and how the GUI can drive a full-featured sensorless sinusoidal BLDC motor with no software programming required.
Driving Inductive Loads
Application Note

Driving Inductive Loads

This application note outlines common techniques and challenges in the employment of a single half-bridge driver configuration to control current in a simple two-terminal inductive load.
A Scalable Approach to Power Tool Designs
Brochure

A Scalable Approach to Power Tool Designs

Achieve all of your design goals for voltage and power levels with a single-platform architecture by combining Allegro drivers, sensors, and regulators.
Latching Switch Hall-Effect IC Basics
Application Note

Latching Switch Hall-Effect IC Basics

There are four general categories of Hall-effect IC devices that provide a digital output: unipolar switches, bipolar switches, omnipolar switches, and latches. Latching Hall-effect sensor ICs, often referred to as "latches," are digital output Hall-effect switches that latch output states.
Guidelines for Using Allegro Angular Sensors
Application Note

Guidelines for Using Allegro Angular Sensors

Many applications in different industries, such as in industrial automation and automotive sensors and actuators, require monitoring the angle of a rotating shaft either in an on-axis or off-axis arrangement. This application note is dedicated to a review of on-axis magnetic applications.
Hall-Effect IC Applications Guide
Guide

Hall-Effect IC Applications Guide

Allegro MicroSystems uses the latest integrated circuit technology in combination with the century-old Hall effect to produce Hall-effect ICs. These are contactless, magnetically activated switches and sensor ICs with the potential to simplify and improve electrical and mechanical systems.

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