园艺工具和电动工具

现代化的电动工具和园艺工具应体积小巧、可靠性高且性能强悍，并具有更高的效率和更长的电池寿命。 Allegro 的电源和传感解决方案可以让您的设计获得竞争优势。

我们通过集成功能、缩小封装尺寸和提高易用性来帮助制造商降低成本、简化物料清单 (BOM) 并实现更小的外形尺寸，帮助客户满足不断变化的需求。我们的无刷直流电机驱动器在小型封装选项中结合了高可靠性、低噪音和高性能特点，我们强大的磁性霍尔传感器提供非接触式解决方案，能够可靠感知位置、线性运动和角度。

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

特色产品

A4919

Three Phase MOSFET Driver with Integrated Regulator

A89500

100V Fast Switching Half Bridge MOSFET Driver

ACS724-5

High-Accuracy, Isolated Current Sensor ICs with Stray Field Rejection

APS13290-1

Precision Hall-Effect Latches for Consumer and Industrial Applications

技术文章

通过高级算法尽可能减小步进电机噪声 »

现代电机驱动器为电动工具设计提供了一种通用平台 »

单一平台设计可降低无绳电动工具的研发成本 »

白皮书和手册

一种可扩展的电动工具设计方法

创新的 FOC 电机控制：通过取消软件开发流程缩短产品上市时间

电机驱动器 IC 手册

视频

A4915 演示板视频 »

A4915 产品概述视频 »

选择指南和解决方案指南

Allegro 产品选择指南

 

 

应用手册

适用于无刷直流振动电机应用的电机驱动器 »

自举电源和电路指南

估算 MOSFET 最大开关频率

驱动感性负载

使用垂直霍尔技术改善速度和方向感应 »

锁存开关霍尔效应 IC 基础知识 »

霍尔效应传感器应用指南 »

将霍尔效应磁性感应技术集成到现代家用电器中 »

电流传感器散热：适合各种热预算的独特封装选项

Allegro 角度传感器使用指南 »

使用霍尔效应感应技术进行位置和液位感应 »

消费和工业应用中的微功耗位置感应 »

用线性传感器增强滑过检测

Documentation & Resources

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.
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.
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.
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.
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.
Advanced Algorithm Minimizes Stepper Motor Noise and Vibration in Precision Motion Control Applications
Technical Article

Advanced Algorithm Minimizes Stepper Motor Noise and Vibration in Precision Motion Control Applications

Stepper motors offer unique advantages over direct current (DC) and brushless DC (BLDC) motors in many applications. A bipolar stepper provides accurate open-loop position as well as zero-speed torque without using a control loop or external sensors.

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