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。
Documentation & Resources
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.
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.
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.
Whitepaper
Power Smarter Tools with the A89212 SoC New
Discover how Allegro’s A89212 Motor Control SoC enables faster, more efficient cordless tool designs—across drills, saws, e-bikes, and more.
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.
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.
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.
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.
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.
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.
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.