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驱动器

Allegro 电机驱动器具有行业领先的可靠性和安全性，可以在竞争产品无法工作的严苛、高电压环境中正常运行。

我们的驱动器不仅坚固耐用，还非常安静。在帮助客户让其电机在汽车、工业和消费类应用中更安静、更高效、更可靠地运行方面，我们是专家。

凭借我们在电机控制领域数十年的经验，我们开发了嵌入式运动控制算法，在简化设计的同时，还可提高电机性能并缩短产品上市时间。

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Ceiling fan moving

无刷直流驱动器

十分安静。易于实施。极其高效。Allegro 的 QuietMotion 系列器件提供率先推向市场且无需客户编码的磁场定向控制 (FOC) 无刷直流 (BLDC) 电机控制器。我们的汽车 BLDC 解决方案可承受苛刻环境，支持更小直径的电机，并与行业的 ISO 26262 合规趋势相符。

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Security cameras on a post in front of the sky

有刷直流驱动器和步进电机

我们提供广泛的安全且可靠的有刷直流和步进电机解决方案。凭借集成式和 MOSFET 栅极驱动器，我们的产品线适用于很多低功率和高功率应用场景。

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Gate Drivers

隔离式栅极驱动器

高度创新的隔离边界可实现出众的电气效率，体积比竞争对手的解决方案减小多达 50%。

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3D Printer

Stepper Motor Drivers

We offer a complete lineup of safe and robust stepper motor drivers for office automation, industrial, and automotive applications.

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Documentation & Resources

AMT49100 Start-Up Sequence

Application Note

AMT49100 Start-Up Sequence

This application note is intended to provide user guidelines for the recommended power-up sequence to ensure a robust and reliable start-up when ...

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Microstepping Motor-Driver IC with Integrated Step and Direction Translator Interface

Application Note

Microstepping Motor-Driver IC with Integrated Step and Direction Translator Interface

A new series of microstepping motor driver integrated circuits with an integrated step and direction translator interface has been developed ...

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Brochure: Driving EV Powertrains

Brochure

Brochure: Driving EV Powertrains

With the industry’s largest portfolio of grade 0, 80V motor drivers, Allegro’s suite of fully integrated gate drivers effectively address the ...

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Accurate Startup Techniques in a Sensorless Field-Oriented-Control BLDC (Sinusoidal) Motor Driver

Application Note

Accurate Startup Techniques in a Sensorless Field-Oriented-Control BLDC (Sinusoidal) Motor Driver

AN296259 - This application note presents various startup techniques available for use with the AMT49406 device.

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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 ...

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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 ...

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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 ...

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Motor Drive Discrete MOSFET Bridge Circuit Design and Layout

Application Note

Motor Drive Discrete MOSFET Bridge Circuit Design and Layout

AN296215 - This application note is intended to familiarize the reader with bridge circuit switching for motor drive applications. Recommendations ...

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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.

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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 ...

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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 ...

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Improving Batwing Power Dissipation

Application Note

Improving Batwing Power Dissipation

AN295015 - Allegro MicroSystems’ stepper motor ICs are power ICs encapsulated in DIP (dual in-line), SOIC (small outline integrated circuit), and ...

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A4919 Evaluation Board User Guide

Guide

A4919 Evaluation Board User Guide

This board provides the basic components required to use the A4919 to drive a motor. The motor can be controlled via an externally supplied PWM ...

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A4988 Evaluation Board User Guide

Guide

A4988 Evaluation Board User Guide

This evaluation board is used to demonstrate the Allegro A4988SET DMOS microstepping driver with translator motor driver IC.

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A5947GET Evaluation Board User Guide

Guide

A5947GET Evaluation Board User Guide

This evaluation board is used to demonstrate the Allegro A5947GET three-phase sensorless fan driver IC.

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