Quality Standards and Environmental Certifications
×

Contact Sales

Have Questions? Let us help!

We're passionate about innovation. Reach out and you'll hear back from an expert shortly.

Required*

This field is required

This field is required

Please enter a valid Email Address

This field is required

This field is required

This field is required

This field is required

This field is required

This field is required

Thank you for connecting with us!

One of our solution experts will be in touch with you shortly. Keep reading to learn more about our industry leading solutions.


步进电机驱动器

提供安静、高效且平稳的运动

Allegro 为办公自动化、工业和汽车应用提供全面的步进电机驱动器系列。

我们的先进技术 QuietStepTM 采用专有算法，通过减小扭矩纹波和电流失真来尽可能地降低步进电机设计中的噪声和振动。QuietStep 在 PWM 周期内即时调整快速衰减量，以在各种工作条件下将电流纹波保持在低水平。该自适应功能提高了系统的性能，从而降低可闻电机噪声、降低振动并提高步进精度。

Featured Products

AMT49700 Package Image

AMT49700

Stepper Motor Driver IC with Single-Step Control and Adjustable Microstep Resolution for Fine Positioning and Programmable Motion Control

了解更多

Product Image

A5984

DMOS Microstepping Driver with Translator and Overcurrent Protection (OCP)

了解更多

Product Image

A5988

Quad DMOS Full-Bridge PWM Motor Driver

了解更多

步进电机驱动器选择指南

Documentation & Resources

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 PLCC (plastic leaded chip carrier) packages. The silicon die is directly bonded to a heat-spreading lead frame (batwing).

了解更多

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.

了解更多

Technical Article

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

April 26, 2021

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.

了解更多

Application Note

Hot-Swap Testing Results for the A5977 and A5979 Microstepping DMOS Drivers

This report outlines hot-swap test results for A5977 and A5979 stepper motor drivers. To duplicate the hot-swap conditions, we have selected an IC motor supply voltage (VBB) of 24 V and motor current of 1.5 A per winding for our tests.

了解更多

Application Note

Innovative Back EMF Based Stall Detection Simplifies Stepper Motor Designs

Many applications require reliable detection of reaching a mechanical endpoint without using an external sensor, and motor stall detection can be used instead. This article describes an innovative method of small stepper motor stall detection and its application.

了解更多

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.

了解更多

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.

了解更多