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。
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。
Browse by category
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。
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。
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%。
Stepper Motor Drivers
We offer a complete lineup of safe and robust stepper motor drivers for office automation, industrial, and automotive applications.
安全电机驱动器
Allegro 的安全电机驱动器解决方案可以在竞品无法工作的严苛环境中正常工作，使我们成为更可靠的控制器和电机驱动器 IC 供应商。
Documentation & Resources
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.
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
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).
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 critical need for efficient, flexible, reliable solutions for your hybrid and electric vehicles (EV).
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.
Guide
A89333 Evaluation Board User Manual
This user manual describes how to use the EVB and how to set the algorithms and underlying features that make this device suited for different scenario and suitable for many motors.
Guide
A89301 Evaluation Board User Guide
The A89301 evaluation board is designed to aid system designers in evaluating the operation and performance of the A89301 motor controller IC.
Guide
A5931 Evaluation Board User Guide
This evaluation board is used to demonstrate the Allegro A5931GES three-phase sensorless fan driver IC.
Guide
A89500 Evaluation Board User Guide
This board provides the basic components required to use the A89500 to drive a motor.
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 signal input on the logic input terminals.
Guide
A4988 Evaluation Board User Guide
This evaluation board is used to demonstrate the Allegro A4988SET DMOS microstepping driver with translator motor driver IC.
Guide
A4915MET Evaluation Board User Guide
This evaluation board is used to demonstrate the Allegro A4915MET three-phase MOSFET driver IC.
Brochure
Brochure: Automotive BLDC Gate Driver with Integrated FOC Algorithm
Designed for battery cooling fans and HVAC systems in EV and hybrid vehicles, the A89307 offers ultra-low noise and vibration by using a Field Oriented Control (FOC) algorithm to drive continuous sinusoidal current to the load, helping automakers reduce noise and improve battery life.
Technical Article
Efficient and Reliable Solutions to Meet New Emission Standards in Two-Wheelers
P0255: This article discusses the challenges that two-wheeler designers face when switching to an EFI system, notably a 100 ms fast startup requirement.
Technical Article
Common Driver Platform for 12V and 48V Systems Simplifies EV Starter Generator Designs
This article discusses how using a common platform for both 12V and 48V starter generator systems will simplify and ease the transition to 48V solutions, as the electrical revolution continues to transform the automotive industry.