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无刷直流驱动器

十分安静。易于实施。极其高效。Allegro 的 QuietMotion 系列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。这些器件经过专门设计，可提供可靠且高效的低可听噪声性能，并可通过简单易用的 GUI 设置简单参数，缩短设计周期时间。

我们提供按照 ISO 26262 标准开发的广泛产品，帮助我们的客户满足新的安全攸关要求。

Featured Products

A89224 Product Image with Electronica Award

A89224

90V Automotive Three-phase Motor Driver with Integrated ARM Cortex Processor

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A89331 and A89332

Three Phase Sensorless Drivers

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24 contact QFN ES and 24 lead TSSOP LP packages

AMT49406

Code-Free FOC Sensorless BLDC Motor Controller

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A89306

The A89306 is a code free three-phase BLDC FOC Motor Driver with integrated universal speed curve and constant power/torque features

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Documentation & Resources

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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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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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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Brochure: Automotive BLDC Gate Driver with Integrated FOC Algorithm

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 ...

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Efficient and Reliable Solutions to Meet New Emission Standards in Two-Wheelers

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 ...

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Common Driver Platform for 12V and 48V Systems Simplifies EV Starter Generator Designs

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 ...

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Sensorless and Always Without Reverse Rotation: Rapid and Accurate Startup for Blower Fan Motors

Technical Article

Sensorless and Always Without Reverse Rotation: Rapid and Accurate Startup for Blower Fan Motors

P0211 - This article describes how initial rotor position detection techniques can overcome torque generation challenges to provide anti-reverse, ...

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单一平台设计可降低无绳电动工具的研发成本

Technical Article

单一平台设计可降低无绳电动工具的研发成本

P0193 - Power Tool engineers are duplicating resources with current product designs as they often use different motor drivers, manufacturers, design ...

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AMT49100 & AMT49101: How to Enable / Disable the Buck Regulator

Application Note

AMT49100 & AMT49101: How to Enable / Disable the Buck Regulator

AN296217 - This application note describes how to switch between buck enabled and buck disabled operation on any variant of the AMT49100 or AMT49101 ...

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Integrated Power Loss Brake Features Lower Energy Consumption and Reduce Costs in Data-Center Fan Applications

Technical Article

Integrated Power Loss Brake Features Lower Energy Consumption and Reduce Costs in Data-Center Fan Applications

Service interruptions of servers can result in adverse scenarios including inefficient airflows created by fan blades that have lost power to ...

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Hall-Based BLDC Gate Drive Saves Microprocessor IO and Provides Zero Speed Torque

Technical Article

Hall-Based BLDC Gate Drive Saves Microprocessor IO and Provides Zero Speed Torque

P0127: Many BLDC motor applications require Hall-based position sensing to accommodate direction changes quickly and provide holding torque.. Allegro ...

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