ドライブ
Allegro モーター ドライバーは、競合部品がなし得ない苛酷な高電圧環境下で耐久し、業界をリードする堅牢性と安全性を提供します。
当社のドライバーは耐久性に優れていますが、さらに静寂です。当社は、車載、産業、コンシューマーの用途で、お客様がモーターをより静かで効率的かつ安定して作動させるために貢献できるエキスパートです。
また、当社の数十年にわたるモーター制御の経験により、モーターのパフォーマンスの向上と製品化に要する時間の短縮を実現しながら、設計を簡素化する組み込みモーション コントロール アルゴリズムを開発しました。
当社のドライバーは耐久性に優れていますが、さらに静寂です。当社は、車載、産業、コンシューマーの用途で、お客様がモーターをより静かで効率的かつ安定して作動させるために貢献できるエキスパートです。
また、当社の数十年にわたるモーター制御の経験により、モーターのパフォーマンスの向上と製品化に要する時間の短縮を実現しながら、設計を簡素化する組み込みモーション コントロール アルゴリズムを開発しました。
Browse by category
ブラシ DC ドライバーおよびステッパ モーター
当社は、安全で堅牢なブラシ DC およびステッパ モーター ソリューションの広範なポートフォリオを提供しています。当社の製品ラインは、内蔵型 / MOSFETゲート ドライブを含み、低出力高出力用途において同様に適合します。
Brushless DC Drivers
Allegro’s brushless DC motor drivers combine decades of motion control expertise with advanced integration to accelerate development and performance.
絶縁ゲート ドライバー
非常に革新的な絶縁境界により、市場で最高の電気効率と、競合ソリューションと比べて最大 50% の小型化を実現できます。
Multichannel & Solenoid Drivers
Allegro’s solenoid drivers deliver efficient, space-saving solutions for controlling relays, valves, and actuators in automotive and industrial systems.
Stepper Motor Drivers
Allegro’s stepper motor drivers deliver smooth, efficient motion with ultra-low noise and vibration—powered by our proprietary QuietStep™ technology.
Documentation & Resources
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.
Technical Article
Sensorless and Always Without Reverse Rotation: Rapid and Accurate Startup for Blower Fan Motors
How initial rotor position detection techniques can overcome torque generation challenges to provide anti-reverse, fast, sensorless startup.
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.
.jpg?sc_lang=en)
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 gate driver ICs with integrated Hall commutation are designed with the Hall-based commutation engine integrated into the IC.
Video
A4915 Demo Board Video
The Allegro A4915 Three-Phase MOSFET Driver’s innovative speed input and fully integrated block commutation delivers simple speed control of a BLDC motor with a single analog voltage.
Video
A4915 Product Overview Video
The Allegro A4915 Three-Phase MOSFET Driver’s innovative speed input and fully integrated block commutation delivers simple speed control of a BLDC motor with a single analog voltage.
Technical Article
Racing to Meet the Challenges of Electrification
Governments around the world, including the European Union and the United States, have placed mandatory fuel economy standards on combustion engines to reduce emissions. These initiatives will require innovative advances in technologies, driving the demand for increased efficiencies.
Application Note
Improve Server Efficiency with Advanced Control Electronics
Electronic devices allow inexpensive management of server components with minimal contributions to thermal signature, power draw, or physical size. Some, such as the Allegro MicroSystems A4942 three-phase sensorless BLDC fan-motor driver chip, are small enough to fit onto the hub PCB of mini ducted fans.
Technical Article
Overcoming Battery Cooling Challenges to Enable Safe and Reliable Electric Two-Wheelers
P0276: This article discusses options available in battery technology, commonly used battery cooling methods, requirements and challenges associated with cooling methods, and motor drivers that overcome these challenges.
Video
A4915 Demo Board Video
The Allegro A4915 Three-Phase MOSFET Driver’s innovative speed input and fully integrated block commutation delivers simple speed control of a BLDC motor with a single analog voltage.
Video
A4915 Product Overview Video
The Allegro A4915 Three-Phase MOSFET Driver’s innovative speed input and fully integrated block commutation delivers simple speed control of a BLDC motor with a single analog voltage.
Application Note
Allegro Motor Driving with Angular Sensor IC
AN296171 - This application note will describe how to use Allegro’s motor driver and angle sensor solutions to enable precise driving and reliable monitoring of brushless DC (BLDC) motors.
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.
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 specifically by to drive bipolar stepper motors. These new ICs incorporate several unique design features, including automatic mixed-mode current decay control.
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).
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.
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.
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
Key Considerations in Design of Sensorless Three-Phase BLDC Motor Driver for Automotive Fuel Pumps
This application note provides details the A89303 device in an automotive fuel pump application. Detailed information about the sensorless control in A89303, advantages of the device, speed control techniques, parameter configuration including efficacy and thermal calculation, EMI consideration, and layout guidelines are presented.
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.