BLDC Drivers

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 ...

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 ...

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 ...

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.

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 ...

Reduce Design Time by Simplifying Code Development in Ceiling Fan Applications.

P0244: This article highlights how existing code-free field-oriented-control (FOC) sensorless BLDC motor controllers solve the challenges of ceiling ...

Modern Motor Drivers Enable a Common Platform for Power Tool Designs

Our brushless DC motor drivers help you design a common platform to address both high power and lower power designs. We integrate functions to allow ...

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 ...

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 ...

Single-Platform Design Can Reduce the Cost of Research and Development for Cordless Power Tools

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

Brochure: Code-Free Gate Drivers for Data-Center Cooling Fans

Our portfolio of three-phase BLDC motor drivers includes solutions with integrated MOSFETs or gate drivers, as well as options for power loss braking ...

Racing to Meet the Challenges of Electrification

October 13, 2020

Governments around the world, including the European Union and the United States, have placed mandatory fuel economy standards on combustion engines ...

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 ...

Estimating Maximum MOSFET Switching Frequency

AN296216 - This application note describes how to calculate the maximum power MOSFET switching frequency in BLDC motor gate drives.

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 ...

Reverse Battery Protection Scheme for Automotive Applications

AN296275: This application note discusses a method to protect automotive systems that contain Allegro MicroSystems motor driver integrated circuits ...

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 ...

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 ...

Innovative Motor Control

With decades of experience, our embedded motion control algorithms in our motor driver ICs simplify designs while improving motor performance and ...

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 ...

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.

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 ...

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 ...

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 ...

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 ...

Fully Integrated Hall Effect Motor Driver for Brushless DC Vibration Motor Applications 

Vibration motors are used in a variety of applications including mobile phone handsets, game joysticks, handheld video games, pagers, toothbrushes, ...

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. ...

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 ...