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Single Gate Driver Design Enables Wide Range of Battery Voltages for Various Motor Power Levels

April 10, 2023

P0239 - This article discusses the challenges of trying to accommodate wide-ranging battery voltages and motor powers in a single driver design.

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

October 12, 2022

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

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

September 09, 2022

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

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

June 30, 2022

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

Modern Motor Drivers Enable a Common Platform for Power Tool Designs

April 15, 2022

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 ...

Innovative Motor Control

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

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 ...

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 ...

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 ...

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.

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 ...

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: 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 ...

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 ...

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 ...