驱动器

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, ...

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 ...

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 ...

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 ...

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 ...

Brochure: Full-Bridge Gate Drivers for Automotive and Industrial Applications

The solid-state A89505 and A89506 are designed for a range of vehicle applications, including various actuators, EV charger locks, electronic parking ...

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 ...

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 ...

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 ...

Motor Drive Discrete MOSFET Bridge Circuit Design and Layout

AN296215 - This application note is intended to familiarize the reader with bridge circuit switching for motor drive applications. Recommendations ...

Estimating Maximum MOSFET Switching Frequency

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