Brushless DC Drivers
QuietMotion™ - precision motor control for whisper-quiet performance.
Allegro’s brushless DC motor drivers combine decades of motion control expertise with advanced integration to accelerate development and performance. Supporting up to100 V systems, our portfolio includes integrated or external gate driver ICs tailored for automotive, industrial, and consumer applications. With ISO 26262-compliant options, embedded QuietMotion™ algorithms, and industry-leading ASIL D support, we deliver compact, precise, and safety-ready solutions for high-efficiency motor control.
Documentation & Resources
Guide
A89500 Evaluation Board User Guide
This board provides the basic components required to use the A89500 to drive a motor.
Application Note
AMT49100 Start-Up Sequence
This application note is intended to provide user guidelines for the recommended power-up sequence to ensure a robust and reliable start-up when using the Allegro AMT49100 gate driver.
Whitepaper
Power Smarter Tools with the A89212 SoC
Discover how Allegro’s A89212 Motor Control SoC enables faster, more efficient cordless tool designs—across drills, saws, e-bikes, and more.
Guide
A5931 Evaluation Board User Guide
This evaluation board is used to demonstrate the Allegro A5931GES three-phase sensorless fan driver IC.
Guide
APEK89211 and APEK89212 Evaluation Board User Guide
The A89211 or A89212 (A89211/2) evaluation board is a high performance processor with integrated three-phase gate driver and precision current-sense capability.
Guide
A4919 Evaluation Board User Guide
This board provides the basic components required to use the A4919 to drive a motor. The motor can be controlled via an externally supplied PWM signal input on the logic input terminals.
Guide
A3941 Evaluation Board User Guide
The A3941 is a full-bridge controller for use with external N-Channel power MOSFETs designed for automotive applications with high-power inductive loads like brush DC motors.
Guide
A89333 Evaluation Board User Manual
This user manual describes how to use the EVB and how to set the algorithms and underlying features that make this device suited for different scenario and suitable for many motors.
Guide
A89301 Evaluation Board User Guide
The A89301 evaluation board is designed to aid system designers in evaluating the operation and performance of the A89301 motor controller IC.
Guide
AMT49400 Evaluation Board User Guide
The AMT49400 evaluation board is designed to aid system designers in evaluating the operation and performance of the AMT49400 integrated sensorless FOC BLDC driver IC.
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.
Guide
A89332-3 Evaluation Board User Guide
The A89332-3 evaluation board is designed to aid users in evaluating the operation and performance of the A89332-3 motor-controller integrated circuit (IC).
Guide
A5947GET Evaluation Board User Guide
This evaluation board is used to demonstrate the Allegro A5947GET three-phase sensorless fan driver IC.
Guide
A5932GES Evaluation Board User Guide
This evaluation board is used to demonstrate the Allegro A5932GES Three-Phase Sinusoidal Sensorless fan controller IC.
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.