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
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.
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.
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
A3921 Evaluation Board User Guide
The A3921 is a full-bridge controller for use with external N-channel power MOSFETs and is specifically designed for automotive applications with high-power inductive loads, such as brush DC motors.
Guide
AMT4952 Evaluation Board User Guide
The AMT49502 evaluation board is designed to aid system designers with evaluating the operation and performance of the Allegro AMT49502 48 V safety automotive, half-bridge MOSFET driver.
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.
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
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
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
A89500 Evaluation Board User Guide
This board provides the basic components required to use the A89500 to drive a motor.
Application Note
AN296298 - Smart Relay Common Source Application Board
The A89103 is an N-channel power MOSFET driver capable of both supply and phase isolation. An application board has been developed to replicate the behavior of in-circuit operation.
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.
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.
Technical Article
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 fan applications.