String Inverters and Optimizers
Our reliable solutions extend the lifetime of your string inverters and optimizers. Integrated features, and low power losses reduce design complexity, system temperatures and improve efficiency.
Documentation & Resources
Blog
The Unsung Hero of AI: Why Advanced Fan Drivers are a Data Centers Most Valuable Player New
For data center operators, choosing a fan driver isn't a trivial component choice, it's a strategic decision that directly impacts efficiency, reliability, and the bottom line.
Blog
Precision in Motion: Advanced Sensing for Industrial Control
Explore how the world of industrial automation, precision and reliability are not just goals; they are absolute necessities. Whether it's a multi-axis robotic arm, a smart valve, or a complex human-machine interface (HMI), the ability to accurately and dependably track motion and position is critical.
OnDemand Webinar
Precision Angle Sensing for Servo Motor Control and Robotics
Discover how Allegro MicroSystems' cutting-edge angle sensing solutions can enhance motor control, reduce maintenance, and improve machine precision. Watch today and take your motor control systems to the next level!
Guide
A89224 Evaluation Board User Guide
The A89224 evaluation board is a high-performance processor with integrated three-phase gate driver and precision current-sense capability.
Guide
A8650 Evaluation Board User Guide
This evaluation board is used to demonstrate the operation and performance of the Allegro A8650 synchronous buck regulator module.
Application Note
Hysteresis Offset Error In Hall-Effect Current Sensors Using Soft Ferromagnetic Concentrator Cores
AN296182 - When measuring busbar current with a surrounding soft ferromagnetic concentrator cores, Allegro recommends using a linear IC, such as the A1365, A1367, or ACS70310, in conjunction with a ferromagnetic core for high-current measurement (above 200 A).
Application Note
Vias-in-Pad Improves Thermal Performance for Allegro Current Sensors
This application note discusses the effectiveness of using vias-in-pad and other additional printed circuit board (PCB) layout techniques to improve heat dissipation for current sensors with integrated conductors.
Video
Magnetic Speed Sensors for Industrial Transport: Mouser Tech Chats
AAC host Daniel Bogdanoff sits down with Allegro Microsystems’ Christine Graham about magnetic speed sensors—their operation, applications, design trade-offs, and innovations driving next-gen motion and speed control.
Application Note
Current Sensing in Motor Drives
One of the more popular uses of the current sensor is the broad application of motor drives. Motors are electro-mechanical systems, converting electrical energy (voltage and current) into mechanical energy (torque and speed).
Application Note
Fundamental Properties of Speed Sensors
The aim of this application note is to provide a solid foundation for understanding and comparing the fundamental properties of speed sensors that are valid not only for Allegro products but for speed sensors in general.
Application Note
Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs
AN296250 - This document provides an overview of the phenomena of stray magnetic fields, its various sources, solutions developed to minimize its effects, and product proposals tolerant to stray field perturbations.
Application Note
Magnetic Encoder Design for Electrical Motor Driving a Dual-Channel Differential Magnetic Speed Sensor IC
This application note describes how to use a Hall sensor device such as the Allegro ATS605LSG as an encoder in a system with a ferrous target, and gives target design recommendations to achieve outputs in quadrature and a 50% duty cycle for each output.
Blog
Zonal Architectures Are Reshaping Vehicle Design. Are you Ready?
The automotive industry is undergoing a seismic shift, and it's not just about electric drivetrains or autonomous features. The real revolution is happening under the hood—literally—with the adoption of zonal architectures and 48V systems
Guide
CT430-20AC Evaluation Board User Guide
The CT430 is a high bandwidth and ultralow-noise integrated contact current sensor that uses Allegro patented XtremeSense™ tunnel magnetoresistance (TMR) technology.