Automation
Durable Solutions for Demanding Environments
From factory automation to building access systems, Allegro delivers robust, efficient solutions that keep industrial operations running safely and smoothly. Our portfolio includes BLDC and DC motor drivers, speed and position sensors, latches and switches, and integrated current sensors—all designed for long-term reliability in harsh industrial conditions.
Applications
Building Automation
Make commercial and industrial buildings smarter, safer, and more energy efficient with Allegro’s reliable motor drivers and sensors.
Factory Automation
Keep production lines running smoothly with Allegro’s robust motor control and sensing solutions designed for precision and durability in harsh industrial environments.
Documentation & Resources
Technical Article
Single Gate Driver Design Enables Wide Range of Battery Voltages for Various Motor Power Levels
P0239 - This article discusses the challenges of trying to accommodate wide-ranging battery voltages and motor powers in a single driver design.
Technical Article
Enhancing Smart Home Security with 3D Magnetic Sensors
P0173 - As consumers find new ways to outfit their living spaces with simple-to-use smart home and Internet of Things (IoT) products, they may be unaware of certain vulnerabilities and security features.
Application Note
Achieving Closed-Loop Accuracy in Open-Loop Current Sensors
Closed-loop current sensing technology is employed in many industrial and automotive applications for accurate current sensing. Allegro MicroSystems has developed magnetic-based current sensor IC solutions that achieve near closed-loop accuracy using an open-loop topology.
Brochure
Enhancing Robotic Design
With the continuously evolving robotic market and formation of new applications, there is a need for higher levels of system accuracy and reliability.
Application Note
Convenient and Isolated Power Measurements via SPI or I2C using ACS71020 or ACS37800 Power Monitoring ICs
AN296180 - This application note describes the I2C and SPI interfaces on the ACS71020/ACS37800 Power Monitoring ICs from Allegro MicroSystems.
Application Note
Allegro Motor Driving with Angular Sensor IC
AN296171 - This application note will describe how to use Allegro’s motor driver and angle sensor solutions to enable precise driving and reliable monitoring of brushless DC (BLDC) motors.
Brochure
Brochure: Integrated Power Monitoring with the ACS37800
Allegro’s ACS37800 offers its customers the capability to easily monitor and optimize the energy efficiency of power supplies, lighting, and motor control sub-systems in connected building automation solutions while simplifying the system design.
Application Note
Guidelines for Using Allegro Angular Sensors
Many applications in different industries, such as in industrial automation and automotive sensors and actuators, require monitoring the angle of a rotating shaft either in an on-axis or off-axis arrangement. This application note is dedicated to a review of on-axis magnetic applications.
Application Note
Vertical Hall Technology Enables Effective Tamper Detection
A recent breakthrough in Hall-effect sensing has enabled the creation of omnidirectional magnetic sensor ICs that match all of the requirements for tamper detection.
Application Note
Position and Level Sensing Using Hall-Effect Sensing Technology
This paper introduces Hall-effect technology, then explores how it has been applied, in particular, differentiating between the primary types of Hall sensor ICs and the highly differentiated range of sensing behaviors they can support.
Application Note
Improved Performance and Features of Allegro’s Next Generation, High Power Density CB Package Current Sensors
This application note will describe the use of the new high current ACS772 Hall-effect current sensor integrated circuit (IC) from Allegro MicroSystems and will give an overview
of its features and improvements from previous Allegro high-current sensors.