Computers and Printing
Optimize speed, accuracy, and energy use in computing and printing systems with our sensing and power solutions that enable fast startup, precise motion, and low power consumption.
Featured Products
AMT49400
Integrated Sensorless FOC BLDC Driver
ACS37800
Programmable AC and DC Power Monitoring IC
ACS70331
The ACS70331 is Allegro’s first integrated, high sensitivity, current sensor IC for <5 A current sensing applications.
ARG81800
Ultra Low Iq, Wide Input, 2.4MHz, 1 Amp Synchronous Buck Regulator
Documentation & Resources
Application Note
Improve Server Efficiency with Advanced Control Electronics
Electronic devices allow inexpensive management of server components with minimal contributions to thermal signature, power draw, or physical size. Some, such as the Allegro MicroSystems A4942 three-phase sensorless BLDC fan-motor driver chip, are small enough to fit onto the hub PCB of mini ducted fans.
Guide
Hall-Effect IC Applications Guide
Allegro MicroSystems uses the latest integrated circuit technology in combination with the century-old Hall effect to produce Hall-effect ICs. These are contactless, magnetically activated switches and sensor ICs with the potential to simplify and improve electrical and mechanical systems.
Application Note
Techniques to Minimize Common-Mode Field Interference When Using Allegro Current Sensor ICs (ACS724 and ACS780)
This application note will discuss the mechanism of CMR and focus on how to best use this mechanism through optimized circuit board design and layout for sensors that need an external magnetic core, sensors that have a core built into the package, and sensors that have an integrated current-carrying loop but no core.
Application Note
Micro-Power Position Sensing in Cell Phone Applications
This note will show how to use the Allegro™ A1171 in a standard flip or slide phone, as well as techniques for sensing three positions using only one magnet and one Hall device in a multipurpose application.