Quality Standards and Environmental Certifications

Computer

Computer Applications

From individual laptops and PCs to extensive server farms, Allegro has the high performance solutions you need to improve reliability and efficiency—while also reducing audible noise.

Servers


You need both reliability and extreme energy efficiency to meet modern demands for always-on data access. We can help you keep your servers running reliably 24/7 while also accounting for every milliwatt of potential energy savings.


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Servers


You need both reliability and extreme energy efficiency to meet modern demands for always-on data access. We can help you keep your servers running reliably 24/7 while also accounting for every milliwatt of potential energy savings.


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PCs and Laptops


No one wants a loud laptop. Allegro offers the industry's first code-free FOC BLDC fan driver for extremely quiet, extremely efficient performance. See what else we have to offer for your modern computing devices.


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PCs and Laptops


No one wants a loud laptop. Allegro offers the industry's first code-free FOC BLDC fan driver for extremely quiet, extremely efficient performance. See what else we have to offer for your modern computing devices.


See the Devices

Insights and Innovations

News

Allegro’s New Green BLDC Fan Driver Lowers Data Center Energy Use and Improves Safety

Nov 12, 2019

Allegro’s New Green BLDC Fan Driver Lowers Data Center Energy Use and Improves Safety

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News

Allegro MicroSystems Launches QuietMotion Family of Code-Free FOC Sensorless BLDC Fan Drivers

Jan 28, 2019

Allegro MicroSystems, a leader in power and sensing solutions for motion control and energy efficient systems, today announced the launch of the company’s QuietMotion family. This family consists of the first-to-market Field Oriented Control (FOC) brushless DC (BLDC) electric motor controllers that ...

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Regulators

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 ...

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Hall-Effect Technology

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. what is ...

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Current Sensors

Techniques to Minimize Common-Mode Field Interference When Using Allegro Current Sensor ICs (ACS724 and ACS780)

Allegro MicroSystems current sensor ICs can be divided into three main groups: 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. This application note will discuss the mechanism of CMR ...

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Semiconductors (general)

Allegro Product Selection Guide

Sense. Regulate. Drive. Check out our device offerings and packages across all of our product families in this PDF selection guide.

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