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Allegro MicroSystems, LLC.

- Allegro MicroSystems, (Allegro) is a leader in developing high-performance power and sensing semiconductors. Allegro's innovative solutions serve high-growth applications within the automotive market, with additional focus on industrial and consumer/computing solutions. Allegro is headquartered in Manchester, New Hampshire (USA) with design, applications, and sales support centers located worldwide.

Newest Products View All (92)

Image of Allegro MicroSystems' ALS31313 Automotive 3D Linear Hall Effect Sensor

ALS31313 Automotive 3D Linear Hall Effect Sensor

Allegro MicroSystems' ALS31313 automotive grade, 3D, linear Hall effect sensor's design optimizes sensor performance and power consumption at the system level.

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Image of Allegro's A17301 and APS11700/60 Magnetic Switch

A17301 Sensor IC and APS11700/60 Magnetic Switches

The A17301 is a speed sensor and the APS11700/760 family adds automatic power management to Allegro’s APS11000/060 family of Hall-effect switches.

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Image of Allegro's APS11700/60 Magnetic Sensor ICs

APS11700/60 Micropower Magnetic Sensor ICs

Allegro's APS11700/60 magnetic sensor ICs feature a micropower regulator making them ideal for harsh automotive and industrial environments.

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Image of ARG82801 ASIL-D Power Management IC PMIC

ARG82801 ASIL-D Power Management IC (PMIC)

Allegro's ARG82801 ASIL-D PMIC integrates high-side drivers with battery disconnect to decrease component count and save board space while meeting safety goals.

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Image of Allegro ALT80802 High-Frequency Switching Regulator

ALT80802 High-Frequency Switching Regulator

Allegro Microsystems' ALT80802 is a high-frequency switching regulator that provides constant output current to drive high-power LEDs.

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Image of Allegro's A8660 Synchronous Buck Converter

A8660 Synchronous Buck Converter

Allegro's A8660 synchronous buck converter includes the control and protection circuitry to produce a robust PWM controller that delivers high current.

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Product Training Modules View All (9)

ACS726 Hall-effect based current sensor

ACS726 Hall-effect Based Current Sensor

Duration: 10 minutes

The ACS726 is the first product in Allegro’s family of current sensors to include a fully differential output signal.

ACS764 Hall-effect Based Current Sensor IC

ACS764 Hall-effect Based Current Sensor IC

Duration: 5 minutes

Designed for applications that require digital current sending and reporting through an I²C bus.

A49xx Stepper Motor Driver ICs

A49xx Family of Stepper Motor Driver ICs

Duration: 10 minutes

Complete microstepping motor drivers with a built-in translator for easy operation and overcurrent protection, reducing rework costs in operations.

Current Sensor ICs

Current Sensor ICs

Duration: 5 minutes

Line of fully integrated Hall-effect current sensor ICs providing highly accurate output voltage signals proportional to the current that is being applied.

Featured Videos View All (5)

Allegro Microsystems ACS71020 Power Monitoring IC | Digi-Key Daily

ACS71020 power monitoring IC from Allegro Microsystems greatly simplifies the addition of power monitoring to any AC/DC powered device.

Publish Date: 2019-01-29

A1569: A Single Chip LED Lighting Solution with Integrated Hall-Effect Switch

The A1569 is a highly integrated solution that combines a Hall-effect switch with a linear, programmable current regulator, providing up to 150 mA to drive one or more LEDs.

Publish Date: 2016-11-18

Allegro A4915 Full Version

Allegro A4915 Full Version

Publish Date: 2014-10-02

Allegro A4915 Demo Board

Allegro A4915 Demo Board

Publish Date: 2014-10-02