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Allegro MicroSystems, LLC.

- Allegro MicroSystems, LLC. is a leader in developing, manufacturing and marketing high-performance power and Hall-effect sensor integrated circuits. Allegro's innovative solutions serve high-growth applications within the automotive market, with additional focus on office automation, industrial, and consumer/communications solutions. Allegro is headquartered in Worcester, Massachusetts (USA) with design, applications, and sales support centers located worldwide.

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Newest Products View All (66)

Image of Allegro MicroSystem's A1699 Integrated Circuit

A1699 Two-Wire Differential Speed Sensor ICs

Allegro MicroSystems' A1699 is an optimized dual-channel, Hall effect integrated circuit (IC) that is ideal for a wide variety sensing applications.

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Image of Allegro ATS605LSGTN-R-T Intelligent Speed and Direction Sensor

ATS605LSGTN-R-T Intelligent Speed and Direction Sensor

The ATS605LSG from Allegro provides a single IC solution to rotational position sensing applications with a ferrous gear target.

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Image of Allegro MicroSystems' A1698 Sensor ICs

A1698 Sensor ICs

Allegro’s A1698 sensor IC provides a solution for two-wire speed sensing of ring magnets or ferrous targets (when back-biased by the user) down to zero-speed.

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Image of Allegro MicroSystems A1162 Programmable Unipolar Switch

A1162 Programmable Unipolar Switch

Allegro Microsystem's A1162 is a programmable unipolar switch that includes an integrated coil surrounding the Hall element.

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Image of Allegro Microsystems' A1569 LED Driver IC with Integrated Hall Effect Switch

A1569 LED Driver IC with Integrated Hall Effect Switch

Allegro Microsystems' A1569 fully integrated magnetically actuated lighting solution, combines a contactless Hall effect switch with an LED driver in a single IC.

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Image of Allegro A1266 Ultra Sensitive 3D Magnetic Sensor

A1266 Ultra-Sensitive 3D Magnetic Sensor IC

The A1266 is a unique ultrasensitive Hall-effect switch with 3D Omni-polar magnetic actuation based on vertical Hall sensor technology. It detects either magnetic pole in any orientation (X, Y, or Z).

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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 (3)

Allegro A4915 Demo Board

Allegro A4915 Demo Board

Allegro A4915 Full Version

Allegro A4915 Full Version

ACS712 Low-Noise 2100 VRMS Hall-Effect Current Sensor IC

The Allegro ACS712 provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems