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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 (86)

ACS71020 Power Monitoring IC

Allegro Microsystems' ACS71020 IC can be powered from the same supply as the MCU, eliminating the need for multiple power supplies and digital isolation ICs.

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Image of ALT80600 4-Channel LED driver

ALT80600 4-Channel LED Driver

Allegro MicroSystems' ALT80600 is a 4-channel LED driver capable of up to 120 mA with a total LED current capability of 480 mA.

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Image of Allegro ACS732/3 Galvanically Isolated Current Sensor IC

ACS732/3 Galvanically Isolated Current Sensor IC

The ACS732 and ACS733 from Allegro Microsystems offer high isolation, high bandwidth Hall-effect-based current sensing.

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Image of Allegro's A4928KLPTR-T Half Bridge MOSFET

A4928KLPTR-T Half-Bridge MOSFET

Allegro MicroSystems' A4928 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a half-bridge arrangement.

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Image of Allegro's ACS70331 Current Sensor ICs

ACS70331 Current Sensor ICs

Allegro's ACS70331 high sensitivity current sensor ICs are for sensing up to 5 A (DC or AC) and operate from a 3.3 V power supply.

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Image of Allegro Microsystems' ALT80800 AEC-Q100, 2 A Synchronous Buck LED Driver

ALT80800 AEC-Q100, 2 A Synchronous Buck LED Driver

Allegro Microsystems' ALT80800 is a single-IC synchronous buck switching regulator which provides constant-current output to drive high-power LEDs.

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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 (4)

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

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

Publish Date: 2014-05-09