Allegro MicroSystems
With more than 30 years of experience developing advanced semiconductor technology and application-specific algorithms, Allegro is a global leader in power and sensing solutions for motion control and energy-efficient systems. Through our innovations, we are helping our customers make breakthrough advancements in areas like advanced mobility, green energy, and factory automation. Each year we ship over one billion units into these applications to support our 10,000+ customers around the globe, including over 50 automotive OEMs.
- +1 603 626 2300
- +1 603 641 5336
- 955 Perimeter Road
Manchester, NH 03103
United States
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Current Sensors
Achieve higher efficiency and power density with our industry-leading current sensor ICs. Perfect for vehicle electrification as well as green industrial, computer and consumer applications.
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Magnetic Position Sensors
We offer a broad family of robust, contactless absolute position sensor ICs to sense linear or rotary motion. Our low-latency, high-accuracy sensors are ideal for optimized control of electric motors and actuators.
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Magnetic Speed Sensors
We offer the most comprehensive portfolio of magnetic speed sensors ICs, covering the full range of speed and speed with direction, two- and three-wire interface, magnetic encoder (ring magnet) and gear tooth sensing, Hall and GMR technology, and ASIL-compliant options for transmission, wheel speed, engine, e-motors, and many more encoder and gear tooth sensing applications.
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Photonics
Put our eye-safe, unique, highly differentiated photonics components on your lidar roadmap.
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Switches And Latches
With 30 years of leadership in digital position sensor ICs, we offer the broadest portfolio of magnetic switch, latch, and speed and direction solutions in the industry to serve almost any application need.
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Brush DC Drivers
Allegro provides a broad portfolio of safe and robust brush DC solutions. With both integrated and MOSFET gate drives our product lines are ideal for low- and high-power applications alike. Increased digital content with embedded drive algorithms simplify your implementation, while enhanced diagnostics and protection features ensure a safe and reliable solution.
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Brushless DC Drivers (BLDC)
Covering a wide range of power systems, our integrated MOSFET and gate driver ICs thrive in automotive, industrial, and consumer applications, ranging from 3.5 to 100 V operating voltage.
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Stepper Motor Drivers
Minimize noise and vibration in your stepper motor designs with our QuietStepTM adaptive stepper motor drivers. We offer a complete lineup of stepper motor drivers for office automation, industrial, and automotive applications. Our advanced QuietStepTM solutions use proprietary algorithms to reduce torque ripple and current distortion. To minimize ripple current for the various operating conditions, QuietStepTM adaptive stepper motor drivers perform on-the-fly adjustments to the amount of fast decay during a pulse-width modulation (PWM) cycle. This adaptive feature improves system performance, reduces audible motor noise and vibration, and increases step accuracy.
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Interface ICs
Easy to use, flexible, and reliable. Allegro’s sensor interface ICs offer accurate and fast output for signal conditioning in a wide range of applications, from electric vehicle HVAC systems to transmission oil pressure. Our innovative algorithms deliver robust EMC performance and provide critical diagnosticsthat support automotive safety.
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Regulators
Our regulator solutions provide industry-leading value—offering high quality and meaningful integration. They're also robust, efficient and feature high temperature operation (150°C).
