

Magnetic latches with industry leading jitter performance for optimized motor control. Vertical Hall technology that's revolutionizing the mechanical design of motors and encoders. The ability to survive the harshest automotive voltage transients. The industry's broadest portfolio of continuous-time switches and latches.
These are just some of the reasons why Allegro is a clear leader in digital position sensing.
Looking for safety? All of our switches and latches are now being developed to ISO 26262 standards.
Allegro MicroSystems Switches and Latches Portfolios
Hall-Effect Latches and Bipolar Switches
Our high-performance magnetic latches offer our customers industry-leading jitter performance, EMC/ESD robustness, and magnetic precision—all at competitive price points.
Dual Hall-Effect Latches
Allegro’s Vertical Hall (AVHT) sensing solutions revolutionize motors and encoders, delivering quadrature signals independent of magnet pitch or air-gap.
Hall-Effect Switches
OEMs and tier one providers choose from our broad portfolio of hall-effect switches for applications like seat belt buckles, seat track, shift selectors, door ajar and so much more.
Two-Wire Hall-Effect Switches
Three-Wire Hall-Effect Switches
Red two-wheeler moped scooter
Micropower Hall-Effect Switches
Extend the life of your battery-powered devices with these integrated Hall-effect sensor ICs. These switches offer low power consumption and are ideal for use in on/off switching applications and for detecting tampering in utility meters.
Special Purpose Devices
Don't see the right solution? Take a look at products we've developed for very specific applications. Allegro MicroSystems offer deep and broad applications expertise to help you find—or create—a device that fits your needs.
Do you know more about Allegro MicroSystems' product uses, technical documents, and solutions related to Switches and Latches? Then quickly get in touch with Allegro MicroSystems Distributor - NANHUANG!
- IC MOTOR DRVR 4.5V-5.5V 28TSSOP
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- MAGNETIC SWITCH UNIPOLAR SOT23W
- BOARD DEMO 770ECB-200B SENSOR
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- BOARD EVAL FOR A4915
- IC MOTOR DRIVER 4.75V-5.5V 16DIP
- IC MOTOR DRIVER BIPOLAR 20SOIC
- Allegro MicroSystems Announces PCB-Less 3D Magnetic Sensor for Vehicle Safety and ADAS Applications
- Allegro MicroSystems Announces Opening of New R&D Center in Greater Dallas
- Polar Semiconductor Investment and Expansion
- Allegro MicroSystems Receives Three Auto Manufacturer Awards For Outstanding Customer Support and Su
- Allegro MicroSystems Announces Industry First ASIL C Safety Rated Field Current Sensor for Electric
- Allegro announced the launch of the ACS37002 family of advanced Hall-effect current sensors
- Allegro announced the launch of the ACS37800, a Hall-effect power monitoring IC for single-phase AC
- Allegro MicroSystems introduced the A17700, an automotive-grade interface IC
- Allegro announced a new coreless Hall-effect current sensor for demanding automotive and industrial
- Allegro MicroSystems announced the release of the A31315 sensor
- Allegro has introduced a new, state-of-the-art giant magnetoresistance (GMR) speed sensor
- Allegro MicroSystems Achieves Major Milestone of Three Billion Motor Driver Integrated Circuits Ship

















