Switches and Latches

Magnetic latches with industry-leading jitter performance for optimized motor control, vertical Hall technology that is revolutionizing the mechanical design of motors and encoders, the ability to survive the harshest automotive voltage transients, the broadest portfolio of continuous-time switches and latches in the industry. 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. To determine the part best suited for your system, please refer to our Switches and Latches Selection Guide.

 

 

Browse by category

Car driving on the highway

Hall-Effect Latches and Bipolar Switches

Our high-performance magnetic latches offer you industry-leading jitter performance, EMC/ESD robustness, and magnetic precision—all at competitive price points.

Learn More

Robotic vacuum on a wood floor

Dual Hall-Effect Latches

Vertical Hall Technology by Allegro (VHT) sensing solutions revolutionize motors and encoders, delivering quadrature signals independent of magnet pitch or air gap.

Learn More

electric parking brake

Two-Wire 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.

Learn More

girl sitting in a car looking at the ocean

Three-Wire Hall-Effect Switches

Perfect for sensing absolute position or proximity in harsh automotive environments, our three-wire switches are ideal for applications like shift selectors, door ajar, user interfaces and vane-interrupt systems.

Learn More

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 detection of tampering in utility meters.

Learn More

Close up of automotive gear shifter transmission

Special-Purpose Devices

Don't see the right solution? Take a look at products we've developed for very specific applications. We offer deep and broad applications expertise to help you find—or create—a device that fits your needs.

Learn More

Featured Products

UA-LH Package

APS12170

Voltage-Controlled Two-Wire Continuous-Time Hall-Effect Latch

Learn More

Product Image

A1260

Chopper-Stabilized Precision Vertical Hall-Effect Latch

Learn More

APS12450 Product Image

APS12450

Three-Wire Hall-Effect Latch with Advanced Diagnostics

Learn More

Allegro-3-Pin-LH-UA-UC-package

APS11500

Two-Wire Hall-Effect Switch

Learn More

Documentation & Resources