Switches and Latches

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.

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.

See what products will work best for your electric motor commutation, motor speed sensing and position encoding applications.

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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.

See what products will work best for your electric motor commutation, motor speed sensing and position encoding applications.

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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.

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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.

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Three-Wire Hall-Effect Switches

Perfect for proximity sensing in harsh automotive environments, check out our three-wire switches for applications like shift selectors, door ajar and vane-interrupt systems.

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Three-Wire Hall-Effect Switches

Perfect for proximity sensing in harsh automotive environments, check out our three-wire switches for applications like shift selectors, door ajar and vane-interrupt systems.

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Two-Wire Hall-Effect Switches

OEMs and tier one providers choose from our broad portfolio of two-wire sensors for applications like seat belt buckles, seat track and occupant sensors.

These devices are also widely used in consumer appliances and other applications looking to reduce system wiring costs.

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Two-Wire Hall-Effect Switches

OEMs and tier one providers choose from our broad portfolio of two-wire sensors for applications like seat belt buckles, seat track and occupant sensors.

These devices are also widely used in consumer appliances and other applications looking to reduce system wiring costs.

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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.

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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.

Check Out the Products

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.

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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