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Hall-Effect Latches and Bipolar Switches

Whether your application is speed sensing, motor commutation or position encoding, our high-performance magnetic latches and bipolar switches offer you industry-leading jitter performance, EMC/ESD robustness, and magnetic precision—all at competitive price points.

You can also be confident of their safety and reliability. Our devices offer 4× chopper stabilization for superior temperature stability and resistance to physical stress, and all new devices are designed to ISO 26262.
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Solutions using Hall-effect switches, magnetic latches, and magnetic switch sensor ICs

Selection & Solution Guides

Allegro Product Selection Guide (PDF)

Documentation & Resources

Improved Speed and Direction Sensing Using Vertical Hall Technology

Application Note

Improved Speed and Direction Sensing Using Vertical Hall Technology

The A1262 2D dual-channel Hall-effect sensor IC is offered in a 5-pin SOT23W surface-mount package, as well as a 4-pin SIP through-hole package. It ...

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Ring Magnet Speed Sensing for Electronic Power Steering

Application Note

Ring Magnet Speed Sensing for Electronic Power Steering

Proper control of Electric Power Steering (EPS) systems requires both speed and direction information from the steering input shaft. This control ...

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Latching Switch Hall-Effect IC Basics

Application Note

Latching Switch Hall-Effect IC Basics

There are four general categories of Hall-effect IC devices that provide a digital output: unipolar switches, bipolar switches, omnipolar switches, ...

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