Application Note

Achieving Fast SENT Message Response with A1346 Linear Hall-Effect Sensor ICs on Shared Bus 

AN296131 - In safety-critical magnetic sensing applications, such as torque sensing in electronic power steering (EPS) modules, redundant sensors are often the approach used to achieve desired performance while maintaining strict safety requirements.

Application Note

Joystick with Allegro Position Sensor IC

Joysticks are widely used human-machine interfaces (HMI) that simultaneously report information on direction and amplitude. This document explains how to implement a 2D or 3D magnetic sensor to obtain a joystick with well-defined behavior.

Application Note

Signal Path Delay for A31315 3D Sensor

AN296263 - The delay in a signal path can be described as the trail between the real-time angle and the displayed output angle. This delay represents the time needed to convert the magnetic field data sensed by the Hall plates into angle information.

Brochure

3DMAG Position Sensors

Combining our proven planar and vertical Hall technologies, 3DMAG solutions offer robust, high-performing, three-axis magnetic field measurements in a single IC.

Application Note

3D Hall-Effect Sensor Magnetic Tamper Detection Smart Home Systems

AN296223 - The experiment results highlight several advantages of 3D Hall-effect sensors such as their ability to detect strong magnetic fields that are randomly applied to the outside of a smart home device.

Technical Article

Enhancing Smart Home Security with 3D Magnetic Sensors

P0173 - As consumers find new ways to outfit their living spaces with simple-to-use smart home and Internet of Things (IoT) products, they may be unaware of certain vulnerabilities and security features.

Application Note

3D Linear or 2D Angle Sensing with the ALS31300 and ALS31313 Hall-Effect ICs

AN296140 - This application note describes the use of the ALS31300 and ALS31313 3D Linear Hall-Effect Sensor integrated circuits (ICs) from Allegro MicroSystems for 3D linear sensing and 2D angle sensing applications.

Application Note

Position and Level Sensing Using Hall-Effect Sensing Technology

This paper introduces Hall-effect technology, then explores how it has been applied, in particular, differentiating between the primary types of Hall sensor ICs and the highly differentiated range of sensing behaviors they can support.

Application Note

Advanced Power Management Using the ALS31300 and ALS31313 3D Hall-Effect Sensor ICs with I2C Output

AN296144 - This application note discusses the unique and advanced low power modes available on the ALS31300 and ALS31313 3D Linear Hall-Effect Sensor ICs with I2C output available from Allegro MicroSystems.

Application Note

Chopper-Stabilized Amplifiers With Track-and-Hold Signal Demodulator

The conventional signal demodulator of a chopper amplifier can be substituted by track-and-hold (T/H) and averaging functions. This arrangement provides offset cancellation without requiring low-pass filters and can ignore the residual offset generated by input spikes.

Application Note

Analysis of a Hall-Effect System With Two Linear Sensor ICs for 30 mm Displacement

In this application note we are investigating how to extend the displacement range for linear detection by using two sensor ICs, using typical Allegro™ MicroSystems devices as examples.

Application Note

Guidelines for Using Allegro Angular Sensors

Many applications in different industries, such as in industrial automation and automotive sensors and actuators, require monitoring the angle of a rotating shaft either in an on-axis or off-axis arrangement. This application note is dedicated to a review of on-axis magnetic applications.

Application Note

Bipolar Switch Hall-Effect ICs

Bipolar sensor ICs are designed to be sensitive switches. (Note that the term "bipolar" refers to magnetic polarities, and is not related to bipolar semiconductor chip structures.) Hall measurement, bipolar switching, hall switch.

Application Note

Unipolar Hall-Effect Sensor IC Basics

There are four general categories of Hall-effect IC devices that provide a digital output: unipolar switches, bipolar switches, omnipolar switches, and latches. Unipolar switches are described in this application note.

Application Note

Omnipolar 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, and latches. Omnipolar switches are described in this application note.