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Application Note
This application note describes the mathematics to convert the analog sine/cosine outputs of the A33230 into an angular position.
AN296138 - The A1337 and A1338 are high-speed high-accuracy magnetic angle sensor ICs, ideal for motor position sensing. This application note provides a brief description of the internal signal processing delays of the A1337 and A1338 angle sensors.
AN296191 - This application note describes working principles, lists advantages and limitations, outlines communication rates/delays, and defines error reporting tactics for digital and analog protocols used in angle and linear position sensing.
AN296199 - This application note serves as a guide for using a two-point programming algorithm to calculate and program the values needed for short-stroke rotational position sensing with the A1330 angle sensor IC.
AN296166 - This application note is dedicated to short-stroke magnetic applications using Allegro angular position sensors based on circular vertical Hall (CVH) technology. Analyses and data used in this document are based on the A1335 angle sensor IC.
Technical Article
June 12, 2023
P0234: Electric power steering systems have become popular in automotive manufacturing, displacing their mechanical counterparts because they save space, weight, emissions, and reduce fit complexity.
Brochure
The Allegro A33230 Hall-effect position and angle sensor IC is the smallest 3D Sine/Cosine sensor currently available in the market.
This application note is a guide through the design process for using angle sensor ICs for linear position sensing, including magnet choice and orientation, output linearization, and using sensor IC arrays for extending the measurement range.
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.
This application note will provide a step-by-step example for configuring harmonic output signal linearization using the A1335 angle sensor integrated circuit (IC). This example will make use of the Allegro A1335 Samples Programmer software, compatible with either the ASEK-20 or ASEK-21 programmer ...
AN296127 - This document shows how magnetic-input-related errors in excess of ±20 degrees can be linearized by the A1335 to as low as ±0.3 degrees—roughly a 65× improvement.
AN296116 - This application note covers the use of the Allegro A1337 angle sensor IC for battery powered applications (automotive or non-automotive) that require the sensor to operate in multiple mission modes.
AN296160 - Magnetic angle sensors are often a good choice for fast, reliable, contactless measurement of the angular position of a system, especially in dirty environments where optical encoders may not be a good fit.
AN296163 - This application note is a guide for using the A1330 angle sensor IC for short stroke rotational position sensing, including information on magnet choice and orientation.
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.