角位置传感器 IC
安全和技术创新是我们的角度传感器设计的核心。Allegro 提供市场上延迟较低的数字输出角度传感器,可以实现更顺畅、更高效的电机控制。我们还为新兴的个人移动、机器人和工业自动化应用提供一些性能卓越、成本优化的角度传感器 IC。
我们独有的符合 ASIL-D 标准的双晶片解决方案适用于 ADAS 和高级安全应用。
我们独有的符合 ASIL-D 标准的双晶片解决方案适用于 ADAS 和高级安全应用。
Documentation & Resources
Application Note
Advanced On-Chip Linearization in the A1335 Angle Sensor IC
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.
Brochure
Brochure: Motor Position and Angle Sensing
The Allegro A33230 Hall-effect position and angle sensor IC is the smallest 3D Sine/Cosine sensor currently available in the market.
Application Note
A1337/A1338 System Timing
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.
Application Note
Two-Point-Programming for the A1330
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.
Application Note
Angle Error Correction with the A33230
This application note describes the mathematics to convert the analog sine/cosine outputs of the A33230 into an angular position.
Application Note
Using the A1335 in a Short Stroke Application
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.
Application Note
Output Protocols for Angle and Linear Position 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.
Application Note
Microcontroller-Based Linearization of Angular Sensor ICs
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.
Technical Article
How Hardware Selection Impacts Driver Experience in EPS Systems
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.