
3D 磁性位置传感器
Allegro 3DMAG™ 位置传感器融合了我们在平面和垂直霍尔技术方面的丰富专业知识,是一种可靠、高性能、真正的 3D 磁性感应解决方案。 这些传感器支持各种非接触式运动检测,几乎能够与任何移动磁体系统配合使用,从而简化磁性设计和系统集成。
Allegro 3DMAG™ 传感器提供以下优势:
- 无与伦比的设计灵活性:由于 3DMAG 传感器产品范围广泛,可将其置于方便放置的地方,并选择感兴趣的轴来感应需要测量的运动。
- 简化的用法和编程:通过各种输出协议(从简单的模拟输出到高完整性的数字接口),3DMAG 传感器可以感应旋转或线性运动。 这些传感器可以在强磁场下工作而不会饱和,无需再使用片上集中器,并且可以通过多个接口直接编程。
- 更高的安全性:3DMAG 传感器提供出色的测量精度和性能以满足安全要求极高的汽车应用中的各种要求。 卓越的精度和片上诊断功能有助于提高自动驾驶和辅助驾驶车辆的驾驶员、乘客和公共安全。
3DMAG 传感器具有无与伦比的设计灵活性,可覆盖所有角度,适用于汽车、工业和消费电子应用。
3D 磁性位置传感器 IC 选择指南
设计资源

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
A31315 Slide-By Introductory Application Guide
AN296189 - The A31315 is a multi-axis Halleffect sensor with advanced integrated signal processing capabilities that simplifies the numerous design challenges that the systems designer faces.

Application Note
Short-Stroke Rotary Application of the A31315
AN296204 - This guide is intended to assist you in applying the A31315 Samples Programming Software to your short-stroke rotary application, such as a throttle-body, which uses the A31315 Advanced Linear Sensor and a target motion of 0° to 90°.

Application Note
How to Determine and Remove Systematic Channel Errors Using 3D Linear Angle Sensors
AN296201-This application note intends to describe the channel level errors and their impact on reported angle in 3D linear angle sensors when using the device in an on-axis rotary application. This document will also describe how to compensate for these errors using internal customer settings.

Application Note
A31315 DLL Programming using MATLAB on Windows OS
AN296260 - This application note describes procedures for programming the A31315 DLL using MATLAB on Windows OS.

Application Note
A31315 Single Die Sensor Error Function - How to Use
AN296229 - The Allegro 3D magnetic sensing devices can be used in a wide range of applications where mechanical motion (linear or rotational) can be expressed by a changing magnetic angle. Read More.