在变速箱传感器性能方面设定新标准
Featured Products
A19520
The A19520 is an advanced vibration-tolerant Hall-effect integrated circuit (IC) that measures the speed and direction of rotating targets, ideal for transmission applications.
ATS19520
The ATS19520 is an advanced Hall-effect transmissions sensor that uses an integrated back-bias magnet to measure the speed and direction of rotating ferrous targets.
ATS19580
Large Air Gap, GMR Transmission Speed and Direction Sensor IC for Gear Tooth Sensing
ATS667
ATS667 is a true zero-speed sensor in a single over-molded package; high accuracy gear tooth sensor with an optimized Hall IC-rare earth pellet configuration.
变速箱传感器 IC 选择指南
Documentation & Resources
Application Note
Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs
AN296250 - This document provides an overview of the phenomena of stray magnetic fields, its various sources, solutions developed to minimize its effects, and product proposals tolerant to stray field perturbations.
Application Note
A19520/ATS19520 Sensor IC Outputs Under Vibration Conditions
AN296232 - This application note details the Allegro A19520 and ATS19520 sensor IC outputs for general target and sensor vibration scenarios.
Application Note
Speed Sensor Protocols
AN296246 - This application note provides a detailed description of commonly used output protocols implemented in speed sensors. It also lists the benefits and drawbacks of each and provides information on the safety mechanisms these protocols offer to achieve compliance with the latest automotive safety standards.
Application Note
Fundamental Properties of Speed Sensors
The aim of this application note is to provide a solid foundation for understanding and comparing the fundamental properties of speed sensors that are valid not only for Allegro products but for speed sensors in general.
Application Note
Understanding Input Signal Variation in Sensor ICs with SolidSpeed Digital Architecture
AN29622 - This application note is to be used to aid the understanding of these datasheet line items. This specification change can be seen in the A19302 and A19571 datasheets and will continue to be used in many parts that use this technology moving forward
Brochure
Brochure: State-Of-The-Art Back-Biased GMR Speed Sensing
Allegro pioneers the first back-biased GMR Sensor with 50% larger air gaps. This larger air gap operation enables smaller and lighter transmissions that achieve reduced fuel consumption to help meet today's fuel economy standards.