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Allegro 提供更全面的磁性速度传感器 IC 产品组合，涵盖各种速度以及带方向的速度、两线和三线接口、磁性编码器（环形磁体）和齿轮齿感应、霍尔和 GMR 技术，以及符合 ASIL 的选项，这些选项适用于变速箱、轮速、发动机、电机和更多编码器和齿轮齿感应应用。
创新型 Allegro 霍尔效应和 GMR 技术可提供市场上更稳健且更可靠的齿轮齿和环形磁体速度感应。
得益于数十年的应用和算法经验以及与 OEM 的密切合作，Allegro 能够根据具体应用来开发速度传感器 IC，并针对您的目标应用进行优化 — 以此提高安全性、可靠性和性能。
We provide fully integrated hall-effect camshaft position sensor IC solutions for EMC protection and true power-on state (TPOS). Optional back-biased magnets simplify your design while improving performance.
With high performance and excellent edge accuracy, our fully integrated ICs are also highly flexible. We offer optimized solutions for engines in 2-wheelers and advanced solutions that are essential for start-stop engines.
Working on something other than a vehicle? Our portfolio provides optimized speed sensor IC solutions for many non-automotive applications.
Our ICs are ready for any challenge presented by fuel-efficient 6 to 10-speed transmissions, providing you with industry-leading vibration immunity and dynamic air gap capability.
February 23, 2022
P0083 - With the rise of vehicle electrification, computerized control systems, and subsystem reliability monitoring, it has become essential for systems to have accurate rotational information for each wheel of the vehicle.了解更多
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了解更多
AN296175 - Accuracy requirements for absolute mechanical edge detection on cam sensors and more generally on engine management speed sensors have noticeably increased with the need for power optimization and emissions control in car engines being sold today.了解更多
Allegro MicroSystems giant magnetoresistance (GMR) effect technology offerings build on lessons learned from experience with Hall-effect devices to enable new options for speed sensing system design.了解更多
August 27, 2019
AN296173 - The use of electronic controls for engine, transmission, and wheel speed in two- and three-wheeled vehicles is growing, particularly in developing nations. This trend is largely driven by mandates to improve air quality, fuel efficiency, and vehicle safety worldwide.了解更多
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 ...了解更多
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.了解更多