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.
Our patented, best-in-class GMR technology provides low jitter and high air gap over the widest installation tolerance.
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
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
AN296226 - This paper explores the general requirement trends for speed and position sensors in traction motor systems, including high-speed capability, accuracy at startup, low-speed operation, immunity to vibration, EMC robustness, and safety.了解更多
This application note describes how to use a Hall sensor device such as the Allegro ATS605LSG as an encoder in a system with a ferrous target, and gives target design recommendations to achieve outputs in quadrature and a 50% duty cycle for each output.了解更多
Seth Prentice, Strategic Marketing Manager for Allegro MicroSystems Speed Sensor IC group, discusses IC solutions for designing speed sensing applications including automotive transmissions, washing machine drum speeds, and fork lift positioning requiring reliable consistent output signals.了解更多
AN296178 - This application note details the impact of multiple target design parameters on the maximum air gap achievable with Allegro’s ATS692LSH and ATS19520LSN transmission sensors, allowing for measurement of speed and direction of rotating targets.了解更多