カムシャフト センサー IC
Allegroは、EMC保護機能とTrue Power-On State (TPOS) 機能を完全に統合したカムシャフトポジションセンサを提供します。当社の高精度なTPOS性能は、様々な取り付けエアギャップにおいてエンジンの始動を高速化し、より効率的な作動を可能にします。
Featured Products
ATS675
The ATS675 is the next generation of the Allegro True Power-On State (TPOS) sensor IC family, offering improved accuracy compared to prior generations. The ATS675 provides absolute zero-speed performance and TPOS information.
ATS679
The ATS679LSL is a True Power-On State camshaft sensor incorporating a non-rare-earth back-biasing magnet, advanced fully synchronous digital IC, and EMC protection circuit all in a single sensing solution.
ATS601
The ATS601LSG is a single element, defined power–on state, sensor IC, it provides first falling edge detection, high running mode edge accuracy, and direction/orientation insensitivity over the full operating range of air gap, speed, and temperature.
ATS16351
Self-Calibrating TPOS GMR Camshaft Speed Sensor IC with Integrated EMC Components
カムシャフト ポジション センサー IC 選択ガイド
Documentation & Resources
Application Note
Method for Mechanical Mounting Tolerance Compensation on Allegro Speed Sensors
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.
Brochure
Brochure: Revolutionary GMR Cam/Crankshaft Sensors
The new Allegro ATS16951 crankshaft and ATS16351 camshaft sensors leverage giant-magnetoresistance (GMR) technology to create an ideal pairing for hybrid vehicle engines, two-wheelers, off-road vehicles, and other application designs that require extended air-gap performance.
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
Benefits of Dynamic Threshold Feature in ATS16351, GMR Back-Biased Speed Sensor IC
AN296257 - The Allegro ATS16351PSM [1] is a True-Power-On-State (TPOS) sensor providing the speed and position of a rotational ferromagnetic target.
Application Note
Differential Hall-Effect Sensors: Safer and More Reliable for Two-Wheelers of the Future
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.
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.