Angle Position Sensor ICs

Angle Sensor IC Automotive Applications

Angle Position Sensor IC Overview

Allegro MicroSystems, a market leader in the design and manufacture of Hall-effect sensor integrated circuits, offers a growing family of high-performance angle position sensor ICs for on-axis and off-axis angle measurement applications. Based upon a patented Circular Vertical Hall (CVH) technology, Allegro’s angle sensors utilize a single channel phase methodology to calculate angle measurements. As a result, they offer higher accuracy, faster refresh rates, and more air gap independence than competitive angle sensor ICs. Also, since they utilize a single channel phase measurement method to calculate an angle, rather than dual channel amplitude measurements like competitive angle sensor ICs, there is no threat of angle accuracy degradation due to channel offset mismatch or amplitude saturation. Moreover, Allegro’s angle sensors support wider magnetic ranges and higher magnetic field levels than competitive solutions.

Each angle sensor sports a system-on-chip (SOC) architecture that includes a CVH front end, digital signal processing, factory and customer programmable EEPROM, and various industry standard interfaces for device configuration and angle measurement outputs.

Allegro’s angle sensor ICs are designed for safety critical automotive applications, such as electronic power steering, braking, transmission and other systems that require accurate measurement of angles. They are also well suited for various industrial applications including valve, level, and joystick control.

 

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