Low-Power and Turns-Count Sensing with the A1337 Angle Sensor IC

Introduction
Numerous applications ranging from industrial automation
and robotics to electronic power steering (EPS) and motor
position sensing require monitoring the angle of a rotating
target. The design of any successful angle measurement
system for such applications needs to be based on the user’s
requirements. Application notes AN269115 and AN269121
cover the use of Allegro angle sensor ICs in on-axis and
off-axis magnet configurations. This application note covers
the use of the Allegro A1337 angle sensor IC for batterypowered
applications (automotive or non-automotive) that
require the sensor to operate in multiple mission modes.

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AN296116-Low-Power-Turns-Count-Sensing