Description

The ATS657 includes an optimized Hall-effect sensing integrated circuit (IC) and rare earth pellet to create a user friendly solution for direction detection and true zero-speed, digital gear tooth sensing in two-wire applications. The small package can be easily assembled and used in conjunction with a wide variety of gear tooth sensing applications.

Features and Benefits

▪ Rotational direction detection

▪ High start-up and running mode vibration immunity

▪ Single-chip sensing IC for high reliability

▪ Internal current regulator for two-wire operation

▪ Variable pulse width output protocol

▪ Automatic Gain Control (AGC) and offset adjust circuit

▪ True zero-speed operation

▪ Wide operating voltage range

▪ Undervoltage lockout

▪ ESD and reverse polarity protection