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MULTIPLEXED TWO-WIRE HALL-EFFECT SENSOR ICs

The UGN3055U Hall-effect sensor is a digital magnetic sensing IC capable of communicating over a two-wire power/signal bus. Using a sequential addressing scheme, the device responds to a signal on the bus and returns the diagnostic status of the IC, as well as the status of each monitored external magnetic field. As many as 30 sensors can function on the same two-wire bus. This IC is ideal for multiple sensor applications where minimizing the wiring harness size is desirable or essential.

FEATURES

■ Complete Multiplexed Hall-Effect IC with Simple Sequential Addressing Protocol

■ Allows Power and Communication Over a Two-Wire Bus (Supply/Signal and Ground)

■ Up to 30 Hall-Effect Sensors Can Share a Bus

■ Sensor Diagnostic Capabilities

■ Magnetic-Field or Switch-Status Sensing

■ Low Power of BiMOS Technology Favors Battery-Powered and Mobile Applications

■ Ideal for Automotive, Consumer, and Industrial Applications