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AH545
Two wire current Hall switch sensor
1.Product Introduction
AH545 is a Hall switch chip designed based on
BCDMOS technology. The sensors includes hall
devices with temperature compensation, dynamic offset cancellation amplifiers, comparators, and
2.Function
output stages. The chip outputs current. The ➢ AEC-Q100 Grade 0 Automotive Level
comparator compares the actual magnetic flux with
Certification
a fixed reference value (switching point) to control ➢ Operating Vcc Range:3.0V~30V
the current level of the output MOSFET. Active ➢ ESD：±12kV
offset compensation can generate magnetic ➢ High mechanical stress suppression ability
characteristics with specific temperature coefficients ➢ Switching points with specific temperature
under various power supply voltages.
AH545 Datasheet
