Magnetic Position Sensors
Low-Cost, Bipolar, Hall-effect
Sensors
SS40A/SS50AT Series
Sensing and Control
FEATURES
• Small size
• Low cost
• Reverse polarity protection
• Sensitive - bipolar
magnetics respond to
alternating north and south
poles
• Thermally balanced,
integrated circuit over a full
temperature range
• Stable operation
TYPICAL APPLICATIONS
• Cooling fan control in
computers and appliances
• RPM (revolutions per
minute) sensing, speed
control
• Brushless dc motor
commutation
• Position sensing and motor
control
• Simple magnetic encoder
• Flow-rate sensor