
SEC Electronics Inc.
General Description
The SS539 is an integrated Hall effect latched sensor designed for electronic commutation of brush-less DC motor applications. The device integrates a voltage regulator, reverse battery protection diode, Hall sensor with dynamic offset cancellation system, temperature compensation circuitry, small signal amplifier, Schmitt trigger and an open-collector output to sink up to 25 mA
FEATUREs and Benefits
– 4.5V to 24V Operation
– -40°C to 150°C Superior temperature operation
– Bipolar technology
– Open-collector 25 mA output
– Reverse battery protection
– Solid-state reliability
– Resistant to physical stress
– Small Size-SOT23 3L and SIP 3L
– Activate with small, commercially available
Permanent magnets
APPLICATION Examples
– Automotive, Consumer and Industrial
– Solid-state switch
– Brushless DC motor commutation
– Speed measurement
– Angular position detection
– Revolution counting
– Proximity detection