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High Sensitivity Latching Digital Hall-Effect Sensor ICs Simplify Installation

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A set of high-sensitivity latching hall-effect sensor ICs include built-in pull-up resistors for high-performance yet economical sensor ICs suited for demanding, cost-sensitive, high-volume applications. Applications include commuting brushless DC motors used for medical equipment and appliances as well as for flow-rate sensing, speed and RPM sensing, tachometers, counter pickups, motor and fan controls.

The SS360PT/SS460P Hall-Effect sensors from Honeywell provide reliable switching points with a high magnetic sensitivity of 30 Gauss typical, at 25°C [77°F], and 55 Gauss maximum over the full -40° to 125°C [-40F to 257°F] temperature range, allowing for the use of smaller magnets or a wider air gap. These sensor ICs do not use chopper stabilization on the Hall element, providing a cleaner output signal and a faster latch response time when compared to competitive, chopper-stabilized, high-sensitivity Hall-effect bipolar latching sensor ICs. Latching magnetics make these sensors well-suited for accurate speed sensing and RPM (revolutions per minute) measurement.

The sub-miniature, SOT-23 surface mount package (SS360PT) allows for compact design with automated component placement. The small, leaded, flat TO-92-style package (SS460P) allows for a compact PC board layout design. Wide operating voltage range of 3 VDC to 24 VDC provides for potential use in a wide range of applications. Built-in reverse voltage capability enhances the protection of the sensor and the circuits, and the robust design allows operation up to 125°C [257°F].

Honeywell Sensing and Control
Minneapolis, MN
(815) 235-6847
www.sensing.honeywell.com