Honeywell Launches High Sensitivity Latching Digital Hall-Effect Sensor Integrated Circuits

Internal pull-up Resister Design Cuts Costs by Simplifying Installation and Eliminating the Need for External Components, Eliminating the Need for Chopper Stabilization Results in a Clean Output Signal

MINNEAPOLIS, Minn. - Dec. 20, 2013 - Honeywell Sensing and Control's new SS360PT and SS460P High Sensitivity Latching Hall-Effect Sensor ICs with Built-in Pull-up Resistors are high performance yet economical sensor ICs well-suited for demanding, cost-sensitive high-volume applications, such as 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 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 °C to 125 °C [-40 °F 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. See a test comparison white paper at

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].

"The new SS360PT and SS460P are the industry's best solutions for brushless dc motor manufacturers that need latching sensors with reliable, consistent performance," said Joshua Edberg, senior global marketing manager in the Magnetic Sensors division at Honeywell Sensing and Control. "Honeywell's new High Sensitivity Hall-Effect Latching Sensor ICs with built-in pull-up resistors are less costly and more compact for brushless motor designs."

These Hall-Effect devices are available in two package styles: the SS360PT in the miniature SOT-23 surface mount package and the SS460P in the leaded, flat TO-92-style package. The SS360PT is supplied on tape and reel (3000 units per reel). The SS460P is available in a bulk package (1000 units per bag).

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