Melexis Surface Hall Switch CMOS Technology Unipolar 3.5 V to 24 V Supply, 23-Pin TSOT US5781ESE-AAA-000-RE

Melexis US5781ESE-AAA-000-RE Surface Hall Switch is a unipolar Hall-effect sensor designed using CMOS mixed signal technology, providing a stable and efficient magnetic sensing solution ideal for industrial, automotive, and solid-state switching applications. It integrates a voltage regulator, Hall sensor with dynamic offset cancellation, a Schmitt trigger, and an open-drain output driver into a compact TSOT 23-pin surface mount package.

This switch operates reliably across a wide voltage range from 3.5 V to 24 V and supports a broad temperature range from -40°C to 85°C, making it suitable for diverse operating environments, including automotive electronics and industrial control systems.

Featuring a maximum frequency response of 10 kHz, the device delivers responsive performance for motion sensing, position detection, and similar functions. The low supply current of 5 mA contributes to power efficiency in battery-powered or energy-sensitive applications.

The device comes in a thin TSOT package with dimensions 3 mm length, 1.7 mm width, and 900 μm height, facilitating integration into compact PCB layouts and surface mount assembly. The integrated open-drain output allows flexible interfacing with various electronics, while the unipolar magnetic sensitivity ensures activation with a designated magnetic pole.

This Hall switch is RoHS compliant, aligning with environmental standards for electronic components. The device features CMOS technology for low power operation and medium sensitivity. Has an operating supply voltage range between 3.5 V and 24 V.

Packaged in a 23-pin TSOT surface mount device for space-saving PCB placement. Operates in temperature ranges from -40°C to 85°C supporting automotive grade requirements. Open-drain output and integrated Schmitt trigger provide stable and clean switching signals.

Maximum frequency response up to 10 kHz ensures suitability for dynamic sensing. Supply current is a low 5 mA, efficient for portable and embedded systems. The unipolar sensor detects magnetic north pole fields specifically.

Complies with RoHS environmental directives.

This Melexis US5781ESE-AAA-000-RE sensor serves critical roles in automotive systems, industrial machinery, consumer electronics, robotics, and other fields requiring precise magnetic field sensing and switching. It supports engineers in developing compact, reliable sensor solutions in demanding environments. Explore more Hall Effect Sensors and complementary electronic components at EnvMart to support your design and manufacturing needs.