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US5881LSE-AAA-000-RE

US5881LSE-AAA-000-RE

Melexis Technologies NV
Digital Switch Unipolar Switch Open Drain Hall Effect TSOT-23-3
Active10,305 in stock
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Overview

The US5881LSE-AAA-000-RE is a unipolar Hall-effect switch designed in CMOS technology. It features a wide operating voltage range from 3.5V to 24V and is optimized for low-sensitivity applications that require a stable magnetic switching point. The device includes a chopper-stabilized amplifier stage to minimize offset and ensure consistent performance across its wide -40C to 150C operating temperature range.

Why Choose This Part

This sensor offers excellent thermal stability and high ESD protection, making it suitable for automotive and industrial grade designs. Its open-drain output allows for easy integration with various logic levels, while the chopper-stabilized architecture provides a robust solution against mechanical stress and temperature drift.

Applications

Automotive Speed and Position Sensing
Used in non-contact switching for gear shifts, seat position monitoring, and brake light activation.
Industrial Limit Switches
Reliable end-of-travel detection for automated machinery and robotics in harsh environments.
Brushless DC (BLDC) Motor Commutation
Provides rotor position feedback for controlling motor phases in high-temperature fans or pumps.
Security System Sensors
Detects the opening and closing of doors or windows in smart home and commercial security hardware.

Key Specifications

Function Unipolar Switch
Technology Hall Effect
Output Type Open Drain
Polarization North Pole
Mounting Type Surface Mount
Sensing Range 30mT Trip, 30mT Release
Package / Case TO-236-3, SC-59, SOT-23-3
Test Condition 25degC
Voltage - Supply 3.5V ~ 24V
Operating Temperature -40degC ~ 150degC (TA)
Current - Output (Max) 50mA
Current - Supply (Max) 5mA
Supplier Device Package TSOT-23-3

Getting Started

To integrate this sensor, connect a pull-up resistor between the output pin and the supply voltage, typically 4.7k to 10k ohms. Ensure a 100nF decoupling capacitor is placed close to the VDD pin to filter power supply noise. For evaluation, the sensor can be prototyped using a breadboard-compatible SOT-23 breakout board and a standard neodymium magnet.

Also Consider

AH3372 DIODiodes Incorporated - A high-sensitivity unipolar Hall switch with a similar 3V to 28V operating range.
TLE4906K IFXInfineon Technologies - Offers high magnetic precision and an integrated compensation circuit for high-reliability industrial use.