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MLX90248ESE-EBA-000-RE

MLX90248ESE-EBA-000-RE

Melexis Technologies NV
Digital Switch Omnipolar Switch Open Drain Hall Effect TSOT-23-3
Active68,828 in stock

Overview

The MLX90248 is a high-sensitivity, omnipolar Hall effect switch designed for low-power battery-operated systems. It features a chopper-stabilized amplifier and an open-drain output, operating reliably on supply voltages as low as 1.5V with a typical average supply current of only 10uA.

Why Choose This Part

This sensor offers omnipolar sensitivity, meaning it activates with either a North or South magnetic pole, simplifying assembly by removing magnet orientation requirements. Its exceptionally low 10uA average current draw and 1.5V to 3.6V operating range make it ideal for direct connection to single-cell Li-ion or 1.8V digital rails.

Applications

Flip-Open Mobile Devices
Detecting the open or closed state of flip-phones or clamshell portable electronics.
Reed Switch Replacement
A solid-state alternative to mechanical reed switches for proximity and lid-closure sensing.
Smart Metering
Detecting magnetic tampering or counting rotations in water or gas meters with minimal battery impact.
Home Automation
Wireless window and door contact sensors where ultra-low standby power is critical.

Key Specifications

Function Omnipolar Switch
Technology Hall Effect
Output Type Open Drain
Polarization North Pole, South Pole
Mounting Type Surface Mount
Sensing Range +/-6mT Trip, +/-0.8mT Release
Package / Case TO-236-3, SC-59, SOT-23-3
Test Condition 25degC
Voltage - Supply 1.5V ~ 3.6V
Operating Temperature -40degC ~ 85degC (TA)
Current - Output (Max) 10mA
Current - Supply (Max) 10uA
Supplier Device Package TSOT-23-3

Getting Started

When designing with the open-drain output, ensure an appropriate pull-up resistor (typically 10k to 100k Ohms) is connected to the VDD rail. For prototyping, the TSOT-23-3 package can be used with standard SOT-23 breakout boards; ensure a 100nF decoupling capacitor is placed close to the VDD and GND pins to filter high-frequency noise from the internal clock.

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