Allicdata Part #: | US2881LUA-AAA-000-BU-ND |
Manufacturer Part#: |
US2881LUA-AAA-000-BU |
Price: | $ 0.00 |
Product Category: | Sensors, Transducers |
Manufacturer: | Melexis Technologies NV |
Short Description: | MAGNETIC SWITCH LATCH TO92UA |
More Detail: | Digital Switch Latch Open Drain Hall Effect TO-92U... |
DataSheet: | US2881LUA-AAA-000-BU Datasheet/PDF |
Quantity: | 3000 |
Series: | -- |
Packaging: | Bulk |
Part Status: | Active |
Function: | Latch |
Technology: | Hall Effect |
Polarization: | South Pole |
Sensing Range: | 4.5mT Trip, -4.5mT Release |
Test Condition: | 25°C |
Voltage - Supply: | 3.5 V ~ 24 V |
Current - Supply (Max): | 5mA |
Current - Output (Max): | 50mA |
Output Type: | Open Drain |
Features: | -- |
Operating Temperature: | -40°C ~ 150°C (TA) |
Package / Case: | TO-226-3, TO-92-3 Short Body |
Supplier Device Package: | TO-92UA |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
Magnetic Sensors - Switches (Solid State)
US2881LUA-AAA-000-BU is a magnetic sensor switch which has been designed with solid state technology. It is suitable for various applications such as detection of the presence of magnetic fields, contactless switching, and level monitoring.
Application Field
US2881LUA-AAA-000-BU finds application in numerous industrial and consumer end-products such as security systems, AMRs, automotive, anti-theft systems, and consumer electronic devices.
The ability of the sensor to sense in the presence of small and fluctuating magnetic fields make it ideal for use in security systems. The device is also used to detect the presence of a stolen item both from elevators and from supermarkets. The sensitivity of the sensor allows it to detect even a slight change in magnetic field which enable it to trigger alarm systems.
The automotive industry use the device in their ASRs, cruise control brakes, and airbag systems. It is also used in AMRs to detect the presence of magnetic fields in order to initiate autonomous operations. The US2881LUA-AAA-000-BU sensor has also found application in consumer electronic devices such as Smartphones and laptops, where it is used for closing and opening the lid or in switching off the device.
Working Principle
The US2881LUA-AAA-000-BU sensor works on the principle of Hall effect. It consists of a Hall element which provides the output signal proportional to the intensity of a magnetic field. The device utilizes the Lorentz force to measure the magnetic field. It works in such a way that a small current passes through the conductor placed inside a magnetic field that produces an electric force perpendicular to the neighboring magnetic field.
The other part of the device consists of a bias circuit that controls the sensitivity of the device. The signal from the Hall element is amplified and processed by a comparator circuit to create an output from the device that is proportional to the intensity of the magnetic field.
The strength of the magnetic field an be measured in mT or G. With the help of a Hall-effect sensor, the strength of the magnetic field around it can be measured accurately. The US2881LUA-AAA-000-BU can measure magnitude of the magnetic field as low as 0.2mT, and is accurate up to 0.85mT. The switch also produces a linear output which is proportional to the magnitude of the fluctuating magnetic field.
Conclusion
US2881LUA-AAA-000-BU is an advanced and versatile magnetic sensor switch, designed witha solid state technology. It finds its application in a wide range of industrial and consumer end-products and is ideal for level sensing, contactless switching, and the detection of the presence of magnetic fields. The device works on the principle of Hall effect and has an accuracy of up to 0.85mT. The magnetic field can be measured in mT or G, which is displayed as a linear output according to the fluctuation in the magnetic field.
The specific data is subject to PDF, and the above content is for reference
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