Micropower & Omnipolar Hall Switch - Very High Sensitivity

The MLX90248 is originally used in mobile phone applications for open/close lid detection (slide and jack-knife phone type). The goal of this detection is to Switch on or off the application if the lid is opened or closed, in order to save battery power.The same operation principle CAN be simply applied to any other battery-powered device with a lid/cover like laptop, digital cameras and camcorders.By the use of a very high sensitivity Hall Sensor a very small and cheap magnet is enough to trigger the MLX90248 hence it CAN easily replace reed Switch The major benefit of using a Hall Sensor is to provide electronic commutation, which is bounce-free, more reliable and with increased lifetime compared to usual mechanical contacts.The MLX90248 exhibits Omnipolar magnetic characteristics. It means the device reacts to both North and South magnetic pole. The purpose is to detect the presence of any magnetic field applied on the device.This mode of operation simplifies customer production processes by avoiding the need to detect the Hall Sensor pole active on the magnet used in the application.The Micropower feature makes the MLX90248 especially suitable for battery-powered device as it combines low voltage operation and low current consumption. By using a sleep/awake strategy managed internally, the power consumption is drastically reduced. To make a comparison, the MLX90248 consumes 100 times less power than the generic low voltage Melexis Hall Sensor US3881.As well as Thin SOT package, the MLX90248 is now delivered in an ultra thin UTQFN package. This new leadless package only requires 3mm2 PCB surface and is 0.43mm maximum thick, which is particularly important in design where space-saving and miniaturisation are the critical factors.
By Melexis Company
MLX90248 's PackagesMLX90248 's pdf datasheet

MLX90248 Pinout, Pinouts
MLX90248 pinout,Pin out
This is one package pinout of MLX90248,If you need more pinouts please download MLX90248's pdf datasheet.

MLX90248 Application circuits
MLX90248 circuits
This is one application circuit of MLX90248,If you need more circuits,please download MLX90248's pdf datasheet.

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