MLX90393ELW-ABA-011-SP

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===—MLX90393ELW-ABA-011-SP

The MLX90393 represents a pinnacle of flexibility within the Triaxis portfolio, encapsulated in its smallest package yet. Engineered for micropower applications, it boasts programmable duty cycles spanning from 0.1% to 100%, thereby allowing adaptable power consumption tailored to specific system requirements. This sensor’s versatility extends to its capability of being reprogrammed to different modes and settings on-the-fly, enabling fine-tuning of performance and power consumption.

At its core, the MLX90393 magnetic field sensor delivers a 16-bit output proportional to the magnetic flux density sensed along the X, Y, and Z axes, leveraging Melexis’ proprietary Triaxis technology. Additionally, it furnishes a 16-bit temperature output signal. These digital values are easily accessible via both I2C and SPI interfaces, with the MLX90393 acting as a slave on the bus. Moreover, the sensor facilitates the connection of multiple units on the same bus, either through hardwired connections using A0 and A1 (up to 4x) or by employing ordering codes with different software addresses (up to 4x).

By selectively choosing the axes to be measured, the raw data from the MLX90393 can serve as input for various post-processing applications, including joystick functionalities, rotary knobs, and more intricate 3D position sensing applications. This sensor’s performance is unparalleled, making it a prime choice for industrial and consumer applications alike, where precision and adaptability are paramount.

Features

1. Absolute Position Sensor IC featuring
   Triaxis® Hall Technology
   Simple & Robust Magnetic Design Miniature size for tiny assemblies
2.  Selectable SPI and I2C bus protocols
   Wide dynamic range (5-50mT) with on-the fly programmable gain
   2.2V-3.6V supply for battery powered applications, down to 1.8V IO voltage
   On board filter settings
   On the fly programmable operating modes and sleep times for micro-power use
   External and internal acquisition triggering modes
   External interrupt pin when the field changes
   On board temperature sensor

Package Includes

• 1 x MLX90393ELW-ABA-011-SP

Datasheet:

MLX90393-Datasheet-Melexis

MLX90393ELW-ABA-011-SP Overview

The MLX90393ELW-ABA-011-SP is a compact absolute position sensor IC from Melexis’s Triaxis family, designed to deliver high-resolution magnetic field measurements along X, Y and Z axes. Ideal for embedded systems, it integrates an on-board temperature sensor and offers flexible triggering modes for precise position detection in micropower applications.

Key Features of MLX90393ELW-ABA-011-SP

• Absolute 3-axis magnetic field sensing with 16-bit resolution for X, Y and Z measurements
• On-chip temperature sensor for real-time die temperature monitoring and compensation
• Programmable duty cycle from 0.1% to 100% to optimize power consumption
• External and internal acquisition triggering modes for synchronized or continuous measurement
• Reprogrammable operation modes and settings on-the-fly without hardware changes
• Genuine product, fast shipping from Zbotic across India

Applications and Use Cases

• Precision rotary or linear position sensing in industrial automation
• Contactless angle detection for robotics joints and motor commutation
• Knob, slider and joystick position feedback in consumer electronics
• Magnetic encoder applications in drones for gimbal stabilization
• Actuator and valve position monitoring in automotive and medical devices
• Wearable device orientation tracking with low-power requirements

How to Use MLX90393ELW-ABA-011-SP

Mount the MLX90393ELW-ABA-011-SP on your PCB close to the magnetic source, supply the recommended voltage, and connect its digital interface lines to your microcontroller. Configure the sensor’s registers to select internal or external trigger mode, set the duty cycle for your power budget, then initiate measurement commands to retrieve 16-bit magnetic field and temperature data.

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Frequently Asked Questions

Which axes does the MLX90393ELW-ABA-011-SP measure?

This sensor measures magnetic flux density along three orthogonal axes—X, Y and Z—providing 16-bit digital outputs for each axis.

How do I switch between external and internal triggering?

Use the sensor’s configuration registers to select the trigger mode. Internal mode continuously measures at the set duty cycle; external mode begins acquisition when a trigger pin is activated.

Can I adjust power consumption on the fly?

Yes. You can reprogram the duty cycle from 0.1% up to 100% via register settings during operation to balance measurement speed and power usage.