MLX90217LUA
Hall effect sensors for speed and camshaft position detection
Manufacturer： melexis
series introduction
# MLX90217LUA Product Series Introduction
## 1. Overview
The MLX90217LUA product series is a remarkable offering in the field of magnetic sensor technology, developed by Melexis, a leading provider of advanced mixed - signal semiconductor solutions. These sensors are designed to meet a wide range of applications where accurate and reliable magnetic field sensing is required. With their high - performance features and compact design, they have become a popular choice for engineers and designers across various industries.
## 2. Key Features
### 2.1 High Sensitivity
The MLX90217LUA sensors are equipped with high - sensitivity Hall elements. This allows them to detect even the slightest changes in the magnetic field. Whether it's a weak magnetic field generated by a small magnet or a more complex magnetic field pattern, these sensors can accurately measure and respond to the variations. This high sensitivity makes them suitable for applications where precision is crucial, such as in automotive position sensing and industrial automation.
### 2.2 Wide Operating Temperature Range
One of the significant advantages of the MLX90217LUA series is its wide operating temperature range. These sensors can operate effectively in temperatures ranging from - 40°C to 150°C. This makes them highly versatile and suitable for use in harsh environments, including automotive engine compartments, outdoor industrial equipment, and aerospace applications. The ability to withstand extreme temperatures ensures the reliability and longevity of the sensors in demanding conditions.
### 2.3 Low Power Consumption
In today's energy - conscious world, low power consumption is a critical factor. The MLX90217LUA sensors are designed with power efficiency in mind. They consume very little power during operation, which is beneficial for battery - powered devices and applications where energy conservation is essential. This low power consumption not only extends the battery life of portable devices but also reduces the overall energy costs in large - scale industrial applications.
### 2.4 Digital Output
The sensors in the MLX90217LUA series provide a digital output. This simplifies the interface with microcontrollers and other digital systems. The digital output eliminates the need for additional analog - to - digital conversion circuitry, reducing the complexity and cost of the overall system design. It also provides a more reliable and noise - immune signal transmission, ensuring accurate data transfer between the sensor and the control system.
### 2.5 ESD Protection
Electrostatic discharge (ESD) can cause significant damage to electronic components. The MLX90217LUA sensors are built with ESD protection features. They can withstand high - voltage ESD events, protecting the internal circuitry from damage during handling, installation, and normal operation. This ESD protection enhances the robustness of the sensors and reduces the risk of premature failure.
## 3. Applications
### 3.1 Automotive Industry
- **Position Sensing**: In automotive applications, the MLX90217LUA sensors are used for position sensing in various components such as throttle valves, gear shifters, and brake pedals. Their high sensitivity and accuracy ensure precise position detection, which is crucial for the proper functioning of these automotive systems.
- **Speed Detection**: They can also be used for speed detection in wheel speed sensors and engine camshaft sensors. The ability to operate in a wide temperature range makes them suitable for use in the harsh environment of the automotive engine compartment.
### 3.2 Industrial Automation
- **Proximity Sensing**: In industrial automation, the sensors are used for proximity sensing applications. They can detect the presence or absence of magnetic objects, such as metal parts on a conveyor belt. The digital output of the sensors makes it easy to integrate them into industrial control systems.
- **Position Control**: For robotic arms and other automated machinery, the MLX9021
Images for reference
TO-92 Pkg
MLX90217LUA