Melexis has launched a groundbreaking high-precision pressure sensor, the MLX90818, specifically designed for challenging media applications in the automotive industry. This new device is set to redefine performance and reliability in engine management systems.
The MLX90818 is a factory-calibrated absolute pressure sensor that operates within a range of 1.0 to 5.5 bar, making it perfect for use in naturally aspirated, direct injection, and turbocharged engines. Its compact design—only 4mm x 5mm in a DFN package—integrates an NTC channel for temperature compensation, reducing the need for external components. This makes it an ideal choice for OEMs looking to develop small, durable intake manifold pressure (MAP) sensors.
One of the standout features of the MLX90818 is its corrosion-resistant construction, which ensures long-term stability in harsh environments, especially in modern, lightweight engines operating in halogen-rich conditions. The sensor can withstand up to 18V overvoltage and function reliably across a wide temperature range of -40°C to +150°C, making it suitable for all under-hood applications.
With a pressure accuracy of ±0.5% to ±0.75% over the device's lifetime at 150°C, the MLX90818 is well-suited for high-accuracy MAP and EGR sensors. By improving engine efficiency, this sensor helps reduce harmful NOx emissions and lower CO2 output, contributing to cleaner and more sustainable vehicle technologies.
The MLX90818 supports the J2716 SENT protocol, allowing for fast and flexible configuration to meet specific customer requirements. Melexis also offers factory calibration, while small batch users can easily configure the device using application pins with proven software tools from Melexis.
Laurent Otte, Product Line Manager for Melexis Pressure Sensors, stated, “The MLX90818 marks a significant advancement in automotive pressure sensing. It delivers unmatched precision in even the toughest environments, helping drive the development of more efficient and environmentally friendly vehicles.â€
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