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Infineon News
Infineon presents XENSIV tire pressure sensor with intelligent features for tire pressure monitoring systems
Infineon Technologies AG combines its proven automotive expertise with its patented glass-silicon-glass MEMS sensor for the automotive tire pressure monitoring system (TPMS) market to launch the XENSIV SP49 tire pressure monitoring sensor.
The sensor integrates MEMS sensors and ASIC and provides smart tire features that enable advanced tire pressure monitoring systems. It features a powerful 32-bit Arm® M0+ core, a large flash memory and RAM, Low Power Monitoring (LPM), and optimized fast acceleration sensing. The SP49 is ideally suited for intelligent tire functions such as on-tire auto-position sensing, tire inflation assistance, tire blowout detection, and load detection.
The SP49 is a pin-to-pin replacement for Infineon's last generation SP40 TPMS products. With its hardware master/slave I²C interface and software-simulated UART, SPI and PWM interfaces, the SP49 is ideal for sub-1GHz and scalable for BLE TPMS. Available at ASIL-A, the sensor offers a high level of integration and is optimized to perform all functions required to implement a modern TPMS module. With its integrated microcontroller, sensors and convenient peripherals, the SP49 requires only a few passive components to form a complete TPMS sensor unit. The device is designed for low power consumption, making it ideal for battery-powered applications.
In addition to the ability to generate a wake-up from the integrated interval timer, the SP49 products are suitable for stand-alone remote pressure sensing solutions that require low power consumption. In these applications, the LF receiver with wake-up capability and best-in-class sensitivity enables on-demand measurements.
Availability
The XENSIV tire pressure sensor can be ordered now. More information is available at www.infineon.com/tire-pressure-sensor-tpms/sp49.
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