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Features Patented Glass-Silicon-Glass MEMS pressure sensor with best-in-class media compatibility Calibrated pressure sensor for absolute air pressure measurement Z-axis accelerometer for motion detection and angular measurement Temperature and supply voltage sensors Industry-standard 8051 microcontroller with 14K of Flash memory System Controller with flexible wake-up and power management features RF Transmitter with fractional-N sigma-delta PLL Unique firmware functions for determination of angular wheel position, supporting tire localization (APS) LF Receiver allows carrier detection and modulated telegram reception Variants SP40Truck (order code SP400-15-11, product code 0015H) with pressure range up to 1400 kPa Applications Valve based TPMS-Modules OEM Aftermarket Retrofit In Tire TPMS Modules Description The SP40T provides a very high level of integration, and is optimized to perform all of the functions necessary to implement a state-of-the-art Tire Pressure Monitoring System (TPMS) sensor module. With its integrated micro controller, sensors, and convenient peripherals, the SP40T needs the addition of only a few passive components and a battery to form a complete TPMS sensor assembly.
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