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本文提出了一种用于胎压监测的单芯片无线压力传感器，体积仅0.8mm³，精度达±0.68psi。该传感器集成了压力传感、无线通信和电源管理功能，解决了传统TPMS传感器体积大、功耗高的问题。
Jingren Gu1, Richard Ruby2, Brian P. Otis1 University of Washington, Seattle, WA, Avago Technologies, San Jose, CA 1 2 This work presents a single-chip sub-mm3 wireless pressure sensor suitable for tire pressure monitoring. The dynamic behavior and safety of an automobile tire is closely dependent on its inflation pressure: maintaining the manufacturerrecommended pressure is essential to prevent tire failure, provide stability, improve fuel efficiency and tire-life, and to reduce CO2 emissions [1]. Thus, Tire-Pressure Monitoring Systems (TPMS) have become an essential component in modern vehicles, as stipulated by the National Highway Traffic Safety Administration (NHTSA) in 2006. State-of-the-art TPMS systems currently require a pressure sensor, multiple ICs, several external components, and a crystal on a PCB allowing wireless transmission of tire pressure [2] [3]. In this work, we describe a sub-mm3 fully integrated wireless pressure sensor
Manohar B. Nagaraju1, Andrew R. Lingley1, Suresh Sridharan2,