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Research on Deep Development and Application of ASIC and Ceramic Capacitor Chip AEBS Pressure Sensor

Alexander Huwaldt, Zhenfei Xu*, Qifang Xu, Zhenhua Wang, Pu Zhang

Abstract


This paper addresses the high reliability requirements for pressure sensing in Automotive Automatic Emergency Braking Systems
(AEBS) by proposing a vehicle-mounted pressure sensor solution integrating an ASIC-based high-reliability chip framework with ceramic
capacitor sensing chips. The core implementation utilizes the NSC9260 signal conditioning chip for signal processing and temperature compensation, combined with the Sisy3 embedded modeling development system for rapid prototyping. The sensor features a measurement range
of 0-4 bar, operates across-40? to 150? temperature extremes, delivers full-temperature accuracy ?0.8%FS, and maintains load impedance
?100?. Through bench testing and real-world vehicle validation, the sensor demonstrates stable-state error ?1.5% in brake pressure control
with response time <1ms, fully meeting AEBS's stringent demands for high dynamic performance and stability in pressure monitoring.

Keywords


ASIC; Ceramic capacitor pressure sensor; NSC9260; AEBS; Sisy3 ; Temperature compensation; Wire control braking

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References


[1] Wang, X., Zhang, Y., & Li, Z. (2023). A High-Accuracy ASIC Design for MEMS Pressure Sensors in Automotive Applications. *IEEE

Sensors Journal*, 23(15), 16748-16756.

[2] Liu, H., & Chen, Y. (2022). Design and Optimization of Ceramic Capacitor Chips for Automotive Power Electronics. *Journal of Power

Electronics*, 22(6), 2677-2685.

[3] Zhang, Y., & Wang, H. (2021). Performance Evaluation and Improvement of AEBS in Complex Driving Environments. *IEEE Transactions on Intelligent Transportation Systems*, 22(10), 6337-6346.

[4] Kim, S., & Park, J. (2020). A Novel ASIC Architecture for Automotive Pressure Sensor Networks. *IEEE Transactions on Circuits and

Systems I: Regular Papers*, 67(12), 4067-4078.

[5] Lee, J., & Choi, S. (2023). Advanced Ceramic Capacitor Technologies for High-Voltage Automotive Applications. *Journal of the European Ceramic Society*, 43(10), 4379-4386.




DOI: http://dx.doi.org/10.70711/aitr.v2i12.8080

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