一种应用于胎压监测系统的低功耗低频唤醒接收机

doi:10.16257/j.cnki.1681-1070.2024.0165

电子与封装 ›› 2024, Vol. 24 ›› Issue (12): 120303 . doi: 10.16257/j.cnki.1681-1070.2024.0165

一种应用于胎压监测系统的低功耗低频唤醒接收机

杨艳军¹,陈鸣²,钟福如¹,黄成强¹

1. 遵义师范学院物理与电子科学学院，贵州遵义 ?563006；2. 中国科学院微电子研究所，北京 ?100029

收稿日期:2024-06-05 出版日期:2024-12-25 发布日期:2024-12-25
作者简介:杨艳军（1986—），男，湖南邵阳人，博士，副教授，主要研究方向为数模混合集成电路设计。

Low-Power Low-Frequency Wake-up Receiver for Tire Pressure Monitoring System Applications

YANG Yanjun¹, CHEN Ming², ZHONG Furu¹, HUANG Chengqiang¹

1. Schoolof Physics and Electronic Science,Zunyi Normal University, Zunyi 563006, China; 2. Instituteof Microelectronics of the Chinese Academy of Sciences, Beijing 100029, China

Received:2024-06-05 Online:2024-12-25 Published:2024-12-25

摘要/Abstract

摘要： 基于X-Fab 0.18 μm CMOS工艺，设计实现了一种应用于胎压监测系统的低功耗低频唤醒接收机。采用参考源来为接收机的其他模块提供偏置，以减小温度和工艺参数的影响，同时采用电容耦合的方法来消除直流失调。该接收机采用幅移键控（ASK）解调方式，载波频率为125 kHz，数据传输速率为4 kbit/s。接收机的版图面积为0.11 mm²。后仿真结果表明，在tm工艺角和1.8 V电源电压的条件下，该接收机工作电流为2.52 μA；在各种工艺角下，电压灵敏度为0.4 mV（峰峰值），接收信号强度指示信号的对数线性误差小于+0.1/-0.2 dB。

关键词: 胎压监测系统, 低频唤醒接收机, 接收信号强度指示, 低功耗

Abstract: A low-power low-frequency wake-up receiver for tire pressure monitoring system applications is designed and implemented based on the X-Fab 0.18 μm CMOS process. A reference source is used to bias the other modules of the receiver to minimize the effects of temperature and process parameters, and capacitive coupling method is used to eliminate DC offset. The receiver adopts amplitude shift keying(ASK) demodulation with a carrier frequency of 125 kHz and a data transmission rate of 4 kbit/s. The layout area of the receiver is 0.11 mm². The post simulation results show that the current of the receiver is 2.52 μA at tm process angle and a supply voltage of 1.8 V, the voltage sensitivity is 0.4 mV (peak-to-peak), and the log-linearity error of the received signal strength indicator is less than +0.1/-0.2 dB at various process angles.

Key words: tire pressure monitoring system, low-frequency wake-up receiver, receive signal strength indication, low-power

中图分类号:

TN402

杨艳军,陈鸣,钟福如,黄成强. 一种应用于胎压监测系统的低功耗低频唤醒接收机[J]. 电子与封装, 2024, 24(12): 120303 .

YANG Yanjun, CHEN Ming, ZHONG Furu, HUANG Chengqiang. Low-Power Low-Frequency Wake-up Receiver for Tire Pressure Monitoring System Applications[J]. Electronics & Packaging, 2024, 24(12): 120303 .

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一种应用于胎压监测系统的低功耗低频唤醒接收机

Low-Power Low-Frequency Wake-up Receiver for Tire Pressure Monitoring System Applications

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