⚡ 本页包含 AI 生成的分析内容,仅供参考
本文提出了一款基于ΔΣ调制器的温度传感器,采用32nm CMOS工艺,工作电压1.05V,功耗1.6mW,实现了0.45°C的3σ分辨率。该传感器通过寄生电阻补偿技术,解决了多核处理器中热管理需求,提供了低功耗、高精度的温度测量方案。
Intel, Hillsboro, OR In the multicore era, thermal/power management is essential in order to meet platform-performance and energy-efficiency requirements. Accurate temperature measurements are required to reliably maximize microprocessor performance under a thermal envelope. Furthermore, in a large multicore microprocessor, multiple-location hot-spot temperature measurements are critical to limit leakage through load balancing. The requirements for absolute inaccuracy are modest (<8°C), but good relative inaccuracy (<3°C) is needed [1,2]. Increases in transistor variations and switching noise make static measurements difficult, and having multiple local temperature sensors for each hot-spot location is impractical. Besides, trimming a sensor for each hot-spot is costly. This paper presents a temperature sensor for remote temperature sensing that achieves the required resolution and variation tolerances by: 1) chopping the input current to
Y. William Li, Hasnain Lakdawala, Arijit Raychowdhury, Greg Taylor, K. Soumyanath