On-Chip Hybrid Power Supply System for Wireless Sensor Nodes

被引：0

作者：

Liu, Wulong ^{[1
]}

Wang, Yu ^{[1
]}

Liu, Wei ^{[1
]}

Ma, Yuchun ^{[2
]}

Xie, Yuan ^{[3
]}

Yang, Huazhong ^{[1
]}

机构：

[1] Tsinghua Univ, TNList, Dept EE, Beijing 100084, Peoples R China

[2] Tsinghua Univ, TNList, Dept Cs, Beijing 100084, Peoples R China

[3] Penn State Univ, Dept CSE, University Pk, PA 16802 USA

来源：

2011 16TH ASIA AND SOUTH PACIFIC DESIGN AUTOMATION CONFERENCE (ASP-DAC) | 2011年

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

(1)With the miniaturization of electronic devices, small size but high capacity power supply system appears to be more and more important. A hybrid power source, which consists of a fuel cell (FC) and a rechargeable battery, has the advantages of long lifetime and good load following capabilities. In this paper, we propose the schematic of a hybrid power supply system, that can be integrated on a chip compatible with present CMOS process. Besides, considering the problem of maximizing the on-chip fuel cell's lifetime, we propose a modified dynamic power management (DPM) algorithm for on-chip fuel cell based hybrid power system in wireless sensor node design. Taking the wireless sensor node powered by this hybrid power system as an example, we analyze the improvement of the FC-Bat hybrid power system. The simulation results demonstrate that the on-chip FC-Bat hybrid power system can be used for wireless sensor node under different usage scenarios. Meanwhile, for an on-chip power system with 1cm(2) area consumption, the wafer-level battery can power a typical sensor node for only about 5 months, while our on-chip hybrid power system will supply the same sensor node for 2 years steadily.

引用

页数：6

共 26 条

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