应用于无线传感器网络的DC-DC升压转换器设计  

Design of DC-DC step up converter applied in wireless sensor networks

作　　者：潘银松[1] 杨帅举[1] 刘凤琳[1] 余华[1] 

机构地区：[1]重庆大学光电技术及系统教育部重点实验室,重庆400030

出　　处：《传感器与微系统》2012年第7期120-122,129,共4页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(61074177);重庆市科学技术计划资助项目(CSTC:2009BB2034)

摘　　要：无线传感器网络的应用越来越广泛,根据从环境中获取能量的需要,提出一种两级电荷泵结构的DC-DC升压转换器,通过两级升压将热电发电机产生的低压升至工作电压,该结构具有体积小、转换效率高等优点。仿真结果表明:使用0.18μm CMOS低阈值电压工艺时,能够将低压0.1 V升至2.5 V,在输入电压为0.1 V时,转换效率为45%,功耗为3.1μW。According to the need of energy acquiring from environment, a DC-DC step up converter with two-stage charge pump structure is presented. The low voltage generated by TEG is converted to high work voltage through two-stage converter. This converter is simulated in a 0.18 μm low threshold CMOS process. The simulation result shows that this converter operated with 0.1 V input, supplied a regulated 2.5 V output, conversion efficiency is 45 % and power consumption is 3.1μW.

关 键 词：热电 DC-DC升压转换器 低压 低功耗 

分 类 号：TN492[电子电信—微电子学与固体电子学] TN402