| 一种基于MAX8677A和PF6290的WSN节点电源系统的设计 |
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| 引用本文： | 孟浩,孙富康,钟娟.一种基于MAX8677A和PF6290的WSN节点电源系统的设计[J].低温与超导,2010,38(6). |
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| 作者姓名： | 孟浩 孙富康 钟娟 |
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| 作者单位： | 1. 安徽农业大学信息与计算机学院,合肥,230036
2. 安徽建筑工业学院,合肥,230601 |
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| 基金项目： | 安徽建筑工业学院建筑节能研究院开放课题 |
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| 摘 要： | 介绍一种无线传感器网络(WSN)中节点系统电源的设计方案。该电源系统需要为节点系统中的微处理器、无线通讯、数据采集和传感器等单元提供工作电源。该电源系统既外接220V交流,内部也有3.7V锂电池;系统工作时自动对供电方式进行对选择,并完成锂电池充电任务。电源系统具备动态电源管理功能,通过微处理器实现节点系统的低功耗休眠状态及其唤醒机制。详细地描述了该电源系统的硬件结构,给出了芯片描述和具体的电路设计图,并介绍了节点系统休眠和唤醒的软件流程。
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| 关 键 词： | 无线传感器网络 电源系统 智能电源选择 升压电路 动态电源管理 |
Design of power system in WSN node based on MAX8677A and PF6290 |
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| Meng Hao,Sun Fukang,Zhong Juan.Design of power system in WSN node based on MAX8677A and PF6290[J].Cryogenics and Superconductivity,2010,38(6). |
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| Authors: | Meng Hao Sun Fukang Zhong Juan |
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| Affiliation: | Meng Hao1,Sun Fukang2,Zhong Juan2(1.School of Information and Computer,Anhui Agricultural University,Hefei 230036,China,2.Anhui Institute of Architecture and Industry,Hefei 230601,China) |
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| Abstract: | This paper introduced a design of power system in WSN node.The power system supplied reliable power to micro-controller,wireless communication module,data acquisition,and senor,etc.The power system included external 220V AC port and internal 3.7V Li-battery,and could automatically select power supply mode and charge up Li-battery.Through micro-controller,the power system implemented low-power sleep and wake-up function.The paper also shown hardware structure and circuit diagram of the power system,and descr... |
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| Keywords: | Wireless senor network Power system Smart power select Step-up DC-DC Dynamic power management |
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