| 基于以太网接口的电源变换器的设计 |
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| 引用本文： | 李庆恒,沙占友.基于以太网接口的电源变换器的设计[J].河北科技大学学报,2006,27(1):74-77. |
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| 作者姓名： | 李庆恒 沙占友 |
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| 作者单位： | 河北科技大学经济管理学院,河北,石家庄,050018;河北科技大学信息科学与工程学院,河北,石家庄,050054 |
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| 摘 要： | 以太网是现有局域网中最通用的通信协议标准,而以太网电源是以太网的基础设备。本文设计了一种基于以太网接口的15 W DC/DC电源变换器模块电路。该电源由以太网接口电路和高效率DC/DC电源变换器2部分组成,模块中包含PoE识别信号阻抗、“0”类类型电路,采用MOSFET开关时,电源变换器的效率高达88%,PoE接口的效率可达97%以上。
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| 关 键 词： | 以太网电源 模块 单片开关电源 同步整流 |
| 文章编号： | 1008-1542(2006)01-0074-04 |
| 收稿时间： | 2005/3/10 0:00:00 |
| 修稿时间： | 2005年3月10日 |
Power transducer design based on ethernet interface |
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| LI Qing-heng and SHA Zhan-you.Power transducer design based on ethernet interface[J].Journal of Hebei University of Science and Technology,2006,27(1):74-77. |
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| Authors: | LI Qing-heng and SHA Zhan-you |
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| Institution: | College of Economics and Management,Hebei University of Science and Technology, Shijiazhuang Hebei 050018,China;College of Information Science and Engineering , Hebei University of Science and Technology,Shijiazhuang Hebei 050054,China |
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| Abstract: | Ethernet network is the most popular standard of communication protocol using LAN and the power over Ethernet is the basic equipment of Ethernet.A kind of circuit about the module of 15 W DC/DC PoE is designed in this paper.This power is made up of two parts:one is circuit of Ethernet interface and the other is highly efficient PoE.It contains PoE resistance of distinguished signal and the kind of circuit of "0".When using MOSFET switching,the power transducer can get a high efficiency of 88% and the PoE interface has a efficiency of more than 97%. |
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| Keywords: | power over ethernet module single-chip switching power supply synchronous rectification |
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