| 智能型多通道DC-DC变换器设计 |
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| 引用本文： | 高连波,苗国强,王丰贵. 智能型多通道DC-DC变换器设计[J]. 现代电子技术, 2013, 0(22): 152-155 |
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| 作者姓名： | 高连波 苗国强 王丰贵 |
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| 作者单位： | [1]山东省科学院自动化研究所,山东济南250014 [2]南京理工大学自动化学院,江苏南京210094 |
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| 基金项目： | 山东省泰山学者海外特聘专家人才项目（Tshw20091012）;山东省科学仪器设备升级改造技术项目（20120224787） |
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| 摘 要： | 采用多种智能型电压转换芯片，根据每个芯片的不同特征参数，搭建不同性能需求的电压转换电路；该设计由光电耦合器、三极管、PMOS管搭建切换电路，实现适配器供电与电池组供电的自动、快速切换；利用FPGA输出的高低电平控制由三极管和PMOS管搭建的开关电路，实现对部分供电通道的智能通断控制。该变换器已应用于微波探测仪的供电系统中，经测试表明该变换器具有效率高、纹波电压低、良好的稳态和动态响应的优点。
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| 关 键 词： | 智能控制 FPGA DC DC转换器 电源切换 |
Design of intelligent multi-channel DC/DC converter |
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| GAO Lianbo,MIAO Guoqiang,WANG Fenggui. Design of intelligent multi-channel DC/DC converter[J]. Modern Electronic Technique, 2013, 0(22): 152-155 |
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| Authors: | GAO Lianbo MIAO Guoqiang WANG Fenggui |
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| Affiliation: | 1. Institute of Automation, Shandong Academy of Sciences, Jinan 250014, China; 2. College of Automation, Nanjing University of Science and Technology, Nanjing 210094, China) |
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| Abstract: | A variety of intelligent voltage conversion chips,according to the different characteristics of each chip,is used to set up voltage conversion circuits that meet different performance requirements. The design innovations in this paper are the following two：photoelectric coupler,triode and PMOS tube are used to build the switch circuit for the implementation of the au-to quick power supply switch between adapter and battery;FPGA is used to output high and low level to control the switch cir-cuit built by PMOS tube and triode for the realization of the intelligent on-off control of the partial power supply channels. This converter has been applied to the power system of microwave detector. The testing result shows that the converter has high effi-ciency,low ripple voltage,good steady-state and dynamic response. |
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| Keywords: | intelligent control FPGA DC/DC converter switching of power |
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