| 基于FPGA的Buck变换器的研究与设计 |
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| 引用本文： | 程红丽,高凡. 基于FPGA的Buck变换器的研究与设计[J]. 陕西工学院学报, 2012, 0(3): 5-9 |
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| 作者姓名： | 程红丽 高凡 |
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| 作者单位： | 西安科技大学电气与控制工程学院,陕西西安710054 |
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| 基金项目： | 新世纪优秀人才支持计划资助项目（NCET050875） |
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| 摘 要： | 与传统的模拟控制相比，提出了一种基于BuckDC—DC变换器的电流滞环数字控制方法，通过数控芯片计算、处理采样得到的瞬时电压、电流值，将电感电流稳定在一定的滞环范围内，达到稳定输出电压的效果。分析了负载突变时电路的动态响应，给出了主电路器件参数的选择和设计方法，并制作了一台以FPGA芯片为控制核心的智能数控开关电源，验证了控制方法的可行性和理论分析的正确性。
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| 关 键 词： | FPGA Buck变换器 数字控制 开关电源 |
Research and design of Buck converter based on the FPGA |
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| CHENG Hong-li,GAO Fan. Research and design of Buck converter based on the FPGA[J]. Journal of Shaanxi Institute of Technology, 2012, 0(3): 5-9 |
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| Authors: | CHENG Hong-li GAO Fan |
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| Affiliation: | (School of Electrical Engineering, Xi＇an University of Science ＆ Technology, Xi＇an 710054, China) |
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| Abstract: | Compared with the traditional analog control mode, this paper presents a current control method based on Buck DC-DC converter. Instantaneous voltage and current values were sampled and cal- culated by chip, through which , could keep the inductor current steady in a certain range and achieve the effect of stable output voltage. The dynamic performance of load changing and starting procedure was ana- lyzed. The selection of device parameter and design method were given. Finally, an intelligent converter based on FPGA was given and the feasibility of the control approach was vertified and the correctness of the theory was analyzed. |
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| Keywords: | FPGA Buck converter digital control switch power supply |
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