| 基于DSP降压型DC-DC变换器的设计与实现 |
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| 引用本文： | 曾维.基于DSP降压型DC-DC变换器的设计与实现[J].煤炭技术,2012,31(8):144-145. |
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| 作者姓名： | 曾维 |
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| 作者单位： | 成都理工大学信息科学与技术学院,成都,610059 |
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| 摘 要： | 通过对基本buck变换器的设计,采用基于TI公司的DSP芯片TMS320F808实现闭环反馈回路控制。输入电压范围为10V～20V,输出电压为5V,最大输出电流为2A。根据数字电源的原理与特点,合理设计电路,并给出了外围器件参数的计算选取及部分器件计算制作方法。
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| 关 键 词： | 开关电源 buck拓扑 电压控制脉冲宽度调制(PWM) |
Design and Implementation of Step-down DC-DC Converter Based on DSP |
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| ZENG Wei.Design and Implementation of Step-down DC-DC Converter Based on DSP[J].Coal Technology,2012,31(8):144-145. |
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| Authors: | ZENG Wei |
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| Affiliation: | ZENG Wei(School of Information Science & Technology,Chengdu University of Technology,Chengdu 610059,China) |
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| Abstract: | In this paper,the design of the buck converter,based on TI's DSP chip TMS320F2808 closed loop control feedback loop,input voltage 10V-20V,output voltage 5V,maximum output current of 2A.The digital power supply design based on principles and characteristics,and the design circuit,and gives the calculation of selected parameters of peripheral devices and some devices calculating production methods. |
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| Keywords: | switching power supply buck topology voltage-controlled pulse width modulation(PWM) |
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