| FAIMS系统用高频高压非对称脉冲电源设计 |
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| 引用本文： | 李茂.FAIMS系统用高频高压非对称脉冲电源设计[J].科学技术与工程,2012,12(7):1508-1512. |
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| 作者姓名： | 李茂 |
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| 作者单位： | 1. 电子科技大学空天科学技术研究院,成都,611731
2. 成都安可信电子股份有限公司,成都,610211 |
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| 摘 要： | 据高场非对称波形离子迁移谱(FAIMS)系统对非对称脉冲电源的要求，提出了一种FAIMS系统用高频高压非对称脉冲电源的设计方案。该方案依托于通用的半桥电路，辅之以Atmega16为核心的PWM生成电路、可靠的栅极驱动及高压功率MOSFET动态静态保护电路。该电源输出非对称方波幅值达2kV，当频率为200kHz,功耗仅为90W。测试结果表明该设计方案实际可行，能满足FAIMS检测系统的工作需求，且具有电路结构简单、频率占空比可调、功耗低等特点。
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| 关 键 词： | FAIMS 非对称脉冲 半桥 功率MOSFET |
| 收稿时间： | 2011/11/11 0:00:00 |
| 修稿时间： | 2011/11/29 0:00:00 |
Design of High Frequency High Voltage Asymmetric Pulse Power Supply |
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| li mao.Design of High Frequency High Voltage Asymmetric Pulse Power Supply[J].Science Technology and Engineering,2012,12(7):1508-1512. |
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| Authors: | li mao |
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| Institution: | 2 (Institute of Astronautics and Aeronautics,University of Electronic Science and Technology of China1,Chengdu 611731,P.R.China; Chengdu Action Electronics Joint-Stock Co.,LTD2,Chengdu 610211,P.R.China) |
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| Abstract: | To satisfy the requirements of a high-field asymmetric waveform ion mobility spectrometer (FAIMS), a high frequency high voltage asymmetric pulse power supply for FAIMS systems is designed, including universal half bridge circuit, PWM generation circuit with a core of Atmega16, reliable gate driver circuit and the static and dynamic protection circuit for power MOSFET. The output of the pulse power system is a rectangular asymmetric waveform with voltage pulse amplitude of 2kV. When tested at the frequency of 200 kHz, its power consumption is only 90W. The experimental results showed that the pulse power system is practical in use and also can satisfy the operating requirements of FAIMS systems. Moreover, the designed power supply system has a simple circuit structure, adjustable frequency and duty cycle as well as low power consumption. |
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| Keywords: | FAIMS Asymmetric pulse Half bridge Power MOSFET |
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