| 基于TVS的电子设备ESD保护方法研究 |
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| 引用本文： | 吴 斌,陶 卫,赵 阳,马宝萍,李世锦.基于TVS的电子设备ESD保护方法研究[J].南京师范大学学报,2017,0(2). |
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| 作者姓名： | 吴 斌 陶 卫 赵 阳 马宝萍 李世锦 |
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| 作者单位： | 南京师范大学电气与自动化工程学院,江苏 南京 210042 |
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| 摘 要： | 针对静电放电(electrostatic discharge,ESD)脉冲电流对电子设备内部芯片造成破坏,本文采用瞬态二极管(transient voltage suppressor,TVS)作为ESD抑制器件,分析了TVS的防护机理,考虑到高频情况下寄生参数的存在,建立了ESD保护电路模型. 通过比较TVS抑制前后的负载两端的电压波形,研究其抑制性. 最后通过实验验证了TVS的防护效果.
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| 关 键 词： | 静电放电 瞬态抑制二极管 静电放电保护 寄生参数 |
Research on Electrostatic Discharge Protection Method ofElectronic Equipment Based on the TVS |
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| Wu Bin,Tao Wei,Zhao Yang,Ma Baoping,Li Shijin.Research on Electrostatic Discharge Protection Method ofElectronic Equipment Based on the TVS[J].Journal of Nanjing Nor Univ: Eng and Technol,2017,0(2). |
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| Authors: | Wu Bin Tao Wei Zhao Yang Ma Baoping Li Shijin |
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| Affiliation: | School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210042,China |
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| Abstract: | Aiming at the electrostatic discharge(ESD)pulse current undermining the internal chip of the electronic device,in the paper,transient voltage suppressor has been used as electrostatic discharge suppression device,the protection mechanism of TVS has been analyzed. The circuit model for the ESD protection is proposed under considering the existence of parasitic parameters in high frequency. The suppression of TVS is studied by comparing the voltage waveforms of the load before and after using TVS. Finally,the protection effect is verified by an experiment. |
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| Keywords: | electrostatic discharge TVS electrostatic discharge protection parasitic parameters |
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