| 一种采用双极工艺设计的过流过压保护电路 |
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| 引用本文： | 易峰,吴旭,郭海平.一种采用双极工艺设计的过流过压保护电路[J].电子与封装,2011,11(2):15-17. |
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| 作者姓名： | 易峰 吴旭 郭海平 |
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| 作者单位： | 中国电子科技集团公司第58研究所;湖南大学微电子与固体电子学; |
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| 摘 要： | 文章提出了一种基于2μm双极型工艺设计的过流过压保护电路,本电路采用一个带迟滞比较器电路结构思想实现其保护功能的,本电路的结构新颖、电路简洁、性能优良.通过Cadence Soectre仿真工具对电路的工作状态进行仿真,结果表明该电路功能良好、敏感度高、便于集成.本过流过压保护电路通常用于集成在DC/DC转换器的控制芯...
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| 关 键 词： | 双极工艺 过流过压保护 DC/DC |
Design of a High Performance Current and Voltage Protection Circuit by Bipolar |
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| YI Feng,WU Xu,GUO Hai-ping.Design of a High Performance Current and Voltage Protection Circuit by Bipolar[J].Electronics & Packaging,2011,11(2):15-17. |
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| Authors: | YI Feng WU Xu GUO Hai-ping |
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| Affiliation: | YI Feng1,WU Xu2,GUO Hai-ping1(1.China Electronics Technology Group Corporation No.58 Research Institute,Wuxi 214035,China,2.Microelectronics and Solid state electronics of Hunan University,Changsha 410082,China) |
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| Abstract: | An over-voltage and over-current protection Circuit using 2μm bipolar process is described.This circuit adopts a Hysteretic comparator structure to realize its protection function.It has a novel structure,simple circuit and a good performance.Cadence spectre simulation shows that the circuit has excellent capability of high sensitivity,facilitate integration.The circuit commonly used in DC/DC converter control chip,providing input and output terminal voltage and current protection for chip,The working voltage of power supply module design for 48V and the over-voltage protection value for 58V around,over-current protection current value for 380 mA,making chip work efficiently. |
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| Keywords: | bipolar over-voltage and over-current protection DC/DC |
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