一个假触发增强和面积节省的动力轨紧固件电路,具有高ESD性能
Boyang Ma1, Shupeng Chen1, Shulong Wang1
1Key Laboratory of Wide Band-Gap Semiconductor Materials and Devices of Education, The School of Microelectronics, Xidian University, Xi'an 710071, China.
Micromachines
|June 28, 2023
概括
这项研究引入了一种新型的电源电路,在快速启动事件中增强了对错误触发器的免疫力. 该电路使用独特的电容电压偏差MOSFET,以提供高效的静电放电 (ESD) 保护和显著的面积节省.
科学领域:
- 电气工程 电气工程
- 半导体设备物理 半导体设备物理
背景情况:
- 传统的电源电路在快速启动事件中与错误触发作斗争.
- 现有的准时控制技术往往需要大型被动元件,增加电路面积.
研究的目的:
- 提出一种新的电源电路,在快速启动条件下提高对错误触发器的免疫力.
- 为了实现ESD保护电路的显著面积减少.
- 为了增强静电放电 (ESD) 的能量消耗和电路恢复.
主要方法:
- 一个新的电源电路架构,具有独立的检测和按时控制组件.
- 集成一个电容电压偏差的p通道MOSFET用于按时控制,模拟高电阻.
- 在行业标准的工艺,电压和温度 (PVT) 变化下通过模拟进行验证.
主要成果:
- 实现了对虚假触发器的高免疫力,用于启动事件,具有20 ns的上升边缘.
- 在触发电路中至少节省了70%的面积,在整体电路中节省了30%.
- 展示了更清洁的ESD能量消散,最小的残余电荷和更快地从错误触发器中恢复.
- 在PVT变种中展示了强大的性能和良好的人体模型 (HBM) 耐力.
结论:
- 拟议的电源电路有效地区分ESD和快速启动事件.
- 与传统电路相比,这种新的设计可以大幅节省面积,并改善性能指标.
- 这种电路在集成电路中具有先进的ESD保护应用的巨大潜力.
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