USB2多路复用器/BC1.2电源开关/充电模块的电气特性,用于精确的通道仿真

Tan Wei Jern, Tiang Bih Qui
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引用次数: 1

摘要

本文提出了一种用于USB2接口的多路复用器(mux)、电源开关和充电模块建模的新方法。所提出的方法在时域和频域上都能快速准确地表示,与仿真和后测结果非常接近。这将在两种表征方法中得到证明;时域信道响应和频域s参数响应。所提出的方法还可以在不同的拓扑结构、工艺拐角和电压水平上产生准确的相关结果。随后,该方法寻求允许在实验设计(DOE)环境中使用这些离散器件建模的灵活性。最终,由于硅前模拟和硅后验证数据之间的相关性和置信度增加,缩短了设计周期,从而节省了时间。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electrical characterization of USB2 multiplexers/BC1.2 power switches/charging modules for accurate channel simulation
This paper presents a new methodology of modeling multiplexers (MUXs), power switches and charging modules used in the USB2 interfaces. The proposed method yields a quick and accurate representation in both the time and frequency domains which closely matches the results obtained in both simulation and post-silicon measurement. This will be proven in 2 characterization methods; a time-domain channel response and a frequency domain s-parameter response. The proposed method also produces accurate correlation results across varying topologies, process corners and voltage levels. Subsequently, the method seeks to allow the flexibility of modeling these discrete devices to be used in a Design-of-Experiment (DOE) environment. Ultimately, this translates into a time saving benefit as shorter design cycle times are enabled due to the increased correlation and confidence between pre-silicon simulation and post-silicon validation data.
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