Use of ESD Protection Devices in Automotive Simulations

This whitepaper discusses the application of ESD protection devices within a simulation environment, focusing on their relevance to electronic engineering in automotive applications. The document outlines the necessity for enhanced connectivity and data transmission in vehicles, driven by the growing demand for high-speed data links such as USB and HDMI. It details the simulation setup, which includes a four-layer PCB model and the implementation of ESD protection devices as full 3D models. The paper emphasizes the importance of signal integrity, electromagnetic compatibility, and electrostatic discharge robustness in modern in-vehicle networks. The findings from the simulations are presented, highlighting the performance of microstrip lines, DC capacitors, and ESD protection devices. The results indicate the impact of ESD devices on the impedance and bandwidth of the system, demonstrating the advantages of modeling these components accurately for high-speed interfaces. The document serves as a technical resource for engineers involved in automotive electronic design.