Short Circuit and Avalanche Effects in 12V Power Distribution for Automated Driving

被引：3

作者：

Schumi, Stefan ^{[1
]}

Schipperges, Fabian ^{[2
]}

机构：

[1] Infineon Technol AG, Automot Syst Engn, D-85579 Neubiberg, Germany

[2] Dr Ingn Hc F Porsche AG, Dept Elektromobilitat, D-71287 Weissach, Germany

来源：

2019 IEEE INTERNATIONAL CONFERENCE ON MECHATRONICS (ICM) | 2019年

关键词：

fail-operational power distribution; avalanche effect; SPICE simulation;

D O I：

10.1109/icmech.2019.8722917

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For the legal deployment of automated vehicles the power distribution within is a key topic. This system has to be fail-operational in case of faults to reach the safe state according to the standard. Switching off loads and short circuits is driving the required switches into avalanche. Exceeding the avalanche energy destroys the device and the system might change into an unsafe state. Through creating a fail-operational power distribution, electric parameters are changing and not all effects are visible immediately. This paper shows results of the SPICE simulation under worst case conditions to analyze specific electric influences within a fail-operational power distribution. Furthermore, not all devices which are expected to go into avalanche are driven into avalanche.

引用

页码：570 / 575

页数：6

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