Comparative Study of 48V-based Low-Power Automotive Architectures

被引：5

作者：

Cabizza, Stefano ^{[1
]}

Corradini, Luca ^{[1
]}

Spiazzi, Giorgio ^{[1
]}

Garbossa, Cristian ^{[2
]}

机构：

[1] Univ Padua, Dept Informat Engn, Padua, Italy

[2] Infineon Technol Italia Srl, Padua, Italy

来源：

2020 IEEE 21ST WORKSHOP ON CONTROL AND MODELING FOR POWER ELECTRONICS (COMPEL) | 2020年

关键词：

D O I：

10.1109/compel49091.2020.9265730

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper describes a comparative analysis of low-power 48V-based automotive power distribution subnets in terms of efficiency, total footprint area, and cost. A novel methodology for the enumeration of tree-based power architectures is first disclosed which strongly limits the number of valid candidates. Next, architectural solutions based on the use of Buck converters only are compared with variants employing dedicated topologies for high step-down (HSD) conversion (e.g. 48V-1V), as well as fixed conversion ratio stages based on switched-capacitor (SC) converters. Use of efficient HSD and SC stages leads to more efficient architectures, although in general still not costcompetitive with traditional ones due to the absence of highly integrated commercial solutions. The discussion is developed around a specific case study treated numerically on the basis of data extracted from commercially-available examples.

引用

页码：852 / 859

页数：8

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