48V技术在未来汽车Zonal架构中的应用分析

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中图分类号：U463.6 文献标识码：A 文章编号：1003-8639（2026）02-0001-03

【Abstract】This paper summarizes the current electric distribution mode based on 12V in Electric Vehicle （EV） and Hybrid Electric Vehicle （HEV） Zonal architecture，and analyzes the advantages and disadvantages of the 12V system. Then，theevolutionofdistributionmodeof48VbasedpowersysteminZonalarchitecture isanalyzed，includingtheaspects of DC-DC conversion eficiencyandcost，eFuse andharnessusearecomprehensivelyanalyzed，andtheadvantagesof 48V system and the challenges faced by future applications are summarized.

【Key words】 electronic and electrical architecture； BEV；ZCU;DC/DC

0 引言

自1960年以来，乘用车一直采用12V作为标准供电系统。（剩余3749字）