SLYY243 February   2025

 

  1.   1
  2.   Overview
  3.   At a glance
  4.   Introduction
  5.   48V in MHEVs vs. BEVs
  6.   Reducing the wire harness
  7.   48V architectures
  8.   48V design challenges
  9.   Conclusion
In this paper, we discuss the growing interest in 48V low-voltage rail systems for electric and hybrid vehicles and how engineers can use them to reduce wire harness size and cost while enabling new features.

At a glance

1 48V in MHEVs vs. BEVs
Learn about the evolution of 48V systems in MHEV and BEVs.
2 Reducing the wire harness
Read how 48V systems with zone architecture can reduce wire harness complexity and costs.
3 48V architectures
Discover the different 48V system design approaches for optimizing wire harness design and costs.
4 48V design challenges
Explore key design challenges when adopting 48V systems, including transient voltages, creepage/clearance requirements, EMC standards, and IC costs.