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Framing the Shift to 48V
Vasanth Sista Field Application Engineer
TE Connectivity, Automotive
The move from traditional 12V electrical systems to 48V architectures is reshaping the way vehicles are built, powered, and driven. More than this, it is widely seen as the key to unlocking the vision for next generation mobility. As vehicles, especially electrified platforms, grow more complex, the old wiring strategies that once kept cars running effi - ciently are reaching their limits. More sensors, au- tomated steering, and advanced driver-assistance systems, to name a few, demand higher power while keeping weight down. In this context, a 48V system is more than a tech- nical upgrade. It is increasingly recognized as a practical bridge to platforms of the future. Providing the foundation for smarter and more efficient vehi - cles, the transition to 48V can deliver many of the benefits associated with high-voltage electrification while reducing safety risks, costs, and complexity.
From domain to zonal architecture
Cars are increasingly evolving into sophisticated networks of electronics—essentially, supercharged, driveable smartphones. Legacy domain-based electrical architectures are like a spider’s web, with electronic control units (ECUs) spread throughout the vehicle. Each time a new feature is added, whether it’s a camera, a headlamp, or a steering sensor, more wires reach across the car, increasing complexity and weight. Manufacturing becomes more difficult and efficiency suffers.
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