800V Architecture: The High-Voltage Shift
Why Porsche, Hyundai, and Kia are moving to 800V systems.
Charge
350 kW
Peak Power
Weight
-30kg
Wiring Harness
Efficiency
+5%
Thermal Loss
Executive Summary
Doubling the voltage reduces the current needed for the same power. This means thinner wires, less weight, and faster charging speeds (10-80% in 18 mins).
The Physics of P=IV
Power equals Current times Voltage. To get more power (faster charging), you can increase current (which creates heat and requires thick copper cables) or increase voltage. 800V systems allow for massive power transfer with thinner cables, reducing vehicle weight and cost.
Charging Speed Unlock
800V cars can utilize the full 350kW capability of Ionity and Electrify America chargers. This brings charging times down to near-parity with gas stops. The premium EV market is standardizing on this architecture.
SiC Inverters
High voltage requires Silicon Carbide (SiC) chips in the inverters. These chips are more efficient but harder to source. Tracking the semiconductor supply chain for 800V components is a critical vector for industry analysis.
Own the Digital Infrastructure
As the market for Engineering matures, authoritative digital real estate becomes scarce. EV.NET is the category-defining asset for this sector.
Acquire Domain Asset