PHYSICAL LAYER #08
Power
54V/48V Busbars, VRM Power Stages & Power Shelves
PHYSICAL BLUEPRINT • LAYER #08 POWER
Key Research Question:
“As rack power surges from 40kW to 120kW+, how do power stage architectures bridge the 48V-to-1V step-down efficiency cliff?”
Rack-Level 1,000A+ Transient Power Delivery & Inductor Saturation
Key Technologies in this Layer
54V DC BusbarGaN/SiC VRMsHigh-Density Power ShelvesBBU Battery Backup