5G macro / micro-cell power supplies

Data demands are constantly rising and for the next generation of Edge cloud computing, IoT devices, Intelligent Transport Systems and of course live streaming of high-definition AR / VR video, 5G infrastructure will be vital. It takes us from the existing classical network structure to a Software Defined Network, requiring the smallest, most efficient power supplies for macro (10–20 KW) and micro (500 W to 2 KW) cells that will to keep us all connected 24/7.

Block diagrams

Highlighted components are Nexperia focus products

Design considerations

  • AC/DC Totem pole and LLC HV DC/DC topologies 
  • Parallel system
  • Higher efficiency
  • Improved robustness and increased power density
  • Smaller form factor and increased miniaturization
  • Simplified gate drive requirements
  • Reduced BoM and smaller magnetics
  • Higher operating frequency

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