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Complete PMBus power system reference design for enterprise Ethernet switches

PMP10896

 
Overview

The complete PMBus power system can power 3 ASIC/FPGA cores, DDR3 core memory, and provide auxiliary voltage for high-performance Ethernet switches.

characteristic
  • ● 12V/300W system power supply solution using eight-point-of-load buck converter
  • ●PMBus communication can configure hot-swappable SWIFT buck converter and multi-phase PWM controller
  • ● Utilize IC top inductor layout for high-density power conversion
  • ● Voltage margining via PWM, PMBus and AVS buses
  • ● Event-based power control via UCD90240 GPI

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