30A PMBus Reference Design for Xilinx Zynq Ultrascale+ ZU9EG MPSoC Core Rail for Base Stations
PMP11328
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Key Document

Description

The PMP11328 is a high power density 30A PMBus power supply meeting the Xilinx Ultrascale+ ZU9EG FPGA core rail power specifications for Base Station Remote Radio Unit (RRU) applications. The power supply regulates 0.85V for the core rail at 25A in 55mm x 40mm total power supply PCB area. PMBus capability enables easy programming, and custom configuration of the power supply through on-board Non-Volatile Memory (NVM), as well easy Adaptive Voltage Scaling (AVS), and Voltage Margining. The power supply also enables monitoring of the output voltage, current, and external hot spot temperature through PMBus. Overall ±3% tolerance is met while efficiency is >82%.

Features
  • 12V input, 0.85V/25A PoL  in 40mm x 55mm PCB area
  • High efficiency >82% at 0.85V/25A, 500kHz
  • Adaptive Voltage Scaling (AVS), Voltage Margining, and Output Voltage/Current/Temperature monitoring through PMBus and TI's Fusion GUI
  • 4W Power Loss at 12VIN, 0.85V/25A
  • 12mV overshoot/undershoot during a 8A load transient at 10A/µs
  • ±3% total load regulation (AC and DC)

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS544C25  4.5-V to 18-V, 30-A Voltage Mode PMBus™ SWIFT™ Step-Down DC-DC Converter with FSYNC  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS544C25 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 779 05 Oct 2015
Design files (5)
Title Type Size (KB) Date
ZIP 437 05 Oct 2015
PDF 536 05 Oct 2015
PDF 97 05 Oct 2015
PDF 109 05 Oct 2015
PDF 119 05 Oct 2015

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