PMP11328

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

PMP11328

Design files

Overview

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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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUAU9.PDF (837 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRI14.PDF (119 K)

Detailed schematic diagram for design layout and components

TIDRI15.PDF (109 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRI16.PDF (97 K)

Detailed overview of design layout for component placement

TIDCB67.ZIP (437 K)

Design file that contains information on physical board layer of design PCB

TIDRI17.PDF (536 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

TPS544C254.5-V to 18-V, 30-A synchronous SWIFT™ buck converter with PMBus and frequency sync

Data sheet: PDF | HTML

Technical documentation

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* Test report PMP11328 Test Results Oct. 05, 2015

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