PMP10520

Xilinx Virtex® UltraScale™ FPGA Multi-Gigabit Transceiver (MGT) Power Solution

PMP10520

Design files

Overview

The PMP10520 reference design provides all the power supply rails (1V/20A, 1.2V/30A, 1.8V/4A) necessary to power the multi-gigabit transcievers (MGT) in Xilinx's Virtex® Ultrascale™  FPGAs.  This design uses a 5V input and has a PMBus interface for current and voltage monitoring, margining, timing delays, and fault monitoring.  It uses both TPS544C20 and TPS544B20 which feature internal current sensing and eliminate the need for an external current sense resistor.  This design also meets Xilinx's low output voltage ripple requirements of the MGT rails.

Features
  • Provides all the power rails needed to power MGT rails in a Xilinx Virtex® Ultrascale™  FPGA
  • Design optimized to support a 5V input
  • Low output voltage ripple < 10mV
  • On board power up and power down sequencing using LM3880
  • POL's include integrated PMBUS interface with output voltage and current reporting
  • MGTAVCC and MGTAVTT have lossless MOSFET current sensing, eliminates need for sense resistor
Output voltage options PMP10520.1 PMP10520.2 PMP10520.3
Vin (Min) (V) 4.5 4.5 4.5
Vin (Max) (V) 5.5 5.5 5.5
Vout (Nom) (V) 1 1.2 1.8
Iout (Max) (A) 20 30 4
Output Power (W) 20 36 7.2
Isolated/Non-Isolated Non-Isolated Non-Isolated Non-Isolated
Input Type DC DC DC
Topology Buck- Integrated Switch^Buck- Synchronous Buck- Integrated Switch^Buck- Synchronous Buck- Synchronous

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.

TIDU647.PDF (344 K)

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

TIDU558.PDF (1144 K)

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

TIDRAP9.PDF (1062 K)

Detailed schematic diagram for design layout and components

TIDRAQ0.PDF (87 K)

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

TIDC644.ZIP (852 K)

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

Products

Includes TI products in the design and potential alternatives.

Buck controllers (external switch)

TPS404003-V to 20-V, 30-A, synchronous buck controller with PMBus™, including Telemetry

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

TPS544B204.5-V to 18-V, 20-A synchronous SWIFT™ buck converter with PMBus programmability and monitoring

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

TPS544C204.5-V to 18-V, 30-A synchronous SWIFT™ buck converter with PMBus programmability and monitoring

Data sheet document-pdfAcrobat PDF open-in-new HTML
Sequencers

LM38803 Rail Simple Power Sequencer with Fixed Time Delay

Data sheet document-pdfAcrobat PDF

Technical documentation

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Type Title Date
Test report PMP10520 Overview Nov. 18, 2014
Test report PMP10520 Test Results Sep. 25, 2014

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