Complete PMBus Power System for Enterprise Ethernet Switches Reference Design
PMP10896
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Description

Complete PMBus power system for 3 ASIC/FPGA cores, DDR3 core memory, and auxiliary voltages found on high-performance Ethernet Switches.

Features
  • 12V / 300W system power solution with eight point-of-load buck converters
  • PMBus communication configures hot-swap, SWIFT buck converters, multiphase PWM controller
  • High-density power conversion utilizing Inductor On Top of IC layouts
  • Voltage margining through PWM, PMBus and AVS bus
  • UCD90240 GPIs allow for event-based power supply control

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 PMP10896.1
(Output Voltage 1)
Vin (Min) (V)10.8
Vin (Max) (V)13.2
Vout (Nom) (V)1
Iout (Max) (A)60
Output Power (W)60
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Multiphase
Designed forFPGA
ASIC

TI Devices (10)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17570Q5B  30V, N ch NexFET MOSFET™, single SON5x6, 0.92mOhm  MOSFETs  Sample & Buy Not Available
LM25066A  System Power Management and Protection IC with PMBus  Power switches  Sample & Buy Not Available
TPS40428  Dual Output, 2-Phase, Stackable PMBus Synchronous Buck Driverless Controller  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS53319  1.5V to 22V Input (4.5V to 25V Bias), 14A Synchronous Step-Down Converter with Eco-Mode™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS53355  1.5V to 15V Input (4.5V to 25V Bias), 30A Synch Step-Down SWIFT™ Converter w/ Eco-mode™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS53513  1.5V to 18V Input (4.5V to 25V Bias), 8-A Synchronous Step-Down SWIFT™ Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS53515  1.5V to 18V Input (4.5V to 25V Bias), 12-A Synchronous Step-Down SWIFT™ Converter  Step-down (buck)  Sample & Buy View 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
TPS62153  3–17V 1A Step-Down Converter in 3x3 QFN package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
UCD90240  24-Rail PMBus Power Sequencer and Power Manager  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17570Q5B VSON-CLIP (DNK)| 8 Download
LM25066A Download Download
TPS40428 Download Download
TPS53319 Download Download
TPS53355 Download Download
TPS53513 Download Download
TPS53515 Download Download
TPS544C25 Download Download
TPS62153 Download Download
UCD90240 Download Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 6590 10 Mar 2015
Design files (5)
Title Type Size (KB) Date
ZIP 2171 10 Mar 2015
PDF 13168 10 Mar 2015
PDF 896 10 Mar 2015
PDF 195 10 Mar 2015
PDF 755 10 Mar 2015

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