0.9V/10A PMBus POL Power Reference Design
PMP20084
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Description & Features

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Key Document

Description

This reference design is a 3.3Vin to 0.9V @ 10A power supply in a small form-factor, cost-effective design. It uses the TPS40400 controller in conjunction with the CSD87381P (a high and low side FET IC). The TPS40400 features full PMBUS telemetry for enhanced monitoring and control. The PMP20084 board is a 4-layer, 2-oz copper weight per layer board.

Features
  • 3.3v input to 0.9V/10A output
  • 2inch x 2inch. 2oz, 4-layer. 0.835 in2 on a two sided PCB
  • 400KHz PMBus switching regulators for 10A low voltage rail
  • Supported by TI’s Fusion GUI Digital Power Designer
  • 100% green PMBus power solution for 0.9V/10A ASIC/FPGA core rail

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP20084.1
(Output Voltage 1)
Vin (Min) (V)3.3
Vin (Max) (V)3.6
Vout (Nom) (V).9
Iout (Max) (A)10
Output Power (W)9
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD87381P  30V, Nch synchronous buck NexFET MOSFET™, 3x2.5 LGA, 15A  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS40400  3.0V - 20V, 30A, Synchronous Buck Controller with PMBus™, including Telemetry  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD87381P Download
TPS40400 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 458 30 May 2017
Design files (6)
Title Type Size (KB) Date
ZIP 474 30 May 2017
ZIP 5129 30 May 2017
PDF 628 30 May 2017
PDF 69 30 May 2017
PDF 55 30 May 2017
PDF 111 30 May 2017
Related Tools & Software

Software development (1)

Name Part Number Software Type
Digital Power Software  FUSION_DIGITAL_POWER_DESIGNER  Application software & framework 


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