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12Vin Compact Dual 15A Point-of-load Reference Design with PMBus Using NexFET Power Block
PMP6952
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Key Document

Description

The PMP6952 reference design is a compact dual 15A POL solution with PMBus in 0.75" by 1.075" size (19mm x27.3mm). It showcases NexFET power block CSD87350 in high-density PoL with PMBus capability.  It is easy to configure as dual 15A or single 30A output with resistor options. It is versatile for digital high density high-current power rails (<30A).

Features
  • 8V to 14V in, 3.3V/12A and 1.0V/15A out
  • Peak efficiency 89% at 1Vout, 300kHz
  • Total solution size: 0.75" x 1.075" (19mm x 27.3mm)
  • Option for single 30A
  • PMBus enabled margining and sequencing

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP6952.1
(Output Voltage 1)		PMP6952.2
(Output Voltage 2)
Vin (Min) (V)88
Vin (Max) (V)1414
Vout (Nom) (V)3.31
Iout (Max) (A)1215
Output Power (W)39.615
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyBuck- SynchronousBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD87350Q5D  30V, Nch synchronous buck NexFET MOSFET™, SON5x6 PowerBlock, 40A  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS40422  Dual Output or Multiphase Synchronous Buck Controller with PMBus  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD87350Q5D LSON-CLIP (DQY)| 8 Download Download
TPS40422 Download Download
Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1315 11 Dec 2017
Design files (5)
Title Type Size (KB) Date
ZIP 163 11 Dec 2017
PDF 231 11 Dec 2017
PDF 36 11 Dec 2017
PDF 49 11 Dec 2017
PDF 28 11 Dec 2017

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