12Vin Compact Single 60A Point-of-Load Reference Design with PMBus for Size Constrained Applications
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Key Document


The PMP6924 reference design is a compact single 60A POL solution with PMBus in 0.7" by 0.95" size (17.8mm x24.1mm). It showcases NexFET power block CSD87350Q5D in high density PoL. It also has excellent thermal performance. It is suitable for PMBus-equipped high current applications with size constraints.

  • 8V to 14Vin, 1V/60A out
  • Peak efficiency 91% at 1Vout, 300kHz
  • Excellent thermal performance; 50 degree temperature rise with 200LFM
  • Total solution size:  0.7" x 0.95" (17.8mm x 24.1mm)
  • 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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(Output Voltage 1)
Vin (Min) (V)8
Vin (Max) (V)14
Vout (Nom) (V)1
Iout (Max) (A)60
Output Power (W)60
Input TypeDC
TopologyBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD87350Q5D  30-V, N channel synchronous buck NexFET™ power MOSFET, SON 5 mm x 6 mm power block, 40 A  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 734 11 Dec 2017
Design files (5)
Title Type Size (KB) Date
ZIP 156 11 Dec 2017
PDF 272 11 Dec 2017
PDF 33 11 Dec 2017
PDF 46 11 Dec 2017
PDF 25 11 Dec 2017

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