36W USB Dual Port USB Type-C™ PD Reference Design with Port Power Management DC/DC Charger
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Key Document


The PMP20172 reference design provides up to 36W on two USB Type-C outputs.  Input is a 17VDC bus.  The two outputs implement port power management.  If only one port is in use, it is allocated the full 36W.  If both ports are in use, power is split into 18W on each port.  Output voltages of 5V, 9V, or 15V are supported. The PMP20172 has been certified as a power brick by the USB-IF (Product Test ID: 1020023).

  • Very high efficiency, over 98% with 15V output
  • Intelligent power sharing
  • Compact design, 38mm x 38mm (1.5" x 1.5")
  • Low profile, 5mm (0.2")

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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)16.5
Vin (Max) (V)18
Vout (Nom) (V)15
Iout (Max) (A)2.4
Output Power (W)36
Input TypeDC
TopologyBuck- Synchronous

TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17575Q3  30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 3.2 mOhm  MOSFETs  Sample & Buy Not Available
CSD87333Q3D  30-V, N channel synchronous buck NexFET™ power MOSFET, SON 3 mm x 3 mm power block, 15 A  MOSFETs  Sample & Buy Not Available
TPS25740A  TPS25740A USB Type-C™ Rev 1.2 and USB PD 2.0 Source Controller (5V/9V/15V)  USB ICs  Not Available View Design Kits & Evaluation Modules
TPS40303  3-V to 20-V, 25-A, 300-kHz synchronous buck controller with FSS  Step-down (buck) regulators  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17575Q3 VSON-CLIP (DQG)| 8 Download Download
CSD87333Q3D VSON-CLIP (DPB)| 8 Download
TPS25740A Download Download
TPS40303 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 4732 09 Feb 2017
Design files (6)
Title Type Size (KB) Date
ZIP 650 09 Feb 2017
ZIP 685 09 Feb 2017
PDF 1763 09 Feb 2017
PDF 116 09 Feb 2017
PDF 70 09 Feb 2017
PDF 497 09 Feb 2017

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