Automotive Input Dual Port USB Type C Charger Reference Design
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Key Document


PMP11114 is a dual port USB Type C Charger. This design takes an automotive input voltage (7V to 18V nominal, load dump to 40V).  The output goes to two USB Type ports, each of these ports supplies 5V.  The desgin supports 3A on one port and 1.5A on the other port.  The DC/DC portion of the design is rated for 5A total current.  The design is fully compliant with USB type C and backwards compliant with BC1.2 and DCP configurations.

  • USB Type C compliant
  • Efficiency is greater than 90% after USB switches
  • Max component temp is 55C with full load
  • Compact board size (50mm x 55mm)
  • Power path sharing to limit port current

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(Output Voltage 1)
(Output Voltage 2)
Vin (Min) (V)77
Vin (Max) (V)4040
Vout (Nom) (V)55
Iout (Max) (A)31.5
Output Power (W)157.5
Input TypeDCDC
TopologyBuck- SynchronousBuck- Synchronous

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM25117  4.5-42V Wide Vin, Current Mode Synchronous Buck Controller with Tracking  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
TPS2514A  USB dedicated charging port controller - Gen 2  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS25810  USB Type-C™ source controller and 3A power switch with VCONN  USB ICs  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM25117 Download Download
TPS2514A Download
TPS25810 Download -

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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 2425 24 Sep 2015
Design files (4)
Title Type Size (KB) Date
ZIP 369 24 Sep 2015
PDF 161 24 Sep 2015
PDF 130 24 Sep 2015
PDF 158 09 Sep 2015

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