TPS25740A Evaluation Module


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The TPS25740A evaluation module (TPS25740AEVM-741) contains evaluation and reference circuitry for the TPS25740A, which is a dedicated USB PD type C downstream facing port (DFP) controller.  TPS25740A relies on an upstream converter to output 5V, 9V, and 15V.  This EVM uses an LM5175 based buck boost converter as the power supply for TPS25740A. The TPS25740A portion of the circuit will be very similar in an adapter application where an AC/DC input power stage is used.

  • Built in IEC 61000-4-2 Protection on CC1 and CC2 pins
  • Type C PD communication protocol via CC1 and CC2 pins
  • Variable output voltage of 5V, 9V, and 15V depending on request
  • Up to 5A output current for all voltage levels. Default is 3A
  • Smooth transitions between 5V, 9V, and 15V that are compatible with USB PD specification
USB Type-C & USB Power Delivery ICs
TPS25740A TPS25740A USB Type-C™ Rev 1.2 and USB PD 2.0 Source Controller (5V/9V/15V)


Buck-boost & inverting controllers (external switch)
LM5175 42V Wide Vin 4-Switch Synchronous Buck-Boost Controller


N-channel MOSFETs
CSD17578Q3A 30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 9.4 mOhm

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Evaluation board

TPS25740AEVM-741 — TPS25740A Evaluation Module for AC Adapters

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Technical documentation

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Type Title Date
* EVM User's guide TPS25740EVM-741 and TPS25740AEVM-741 EVM User's Guide (Rev. A) Sep. 21, 2016
Certificate TPS25740AEVM-741 EU Declaration of Conformity (DoC) Jan. 02, 2019

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