TIDT409 September   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
    5. 2.5 EMI
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple

Description

This reference design is a 60W automotive charger for dual USB Type-C® power delivery (PD) with 45W maximum power per port. The TPS25772-Q1 is used as a dual USB Type-C PD controller with a buck-boost regulator. The TPS55289-Q1 is used as a buck-boost regulator for another port.

The board maximum efficiency is 95.3%. The board is compliant with the stringent CISPR 25 Class 5 conducted and radiated electromagnetic interference (EMI). The board has a compact form factor of 45mm by 45mm.