TIDUEX8 September   2020

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
    1. 1.1 Key System Specifications
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Highlighted Products
      1. 2.2.1 TPS23730
      2. 2.2.2 TLV431
    3. 2.3 System Design Theory
      1. 2.3.1 IEEE802.3bt Introduction
  8. 3Hardware, Testing Requirements, and Test Results
    1. 3.1 Required Hardware
      1. 3.1.1 Hardware
    2. 3.2 Testing and Results
      1. 3.2.1 Test Setup
      2. 3.2.2 Test Results
        1. 3.2.2.1 Efficiency
        2. 3.2.2.2 Control Loop Gain/Stability
        3. 3.2.2.3 Load Transient
        4. 3.2.2.4 Input and Output Ripple
        5. 3.2.2.5 Switching Waveforms
        6. 3.2.2.6 Start Up Response
        7. 3.2.2.7 Soft-Stop Response
        8. 3.2.2.8 Output Short Circuit Response
        9. 3.2.2.9 Thermal Performance
  9. 4Design Files
    1. 4.1 Schematics
    2. 4.2 Bill of Materials
    3. 4.3 PCB Layout Recommendations
      1. 4.3.1 Layout Prints
    4. 4.4 Altium Project
    5. 4.5 Gerber Files
    6. 4.6 Assembly Drawings
  10. 5Related Documentation
    1. 5.1 Trademarks
  11. 6Terminology
  12. 7About the Author

3.1.1 Hardware

GUID-57180F3A-D151-47DC-BD8C-A09CB480BF0D-low.jpg Figure 3-1 TIDA-050045 Reference Board (Top)
Table 3-1 Table of Jumpers and Connectors
TYPELABELCONNECTOR/JUMPERDESCRIPTION
InputEthernet PowerJ1Data output after data transformer
Ethernet DataJ2Input connector for PoE
Adaptor InputJ337-V to 57-V adaptor input. J4 jumper must be connected to enable adaptor power delivery
PD ConfigurationAPD DividerJ4Enable to allow adaptor power delivery
PPDJ5Enable to provide lower input voltage turn on*. Range is around 19-V to 32V.
DTHR

J8

Spread Spectrum Frequency Dithering control

EMPSJ9Automatic MPS control
SCDISJ10TPL serial code setting

TPL / TPH / BT Output

J11

TPH / TPL / BT output control

Output

VOUTJ65-V output of design