SNVU946 March   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Device Information
  7. 2Hardware
    1. 2.1 Best Practices
  8. 3Implementation Results
    1. 3.1 Evaluation Setup
    2. 3.2 Performance Data and Results
  9. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  10. 5Compliance Information
    1. 5.1 Compliance and Certifications
  11. 6Additional Information
    1. 6.1 Trademarks
  12. 7References

3.2 Performance Data and Results

TPS7H4104EVM Phase/Switching Nodes Figure 3-1 Phase/Switching Nodes

Phase pins of TPS7H4104EVM with each output loaded with 3A.

TPS7H4104EVM Loaded Start-Up Figure 3-2 Loaded Start-Up

Each output loaded with 3A

TPS7H4104EVM Start-Up Without Load Figure 3-3 Start-Up Without Load

Each phase started up without load.

TPS7H4104EVM Voltage Ripple Figure 3-4 Voltage Ripple

Voltage ripple plot created with 3A on the output of each phase.

TPS7H4104EVM Frequency Response of PH1 Figure 3-5 Frequency Response of PH1

Crossover frequency measured to be 22.5kHz with 61.4 degrees of phase margin.

TPS7H4104EVM Frequency Response of PH2 Figure 3-6 Frequency Response of PH2

Crossover frequency measured to be 24.5kHz with 63.3 degrees of phase margin.

TPS7H4104EVM Frequency Response of PH3 Figure 3-7 Frequency Response of PH3

Crossover frequency measured to be 23.9kHz with 68.2 degrees of phase margin.

TPS7H4104EVM Frequency Response of PH4 Figure 3-8 Frequency Response of PH4

Crossover frequency measured to be 23.0kHz with 61.5 degrees of phase margin.

TPS7H4104EVM VOUT1 Positive Transient Performance Figure 3-9 VOUT1 Positive Transient Performance

VOUT1 change to positive 3A transient.

TPS7H4104EVM VOUT1 Negative Transient Performance Figure 3-10 VOUT1 Negative Transient Performance

VOUT1 change to negative 3A transient.

TPS7H4104EVM VOUT2 Positive Transient Performance Figure 3-11 VOUT2 Positive Transient Performance

VOUT2 change to positive 3A transient.

TPS7H4104EVM VOUT2 Negative Transient Performance Figure 3-12 VOUT2 Negative Transient Performance

VOUT2 change to negative 3A transient.

TPS7H4104EVM VOUT3 Positive Transient Performance Figure 3-13 VOUT3 Positive Transient Performance

VOUT3 change to positive 3A transient.

TPS7H4104EVM VOUT3 Negative Transient Performance Figure 3-14 VOUT3 Negative Transient Performance

VOUT3 change to negative 3A transient.

TPS7H4104EVM VOUT4 Negative Transient Performance Figure 3-15 VOUT4 Negative Transient Performance

VOUT4 change to negative 3A transient.