TIDUDT0 September   2022

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
    1. 1.1 Key System Specification
      1. 1.1.1 Intel® Stratix® 10 Power Tree Example
      2. 1.1.2 Intel® Agilex™ Power Tree Example
      3. 1.1.3 Xilinx Versal™ Power Tree Example
      4. 1.1.4 Xilinx Virtex-7® Power Tree Example
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 TPS53688
      2. 2.3.2 TPS650861
      3. 2.3.3 TPSM5D1806
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
      1. 3.2.1 TPS53688 Programming Setup
      2. 3.2.2 TPS53688 Transient Test Setup
      3. 3.2.3 TPS650861 Programming Setup
      4. 3.2.4 TPS650861 and TPSM5D1806 Transient Test Setup
    3. 3.3 Test Results
      1. 3.3.1 Efficiency Results
      2. 3.3.2 Transient Results
        1. 3.3.2.1 TPS53688 Transient Results
        2. 3.3.2.2 TPS650861 Transient Results
        3. 3.3.2.3 TPSM5D1806 Transient Results
  9. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools and Software
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks
  10. 5About the Author

3.2.2 TPS53688 Transient Test Setup

Figure 3-2 TPS53688 Transient Test Setup

To test the transient performance of the TPS53688, the following equipment is needed to test both phase A and phase B:

  • Power supply capable of high current to test the full capability of the 180 A on phase A of the TPS53688 and the 60 A on phase B
  • Electronic load set the current levels of the transient
  • Function generator to provide the switching waveform to the onboard load transient circuit
  • Oscilloscope to measure the load step and probe the voltage across the output capacitor to measure the transient performance. Voltage measurements across the output capacitor can be take directly from J11 (for phase A) and J12 (for phase B).