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

2.2 Design Considerations

In certain applications, these FPGAs are used on VPX cards which have a limited amount of space in all three dimensions. The layout of the design must fit within the 100-mm × 100-mm space of VPX cards. The Z axis is another constraint, with both passive component and ICs needing to be less than < 5 mm. This allows additional room for heat sinks and better cooling for VPX cards that are already slotted very closely with each other. Furthermore, this design needs to have flexibility in the rail assignment and sequence to match up to a wide variety of Intel and Xilinx power supplies.