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1.2.2.1.1. Device Selection Section
1.2.2.1.2. Power Rail Data and Configuration Section
1.2.2.1.3. Meeting Target Impedance when Entering 0 A into the PDN Tool
1.2.2.1.4. Dealing with Multiple Shared Power Supply Pin Types
1.2.2.1.5. VRM Data Section
1.2.2.1.6. Rail Group Summary Section
1.2.2.1.7. VRM Impedance Section
1.2.2.1.8. BGA Via Section
1.2.2.1.9. Plane Section
1.2.2.1.10. Spreading Section
1.2.2.1.11. Implementing Split Planes
1.2.2.1.12. FEFFECTIVE Section
1.2.2.1.13. Decoupling Section
1.2.2.1.14. Results Summary Section
1.2.2.1.15. Recommended Flow for Deriving Decoupling for an FPGA System using the System_Decap Tab
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1.2.2. Major Tabs of the PDN Tool 2.0
The tabs at the bottom of the PDN tool 2.0 application help you calculate your impedance profile.
Tab | Description |
---|---|
Release_Notes | Provides legal disclaimers, the revision history of the tool, and the user agreement. |
Introduction |
Displays the schematic representation of the circuit that is modeled as part of the PDN tool 2.0. It also provides the following related information:
|
System_Decap | The principal tab that allows you to decouple your system. It displays by default when you launch the application. This tab provides an interface to enter your power sharing scheme for a selected FPGA device and derive the decoupling based on the input. |
Stackup | Provides an interface to enter your stackup information into the PDN tool. |
Library | Points to various libraries (capacitor, dielectric materials, and so on) that are called by other tabs. You can change the default values listed as part of these libraries. |
BGA_Via | Provides an interface to calculate the BGA mounting inductance based on design-specific via parameters and the number of vias. |
Plane_Cap | Provides an interface to calculate the plane capacitance based on design-specific parameters. |
Cap_Mount | Provides an interface to input design-specific parameters for calculating the capacitor mounting inductance for two different capacitor orientations (Via on Side [VOS] and Via on End [VOE]). |
X2Y_Mount | Provides an interface to input design-specific parameters for calculating the capacitor mounting inductance for X2Y type capacitors. |
Enlarged_Graph | Provides an enlarged view of the Z-profile shown in the System_Decap tab. |