AN 944: Thermal Modeling for Agilex™ 7 FPGAs with the Power and Thermal Calculator

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ID 683810
Date 6/05/2025
Public
Document Table of Contents
Document Table of Contents x
1. List of Abbreviations 2. Introduction 3. Agilex™ 7 FPGA Package Mechanical Design 4. Agilex™ 7 FPGA Thermal Design Parameters 5. Thermal Design Process for Agilex™ 7 Devices 6. Power and Thermal Calculator (PTC) for Agilex™ 7 Devices 7. Example 2—Alternative Method of Analyzing Thermal Design 8. Document Revision History for AN 944: Thermal Modeling for Agilex™ 7 FPGAs with the Power and Thermal Calculator
3. Agilex™ 7 FPGA Package Mechanical Design x
3.1. Agilex™ 7 Physical Package Structure
4. Agilex™ 7 FPGA Thermal Design Parameters x
4.1. Agilex™ 7 Compact Thermal Model (CTM) 4.2. Agilex™ 7 Temperature Sensing 4.3. Thermal Sensor Accuracy
5. Thermal Design Process for Agilex™ 7 Devices x
5.1. Thermal Parameter Dependencies and Accuracy
6. Power and Thermal Calculator (PTC) for Agilex™ 7 Devices x
6.1. Device Selection and Analysis Example 6.2. Logic Design Information 6.3. Thermal Page and Thermal Design Parameters 6.4. CTM Model 6.5. Heat Sink 6.6. CFD Model
7. Example 2—Alternative Method of Analyzing Thermal Design x
7.1. Example 2—Full Length 1 Slot PCIe with 2 FPGAs 7.2. Thermal Design Optimization
1. List of Abbreviations
2. Introduction
3. Agilex™ 7 FPGA Package Mechanical Design
4. Agilex™ 7 FPGA Thermal Design Parameters
5. Thermal Design Process for Agilex™ 7 Devices
6. Power and Thermal Calculator (PTC) for Agilex™ 7 Devices
7. Example 2—Alternative Method of Analyzing Thermal Design
8. Document Revision History for AN 944: Thermal Modeling for Agilex™ 7 FPGAs with the Power and Thermal Calculator

6.4. CTM Model

The compact thermal model (CTM) for the AGFA014R24A Agilex™ 7 FPGA is shown below, with its mechanical parts listed.

The CTMs for Agilex™ 7 devices come with the thermal properties built-in for steady state analysis. However, there is no built-in power, therefore you must enter that from the PTC thermal page calculations.

Figure 10. CTM Model for the AGFA014R24A Device

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