Power Distribution Network Design Guidelines: Agilex™ 5 FPGAs and SoCs

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ID 813963
Date 7/08/2024
Public
Document Table of Contents
Document Table of Contents x
1. Agilex™ 5 Power Distribution Network Design Guidelines Overview 2. Power Delivery Overview 3. Board Power Delivery Network Recommendations 4. Board LC Recommended Filters for Noise Reduction in Combined Power Delivery Rails 5. PCB PDN Design Guideline for Unused GTS Transceiver 6. PCB Voltage Regulator Recommendation for PCB Power Rails 7. Board Power Delivery Network Simulations 8. Agilex™ 5 Device Family PDN Design Summary 9. Document Revision History for the Power Distribution Network Design Guidelines: Agilex™ 5 FPGAs and SoCs
1. Agilex™ 5 Power Distribution Network Design Guidelines Overview x
1.1. Device Guidelines Status for Agilex™ 5 Devices
2. Power Delivery Overview x
2.1. Power Architecture 2.2. Rail Merger Requirements 2.3. Power Rails Specification 2.4. Decoupling Capacitors Recommendation
2.1. Power Architecture x
2.1.1. Power Budget 2.1.2. Power Tree
2.1.2. Power Tree x
2.1.2.1. Recommended Power Tree for the Agilex™ 5 E-Series and D-Series Devices with SmartVID and GTS Transceiver in the Device Packages 2.1.2.2. Recommended Power Tree for the Agilex™ 5 E-Series and D-Series Devices with Non-SmartVID and GTS Transceiver in the Device Packages
2.3. Power Rails Specification x
2.3.1. Power Nets 2.3.2. Power Rails Tolerance 2.3.3. Power Nets and Transient Specifications
2.3.1. Power Nets x
2.3.1.1. Agilex™ 5 Package Power Nets and Subsystems Details
2.4. Decoupling Capacitors Recommendation x
2.4.1. Agilex™ 5 FPGA Packages Board-Level Decoupling Capacitors Summary 2.4.2. Agilex™ 5 GTS Transceiver Board-Level Decoupling Capacitors Summary
3. Board Power Delivery Network Recommendations x
3.1. Board Decoupling Capacitors Guide 3.2. FPGA Core Fabric VCC Voltage Regulator Selection 3.3. Remote Sense Connections 3.4. Load Line Requirements 3.5. VCC Core Board Current Slew Rate
4. Board LC Recommended Filters for Noise Reduction in Combined Power Delivery Rails x
4.1. GTS Transceiver Rail Board Connection and LC Filter Recommendation under Noisy Voltage Regulator
5. PCB PDN Design Guideline for Unused GTS Transceiver x
5.1. PDN Design Guideline for Unused GTS Transceiver
1. Agilex™ 5 Power Distribution Network Design Guidelines Overview
2. Power Delivery Overview
3. Board Power Delivery Network Recommendations
4. Board LC Recommended Filters for Noise Reduction in Combined Power Delivery Rails
5. PCB PDN Design Guideline for Unused GTS Transceiver
6. PCB Voltage Regulator Recommendation for PCB Power Rails
7. Board Power Delivery Network Simulations
8. Agilex™ 5 Device Family PDN Design Summary
9. Document Revision History for the Power Distribution Network Design Guidelines: Agilex™ 5 FPGAs and SoCs

2.2. Rail Merger Requirements

IP voltage rails of same nominal values within the same sequencing group can be merged assuming that the power delivery network to each package balls for each IP is designed with care to meet the tolerance specifications of that IP. Therefore, proper analysis or simulations should be done to ensure voltage drop and cross regulations are under control.

As many power rails are merged on the motherboard, the requirement for an LC filter is necessary to ensure systems functionality especially for rail connections to sensitive circuits such as the phase-locked loop (PLL) and clock. Altera recommends you to follow the LC filter requirements.

For more information about the rail merger requirements, refer to the Pin Connection Guidelines: Agilex™ 5 FPGAs and SoCs.

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