... | @@ -22,8 +22,10 @@ Please attach a txt or add your comments directly |
... | @@ -22,8 +22,10 @@ Please attach a txt or add your comments directly |
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**/!\ Power planes**
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**/!\ Power planes**
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- [Report of VCCINT PDN analysis at 10A]([DC_2023-05-26_23.50.zip](uploads/db5df118a2f511d0760007952a7bd992/DC_2023-05-26_23.50.zip)) shows issues
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- [Report of VCCINT PDN analysis at 10A]([DC_2023-05-26_23.50.zip](uploads/db5df118a2f511d0760007952a7bd992/DC_2023-05-26_23.50.zip)) shows issues
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- ideally the analysis should be done at 30A for such a big SoC
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- ideally the analysis should be done at 30A for such a big SoC
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- P3V3, P0V85 power supplies underrated: P3V3 to be at least 8..10A. P0V85 to be at least 30A.
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- P3V3, P0V85 power supplies underrated
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- Proposes steps:
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- P3V3 to be at least 8..10A
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- P0V85 to be at least 30A.
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- Proposed next steps:
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* Good power budget with necessary margins; I use Excel sheets and ADI online tool
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* Good power budget with necessary margins; I use Excel sheets and ADI online tool
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* Re-design of power supplies
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* Re-design of power supplies
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* SI analysis of all 10G links using Hyperlynx and eye diagrams/BERR and PCB update
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* SI analysis of all 10G links using Hyperlynx and eye diagrams/BERR and PCB update
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