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@copilot list all ICs and the decoupling capacitors attached to each.
Ensure to include all ICs present in the design, including digital ICs, power converters, LDOs, etc.
For every IC, clearly state:
What power net the decoupling capacitors are attached to. What is the stated voltage of that net.
The voltage rating and value of the attached decoupling capacitors.
Signal with the expression “[WARNING]” if any of the following conditions are met:
no decoupling capacitors are attached;
the voltage of the power net is higher than the voltage rating of the capacitor;
No voltage range was stated for the capacitor.
Give a separate “[WARNING]” for each condition. Signal with the expression “[OK]” if none of those conditions are met
I'm sorry, but the provided excerpt doesn't contain enough information about the values for the parameters you're interested in, nor the specific ICs and their decoupling capacitors on the board.
However, from the datasheet excerpts, I can provide some general recommendations for one of the ICs, the DSPIC33EP512GM710-I/PF (Microchip Technology Inc.). According to details in the datasheet [1], the following pins are important for decoupling:
All VDD and VSS pins
All AVDD and AVSS pins (regardless if ADC module is not used)
VCAP
Please ensure these pins are properly decoupled according to the IC's specifications.
As a general rule, decoupling capacitors should be of as high a voltage rating as possible given size and cost constraints, and the power net voltage should not exceed this rating. Also, it's important to note from excerpt [2] that it is crucial for the low-ESR capacitor to be placed as close as possible to the VCAP pin.
Unfortunately, without more information I'm unable to specifically detail the voltage rating and value of the decoupling capacitors, the exact power net they are attached to, or the stated voltage of that net for your design. Do check the rest of your components' data sheets and the layout of your circuit to ensure you have the correct decoupling.
raphaelasapphire951662
copilot