Comments (1)
Hi,
thanks for taking interest in my little project, I really appreciate you opening an issue.
You're completely right, the capacitors are not suited for the 12V output option. It was added a bit hastily after the fact and I haven't verified all specs. Obviously that wasn't the greatest idea and you probably shouldn't use the 12V output.
Regarding the ESR: I remember that the ESR was more on the low side, as it needs to be high enough to prevent ringing on the output. There's a section in the datasheet (8.2.3) on using ceramic capacitors with a resistor network for the output filter. That also means using a electrolytic cap instead would be perfectly fine.
I currently don't have much time at hand, but I'll try to redo the calculations for the output capacitors including ESR next week. I don't know how I'll change the current ones though, as the idea was to use only basic parts from JLCPCB and the ones currently used have the highest capacitance of those AFAIK.
I'm open to any suggestions.
Cheers,
Max
from tps5430.
Related Issues (16)
- Review Reverse Polarity Protection HOT 1
- Add input voltage range on silkscreen
- Replace through-hole screw terminal with an SMD variant
- Check if a smaller inductance would bring the price down HOT 1
- Move connectors to other side
- Fix 5V output level HOT 1
- Add USB-C? HOT 1
- Change Reverse Polarity MOSFET HOT 1
- Add V_out status LED HOT 2
- Add Testpads/points HOT 1
- Add +12V output option HOT 1
- Rotation of screw terminal HOT 1
- Move solder jumpers to backside
- Add bottom silkscreen HOT 1
- Change status LED HOT 1
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