Buck convertor capacitors optimization for 12VDC input

Edgeberry / Edgeberry-hardware

Raspberry Pi hat for the Edgeberry project

https://edgeberry.io

CERN Open Hardware Licence Version 2 - Weakly Reciprocal

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Buck convertor capacitors optimization for 12VDC input #3

Closed SpuQ closed 1 month ago

SpuQ commented 1 month ago

The design currently uses 220uF/35V aluminum capacitors in the buck convertor circuit. According to the LM2596S-5.0 datasheet (page 7) when using a maximum input voltage of 15VDC, 330uF/35V is recommended.