Trust Engine/Generic Repository

maudeve-it/3.3V-3A-step-down-converter-powered-by-USB-C

Without using a USB-C PD controller chip, handling communication over the USB cable, USB-C standard allows to get 5V up to 3A through a hardware availability detection. Here I show a design developed on KiCad and made through JLCPCB, powering from a USB-PD source and providing 5V and 3.3 (through a step-down converter) up to 3A.

4 starsMITkicadkicad-pcbkicad-schematicsusb-c

REVIEWED75/100

Scanned 2026-09-13 · gemini v1

Dimension breakdown

Security

85/100

1 finding

Quality

65/100

2 findings

License

90/100

No findings

Completeness

60/100

2 findings

Findings (5)

MEDIUM: 3LOW: 2

MEDIUMsecurityUnstable power transient
MEDIUMqualityLack of project structure
MEDIUMcompletenessMissing documentation
LOWqualityDependency on external media
LOWcompletenessMissing contribution guidelines

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