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

REVIEWED74/100

Scanned 2026-07-12 · deepseek v1

Dimension breakdown

Security

95/100

No findings

Quality

45/100

No findings

License

90/100

No findings

Completeness

70/100

No findings

Findings (0)

Trust Engine found no issues to flag.

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