USB-C Bench PSU

Vansh mail

OSHWA UID

AU000023 Project Website

Certification Date

June 12, 2026

Country

Australia

Compact open-source bench power supply providing regulated 3.3V and 5V output from a USB-C input. Fully analogue design with no firmware. uses a TPS563201 synchronous buck for 3.3V regulation and 5V VBUS passthrough, with AO3401A P-channel MOSFET rail switching via an SPDT slide switch. Features PTC fuse input protection, TVS ESD clamping, and per-rail LED indicators. Rated for 2A continuous per rail. 22x17mm footprint, designed for JLCPCB assembly with all parts sourced from LCSC.

Version

1.0

Licenses
Hardware
CERN-OHL-S-2.0
Software
No software
Documentation
CC-BY-SA-4.0
View Documentation

Certification mark

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Project Type
Electronics
Keywords
USB-C, power supply, breadboard, 3.3V, 5V, buck converter, analogue, JLCPCB, voltage regulator, prototyping

Citations