USB Boosty: 5V USB Charger PCB
Sep 2025

Description
Designed a custom PCB that provides stable 5V output from both micro-USB and battery inputs, maintaining consistent voltage regardless of output load. The design includes reverse-polarity protection, electronic fuse (e-fuse), voltage regulator, and status indicator LED. The board was hand-soldered and tested for reliable operation across various load conditions.
Technologies
PCB Design
PCB Layout
Power
Gallery

Completed 5V USB charger PCB

PCB 3D viewer visualization

PCB layout design

Circuit schematic diagram