Add USB-C fast charging to any battery-powered project!

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USB-C charging, fast charging, and powerbank circuits are the focus of this project, where I test and troubleshoot a custom board based on Texas Instruments’ reference designs. Instead of using common modules like the TP4056 or IP2368, I designed a PCB that can safely handle 1–4S batteries with configurable charging up to 66W and USB-C source/sink modes. After debugging firmware, fixing thermal issues, and learning from the TI forums, I finally got the system working as a proper USB-C powerbank-style solution.

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Buy the 240W USB-C cables I use: https://s.click.aliexpress.com/e/_on9...

Buy the budget 240W USB-C display power indicator I use: https://s.click.aliexpress.com/e/_omi...

Buy the electric screwdriver I use: https://pcbway.com/s/A0vAc7

TIDA-050047 reference design (scroll down for the design guide, schematic, PCB layout, etc): https://www.ti.com/tool/TIDA-050047

Texas Instruments E2E forum where the issue was discussed and resolved: https://e2e.ti.com/support/power-mana...

00:00 Intro and Reference Design Overview
02:46 Custom PCB Design
03:33 Sponsored section
03:49 Issues....
04:49 EEPROM chip is flashed!
05:44 Why isn't it working yet?
07:10 Desperate measures...
08:44 Conclusions