Thanks to PCBWay for sponsoring this video! Get $5 of New User Free Credit by following this link -
https://pcbway.com/g/x5f10h. PCBWay is one of the most experienced PCB manufacturers in China, consider them your one-stop solution that offers PCB fabrication, turn-key PCB Assembly, PCB design, 3D printing, and CNC machining services.
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.
All my battery knowledge is from
https://www.patreon.com/c/batterymooch/posts Donate to me:
https://ko-fi.com/h1tecBecome a member of the channel:
https://www.youtube.com/channel/UCN_ihvx9VuH8sLlCwG0AC-w/join Buy the 240W USB-C cables I use:
https://s.click.aliexpress.com/e/_on9i5XV Buy the budget 240W USB-C display power indicator I use:
https://s.click.aliexpress.com/e/_omisEWR Buy the electric screwdriver I use:
https://pcbway.com/s/A0vAc7TIDA-050047 reference design (scroll down for the design guide, schematic, PCB layout, etc):
https://www.ti.com/tool/TIDA-050047Texas Instruments E2E forum where the issue was discussed and resolved:
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1551911/re-tps25751-seemingly-firmware-related-issues-when-used-with-the-bq2579800:00 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