6-Layer PCB

🟢 Grab your $30 coupon! Small 6-layer PCBs starting at $2 - https://jlcpcb.com/events/6-layer-pcb?from=LeftyMaker This DIY battery management project is based on the TP4552B integrated circuit. The module is optimized for charging small batteries -- much smaller than 1,000mAh. It can charge batteries at up to 400mA, provide 500mA current at 5V, and has built-in protection features. 🔗 Full video on YouTube.com/LeftyMaker 🔗 Project files at Patreon.com/LeftyMaker The design files on Patreon feature project revisions: a bigger inductor and properly connected resistors for the USB output.