Hello, I’m James, a PCB Design Engineer with 5 years of experience in power electronics, BMS, battery systems, USB-C, USB-C PD, DC-DC converters, buck/boost converters, power supplies, and embedded hardware. I design custom battery charger PCB, power management PCB, inverter PCB, motor power stages, and USB-C charging/programming interfaces for IoT, robotics, portable devices, and embedded systems. I handle schematics, component selection, PCB layout, protection, BOM, Gerbers, and manufacturing files. Software: KiCad, Altium Designer, EasyEDA, Eagle, and OrCAD.... Read more