USB 3.1 to Gigabit Ethernet Adapter Hardware Design - Phil's Lab #174

Schematic, PCB design, and testing of a custom USB 3.1 SuperSpeed to Gigabit Ethernet adapter based on the Microchip LAN7800. Covers high-speed differential routing, controlled impedance, and more Altium. Discover JLCPCB’s advanced multilayer PCB technology https://www.youtube.com/watch?v=G0rZDzPbjw0&t=917s Claim up to $258 in exclusive coupons - first come, first served https://jlcpcb.com/pcb-campaign OSHWLab Stars 2026: https://oshwlab.com/activities/stars2026 Altium Develop: http://altium.com/yt/philslab (Ad) [SUPPORT] Hardware design courses: https://phils-lab-shop.fedevel.education Course content: https://www.phils-lab.net/courses Patreon: https://www.patreon.com/phils94 [LINKS] LAN7800 Datasheet: https://ww1.microchip.com/downloads/en/DeviceDoc/LAN7800-Data-Sheet-DS00001992G.pdf LAN7800 HW Design Checklist: https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/DesignChecklist/LAN7800-HW-Design-Checklist-00003446.pdf [TIMESTAMPS] 00:00 Intro 02:15 JLCPCB (Ad) 03:50 Altium Develop (Ad) 05:13 Schematic 18:41 PCB Overview, Stack-up, and Controlled Impedance 22:46 PCB Layout and Routing 33:14 Configuring OTP/EEPROM 38:18 Speed Test 39:59 Outro