Schematic Usb Hub Ic. I found a cheap usb controller hub ic genesys 850g which is used in mostly usb hubs even in belkin 4 port hub also uses the same ic. Print the f cu file on photo paper and iron it on copper clad.
You could get a cheap dollar hub with one of those then modify it as you want. Usb 2 0 connection usb 2 0 hub usb 2 0 port usb 2 0 device usb 1 1 keyboard type a port usb2 webcam usb 1 1 device tusb4020bi tusb4020bi product folder order now technical documents tools software support community an important notice at the end of this data sheet addresses availability warranty changes use in safety critical applications. Some all in one usb hubs like gl850g are used.
All these y splitters are are a usb hub ic a few passives and the usb ports.
It is an active device not just wires. On a custom usb hub for me i noticed that on the schematic some capacitor. 4 port usb hub. If you check the schematic also check the bill of materials bom.
