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4 layers170 × 115 mmUsb2517 pinlevel, the printed circuit board in 3D

Usb2517 pinlevel

freeprochat/USB-hub

KiCad overspec usb hub

Size
170 × 115 mm
Copper layers
4
Thickness
1.6 mm
Parts
19
Nets
42
Pads
181
Tracks, vias
39, 0
Pours
2
Routed
Yes
KiCad
KiCad 8 (file 20240108)
Created
10 Sep 2026
Updated
11 Sep 2026

Overview

Usb2517 pinlevel is an open-source printed circuit board by freeprochat, from the freeprochat/USB-hub repository on GitHub. It is a 4-layer board of 170 × 115 mm with 19 parts on 42 nets, routed with 39 tracks and 0 vias.

It is built around the AP22653W6 and AP2112K-3.3. Its parts include 10 ICs and 9 connectors.

Main components

2

README

usb2517_pinlevel_complete_kicad/README.md

USB2517 pin-level KiCad project

This package contains a normal legacy KiCad schematic with a custom cache library, a 64-pin USB2517 symbol, explicit pin-to-net connectivity matrix, a four-layer PCB with pads, named nets, differential routes, high-current power routes and GND/5V zones. KiCad 6-9 can open and convert the legacy .sch to modern .kicad_sch.

Important: The PCB is a complete connected engineering draft, not a production release. The Molex and TI footprints are dimensionally tagged but are not authenticated manufacturer ECAD downloads. Run ERC/DRC after conversion on a workstation with KiCad installed, confirm all footprint land patterns from the current drawings, tune USB impedance to the fab stackup, and perform power/thermal/USB compliance testing.

Parts

19
QtyValueFootprintReferences
7AP22653usb_hub:AP22653U3, U4, U5, U6, U7, U8, U9
7GCT_USB1086usb_hub:GCT_USB1086J2, J3, J4, J5, J6, J7, J8
1AP2112Kusb_hub:AP2112KU2
1MOLEX_480370001usb_hub:MOLEX_480370001J1
1PHOENIX_1715721usb_hub:PHOENIX_1715721J9
1TPS548B22_RVF40usb_hub:TPS548B22_RVF40U10
1—usb_hub:USB2517_JZX_QFN64_EPU1

Questions

How big is the Usb2517 pinlevel PCB?

It measures 170 × 115 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Usb2517 pinlevel use?

19 parts, built around the AP22653W6 and AP2112K-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Usb2517 pinlevel KiCad files?

From the freeprochat/USB-hub repository on GitHub, at the commit this page was made from: the board is usb2517_pinlevel_complete_kicad/usb2517_pinlevel.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Usb2517 pinlevel design in my own project?

Its repository states no licence, so its author keeps all rights: ask freeprochat before reusing the design.

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