A super-compact, low-cost USB-C 4-port USB 2.0 hub module for makers, connecting all your USB-C things to your host device in the smallest way possible!

This hub was designed to be both compact (30mm x 32mm x 5mm) and low-cost. To facilitate such a small size, all ports use USB-C connectors. Whilst this hub uses USB-C connectors it does not pass USB3 data – data transfer will be at USB 2.0 speeds. The board has pads for a 24C02 on the underside but it’s not fully wired.

The USB-C IN upstream port has 5.1k resistors on both CC lines and a 1A poly fuse for power input. The four downstream USB-C ports have 56k resistors on both CC lines indicating “legacy mode” for up to 500mA.

The board is powered by a WCH CH334 USB 2.0 IC:

• High-performance MTT mode, providing independent TT for each port
• USB 2.0 downstream ports, backwards compatible with USB 1.1 protocol specification
• Self-powered

There’s alsoa3D printcase file for those of you with plastic melting machines – grab some UK-made filament here if you’re out of spaghetti.

Features

• Low-cost USB-C hub.
• Ultra-compact (30mm x 32mm x 5mm)
• 4 USB 2.0 downstream ports (USB-C connectors)
• USB 2.0 speeds (480 Mbps, no USB 3.0 support)
• MTT mode for independent transaction translation per port
• Upstream USB-C port with 5.1k resistors on CC lines and 1A poly fuse
• Downstream ports with 56k resistors for legacy mode (500mA max per port)
• Self-powered
• WCH CH334 USB 2.0 hub IC
• Pads for 24C02 EEPROM (not fully wired)
• 3D print case file available

Resources

• 3D printed case file

Package Contents

• 1x Mini USB 2.0 4-Port USB-C Hub