KS4PH – 4 Port USB 3.0 Hub Reference Product

Model: #KS4PH
Part: #KS-35306


The KS4PH is a fully functional a four-port SuperSpeed USB (USB 3.0) hub based on Texas Instrument’s TUSB8041 device. It provides simultaneous SuperSpeed and high-speed / full-speed connections on the upstream port and provides SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream ports. The hub design provides power control for each downstream port, over-current protection and supports battery charging modes for custom charging, CDP and DCP modes. The board will work with any operating system that has USB hub support built in and is used to evaluate system compatibility. No software is required to enable the device. See the “What you may need” section below for a list hardware to operate the KS4PH.

The KS4PH reference product was created in collaboration with Texas Instruments. This design has been tested to USB 3.0 and USB 2.0 standards. Reference Product documentation includes theory, components selection, simulation, bill of materials (BOM) and complete PCB schematic and layout files.


  • Computer systems
  • Docking stations
  • Monitors
  • Set-top boxes

Design Resources

Hardware Features

  • Complete 4 port hub reference product featuring TUSB8041 USB hub controller
  • Incorporate both external USB charging port controllers and internal charging controllers
  • Supports operation as a USB 3.0 or USB 2.0 device
  • Meets USB battery charging specification revision 1.2 (BC 1.2)

What's Included

  • A fully functioning 4 port USB 3.0 hub
  • Open source reference product, schematics and layout, bill of materials upon request (Link)
  • No software is needed to enable the device
  • KS4PH User Guide (PDF)

What You May Need

  • Upstream host device
  • Power supply – 120VAC input, 5VDC at 3Amps output, 2.5mm center positive connector
  • USB cables similar to GC Electronics 45-1433-2 USB-A 3.0 Plug – 3.0 Micro B Plug – 2m

Product Support

For Ordering » Email Krypton Sales

For Customization or questions » Email Krypton Reference Design Team

For information on Texas Instrument’s IC (TUSB8041): Visit http://www.ti.com/product/tusb8041

For EVM test data: Visit http://www.ti.com/tool/tida-00288

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