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USB hub

A self powered USB hub with three USB ports and one serial port

andreas-dahlbergAndreas Dahlberg

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I started this project since i needed a versatile USB hub to my Raspberry Pi. So why not make my own :) The USB hub got three USB ports and one serial port. I also got connections for 5V and 3.3V power.
  • 1 ×ばつ TUSB2046 4-port USB hub controller
  • 3 ×ばつ SN75240PW USB port transient suppressor
  • 1 ×ばつ FT232RL USB to serial IC
  • 1 ×ばつ TPS2044BDRG4 Power Switch IC
  • 3 ×ばつ Polyfuse

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Mathieu Stephan wrote 03/31/2014 at 21:20 point
if you ever go with a USB 2.0 hub i'd buy you one :)

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Mathieu Stephan wrote 03/31/2014 at 20:19 point
Any reason you opted for usb 1.1?

In case you'd like to do it with USB 2.0, you may get some inspiration from here: https://github.com/easy-phi/main/blob/master/Rack/Current%20Version/github/Kicad/Small%20Rack%205%20slots%20-%20Schematics.pdf

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Andreas Dahlberg wrote 03/31/2014 at 20:28 point
Mostly because TUSB2046B is easy to find and it also got some good documentation. USB 1.1 is good enough since i wont use the hub for any large data transfers. Looks interesting, will check it out!

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Mathieu Stephan wrote 03/31/2014 at 19:10 point
Hey Andreas, Nice project!
Which component are you using for the USB hub? the CYC smth?

Cheers

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Andreas Dahlberg wrote 03/31/2014 at 20:16 point
Hi, thanks :) I am using TUSB2046B from Texas Instruments.

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Eric Evenchick wrote 03/31/2014 at 17:18 point
This could be a very useful hacking tool! I always need more USB ports and serial. Looking forward to seeing more details.

Also, what did you render the board in? It doesn't quite look like Altium.

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Andreas Dahlberg wrote 03/31/2014 at 17:36 point
I used NI Ultiboard for the PCB layout and rendering of the design.

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Eric Evenchick wrote 03/31/2014 at 17:44 point
Ah, haven't seen renderings from it before. Looks good! Also looking forward to seeing a schematic for this, assuming you intend to open-source it.

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Andreas Dahlberg wrote 03/31/2014 at 20:20 point
Thanks! I plan to upload the schematics soon, only got some minor things left to fix first.

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