Rustic Engineering

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MP4 Powerpack – LiPoly Charger Hack – Part 1!

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In my last travel to São Paulo, i bought a MP4. It’s a “MP4 with 1GB internal flash, SD expansion slot, Aux. Input and… FM radio“.

It’s a great gadget, and now it’s my iPod best friend. The only issue is that the USB mini B port in the back is for data access only. Don’t charge the battery !!! Bad design, bad…

I don’t understand why the hell they make a device like it without this primary feature, but i understand that it’s a great opportunity to hack it!

Let’s dissect it:

Inside MP4

And now, a amputation:

Secundary board

First items to highligh:

  • 1700mAh Polymer Lithium Ion Battery (LiPoly);
  • TPS61032 Boost Converter;
  • TPA2008D2 Stereo Audio Amplifier;

The next step (Party 2) is obtain the schematic from the board.



Written by forrequi

November 13, 2007 at 13:03

Posted in electronic, hack's

Tagged with ,

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