RE: [OT] iPad query...

["Dave McLaughlin" <dave_mclaughlin@xxxxxxxxxxxxx>]

Hi Peter,

Sorry for the late reply.

I did do a design for Phil. You can see an image of the concept here. I
chose a small enclosure from Hammond to fit it all into. The idea is that
there is a passthrough of the USB lines and the power for the iPad would
come from the standard charger. No power would be taken from the PC. I had
thought about a diode based supply blocking or other method of switching,
but Phil said he was happy to always have the iPad charger plugged in.

http://www.axoninstruments.biz/download/iPadDualAdaptor.jpg

The schematic is here.

http://www.axoninstruments.biz/download/iPadDualAdaptorSch.pdf

I can get these made up if anyone is interested. I don't have a costing yet
as it would depend on quantity.

The other option is that I supply you the PCB design and the mechanical
drawings of the housing and it's cutouts and you make it up yourself?

I can post the necessary files if anyone wants them (PDF drawings and
gerbers for the PCB)

Dave...
---
Very funny Scotty, now beam down my clothes!!!
---



From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
Peter + Jane
Sent: 11 March 2011 07:29
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] [OT] iPad query...


Hi
Back end of last year there was a long thread re sync-ing and charging
iPads.
The basis was that an iPad needs 2 amps and usb delivers just 500mA.
Someone (Dave Mclaughlin?) was looking at
producing a splitter (charge from charger / data from usb).
Did this ever happen (Phil Harris...did you
resolve the problem this or any other way?)
Is there anything on the market?
Thanks
Peter (whose iPad using wife still mutters.........)




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