Re: [Gumstix-users] gumstix-users Digest, Vol 51, Issue 145

[Michael E. <mic...@ma...>]

Thank you for your answer. For some reason I had a tough time figuring that out. This list is great!

Thank You,

Michael Ewald

On Jul 28, 2010, at 11:35 AM, gum...@li... wrote:

> Message: 2
> Date: Wed, 28 Jul 2010 11:24:24 -0700
> From: Dave Hylands <dhy...@gm...>
> Subject: Re: [Gumstix-users] Summit Board: VCC_3.3 Max Current / what
> 	is it	driven by?
> To: "General mailing list for gumstix users."
> 	<gum...@li...>
> Message-ID:
> 	<AANLkTimvWOStQKF=_wW...@ma...>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> HI Michael,
> 
> On Wed, Jul 28, 2010 at 6:43 AM, Michael Ewald <mic...@ma...> wrote:
>> List,
>> 
>> I'm looking to power my GPS from VCC_3.3 pin on the Summit board. It is located in the 40 pin header. I'm confused as to what would drive the VCC_3.3 pin, is it the COM or the Summit? How many mA can I draw before things go very bad? My application will never exceed 200 mA but I think typical usage will be around 110 mA.
>> 
>> Is the 5V 50 mA Regulator driving it, the TPS62111, or the COM?
>> <http://www.gumstix.com/store/catalog/product_info.php?products_id=215&show_tab=details>
> 
> Looking at the schematics, the VCC_3.3 comes from the TPS62111.
> 
> I would imagine that you should be able to draw 200mA without any
> issues. If you don't have wireless or bluetooth, then you'll
> definitely be able to do it.
> 
> -- 
> Dave Hylands
> Shuswap, BC, Canada
> http://www.DaveHylands.com/
> 
> 
> 
> ------------------------------