[MinnowBoard] MInnowboard MAX/Turbot LSE headers

[Richardson, Brian]

Check out the schematics for the Calamari Lure to see how they get around the 3.3v current drive issues (LEDs are a good example).

Thanks ... br
---
Brian Richardson -- brian.richardson at intel.com -- Twitter: intel_brian

-----Original Message-----
From: elinux-MinnowBoard [mailto:elinux-minnowboard-bounces at lists.elinux.org] On Behalf Of John 'Warthog9' Hawley
Sent: Tuesday, March 22, 2016 11:08 PM
To: MinnowBoard Development and Community Discussion <elinux-minnowboard at lists.elinux.org>
Cc: s.kibler at noremsol.com
Subject: Re: [MinnowBoard] MInnowboard MAX/Turbot LSE headers

I wouldn't use the 3.3V for more than a couple hundred mA, but it would be solid to treat it as a reference voltage from the LSE.  the 5V you should be able to pull ~1A without too much issue, beyond that I'd suggest providing external power.

- John 'Warthog9' Hawley

On 03/22/2016 06:51 PM, Clayton Auld wrote:
> I have a question regarding the low speed expansion headers on the Max 
> and Turbot boards. It looks to me like the headers can provide both 5V 
> and 3.3V power rails to peripheral devices. I'm concerned with current 
> and power requirements for the board and not overdrawing the onboard 
> regulators. Is there any information out there on the maximum current 
> to the pins or from the voltage regulators? I'm looking at the design 
> schematics now to see if I can come up with a ballpark number on my own.
> 
> --
> Thanks,
> 
> Clayton Auld
> 
> 
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