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Author Topic: Suitable wall plug > USB for powering a SD USBPRE2?  (Read 864 times)

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Offline ellaguru

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Suitable wall plug > USB for powering a SD USBPRE2?
« on: May 25, 2016, 03:25:02 PM »
i see alot of plugs & cables out there that will obviously hook it all together, but before i blow it up with a cell phone charging cable, is there one out there that powers it properly? 

thanks
chris

Offline morst

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Re: Suitable wall plug > USB for powering a SD USBPRE2?
« Reply #1 on: June 27, 2016, 02:06:36 PM »
According to the specs, you'll want a USB wall wart with 500mA of capacity. If you can find one that's 600mAh then it won't be pushing all-out and might last longer.

Quote
Powering

    USB bus powered, soft-start meets USB hot-plugging power requirements (5 V, 100 mA max current drawn during enumeration)
    5 V, 500 mA max current from USB port (USBPre 2 will not function if connected through a passive USB connection or hub)

edit: https://www.sparkfun.com/products/11456
I can't vouch for the seller or brand, just a quickie web search, but this one puts out a full 1A, that's 1000mA to you & me!
« Last Edit: June 27, 2016, 02:08:51 PM by morst »
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Offline ellaguru

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Re: Suitable wall plug > USB for powering a SD USBPRE2?
« Reply #2 on: July 03, 2016, 09:11:48 AM »
thanks for the guidance. 

 

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