USB LiIon/LiPoly charger Woes

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stellarmoig
 
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USB LiIon/LiPoly charger Woes

Post by stellarmoig »

Hi,
A while back I purchased:
https://www.adafruit.com/products/259

It worked fine for a few days then it went kaput. When I try and charge one of the LiPo batteries supplied here, both the charging and done LEDs do not turn on. I'm not getting any voltage out of the connectors and don't know what's wrong.
Thanks for the help anyone.

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adafruit_support_bill
 
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Re: USB LiIon/LiPoly charger Woes

Post by adafruit_support_bill »

What are you using as a power source? Have you checked the voltage from that?

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stellarmoig
 
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Re: USB LiIon/LiPoly charger Woes

Post by stellarmoig »

I'm just using direct from the USB connection. A 5v connection from my computer or wall adapter.

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Re: USB LiIon/LiPoly charger Woes

Post by adafruit_support_bill »

What about the power LED - does that illuminate when you plug it in?

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stellarmoig
 
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Re: USB LiIon/LiPoly charger Woes

Post by stellarmoig »

The power LED is just dandy. The rest of the PC board on the other hand...

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Re: USB LiIon/LiPoly charger Woes

Post by adafruit_support_bill »

When exactly did you purchase the charger?

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stellarmoig
 
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Re: USB LiIon/LiPoly charger Woes

Post by stellarmoig »

My Dad purchased it for me the summer of 2011. I'll try and find my Dad's account info if need be.

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Re: USB LiIon/LiPoly charger Woes

Post by adafruit_support_bill »

summer of 2011
That is beyond warranty replacement .

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stellarmoig
 
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Re: USB LiIon/LiPoly charger Woes

Post by stellarmoig »

Are there any schematics about this board? I'm fairly handy with SMT components.

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Re: USB LiIon/LiPoly charger Woes

Post by adafruit_support_bill »

Sure. The board files are here: https://github.com/adafruit/MCP73833
They are in Eagle format. If you don't have it already, Eagle is a free download: http://www.cadsoftusa.com/download-eagle/

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