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fried Due
Moderators: adafruit_support_bill, adafruit

Please be positive and constructive with your questions and comments.

fried Due

by jdelcamp11 on Sat Feb 13, 2016 9:12 pm

I accidently shorted vin to ground when testing voltages (<1 second). smell. Now there is no power when powered by battery. Everything works when powered by usb.

From the schematics, it looks like there is a diode from the barrel terminal to the rest of the power circuitry. Is this the likely fried component? (proper part number?)
If not, what is the likely failed component?
Any help would be appreciated.

jdelcamp11
 
Posts: 160
Joined: Mon Nov 17, 2014 12:30 am

Re: fried Due

by adafruit_support_bill on Sun Feb 14, 2016 7:48 am

My guess would be the LM2734Y voltage regulator. Are the re any outward signs of damage? Often a fried component will have a blister, hole or burn mark on the package.

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Re: fried Due

by jdelcamp11 on Sun Feb 14, 2016 1:28 pm

I inspected the board with a magnifying glass and the only evidence looks like a scorch mark under the inductor just behind the barrel jack, and it may also be cracked/split.
This looks like I could replace (my solder skill is poor, but is relatively open and just two solder joints). Can you provide an appropriate replacement number or component?

jdelcamp11
 
Posts: 160
Joined: Mon Nov 17, 2014 12:30 am

Re: fried Due

by adafruit_support_bill on Sun Feb 14, 2016 1:44 pm

On the schematic it is labeled: 10u SRR0604-100ML
That would be a 10 microhenry inductor. Mouser stocks them:
http://www.mouser.com/ProductDetail/Bou ... r6BQ%3D%3D

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Re: fried Due

by jdelcamp11 on Sun Feb 14, 2016 4:40 pm

Thanks, I will let you know how it goes.

jdelcamp11
 
Posts: 160
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Re: fried Due

by jdelcamp11 on Wed Mar 09, 2016 1:07 pm

This is not the correct component.
I have added a picture with an arrow.

DSC_0567.JPG
DSC_0567.JPG (254.27 KiB) Viewed 340 times

The damaged component is a smd inductor or capacitor just behind the barrel jacket .
This component is not visible in the boards pictured on your site???
The model # is Due R3-E.
Can you check the correct part numer for me?

jdelcamp11
 
Posts: 160
Joined: Mon Nov 17, 2014 12:30 am

Re: fried Due

by adafruit_support_bill on Wed Mar 09, 2016 1:43 pm

We do not manufacture these boards, so all I can do is look at the reference design files published by Arduino. You can download them here and see how closely they match the board you have. If not, the Arduino.cc forums would be the best place to ask.

https://www.arduino.cc/en/Main/ArduinoBoardDue
https://www.arduino.cc/en/uploads/Main/ ... design.zip

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Re: fried Due

by jdelcamp11 on Wed Apr 20, 2016 5:08 pm

finally received the ferrite bead (L6 MH2029-300Y) from mouser.
Ugly soldering job, but this corrected the problem.
Thanks for your help.

jdelcamp11
 
Posts: 160
Joined: Mon Nov 17, 2014 12:30 am

Re: fried Due

by adafruit_support_bill on Wed Apr 20, 2016 6:10 pm

Good to hear it is working again. Thanks for the follow-up.

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Please be positive and constructive with your questions and comments.