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Sorti en juin 2012, modèle A1278. Processeur Intel avec Turbo Boost, jusqu'à 512 Mo de RAM vidéo DDR5

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Need help identifying a component on logic board

There are three chips that are damaged after water damage. they are listed as 1, 2, 3. If you could identify them and possibly show me where I could buy the that would be great.

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David, may be there is more to this repair than just to replace the parts. Anyhow to answer your question

1) Reference designator U5410 is a INA214 in a SC70 and is a TI Voltage Out Current Shunt Monitor

2) Reference designator U5400 is a INA213 in a SC70 and is a TI Voltage Out Current Shunt Monitor

The INA213 and INA214 are voltage-output, current-shunt monitors that can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage.

3) Reference designator Q4262 is a BSS8402DW in a SOT-363 package and it is a COMPLEMENTARY PAIR ENHANCEMENT MODE MOSFET available at

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The laptop did not turn on. After water damage clean up it only powers on with a charger connected. I'm hoping after I replace those damaged chips that it will work. Thanks for the reply and if you have any other suggestions please let me know.



Part 1 and 2 are for the power sensing circuit, so sounds like you are on the right track.


Do you happen to know where I could buy the INA213 and INA214?


I just checked and has both the INA213 as well as the INA214 in stock.


Sorry to bother you one more time, but I have no idea which one to buy, there are over 40 parts to choose from on the 213 alone. Is there any way to let me know which one to buy? Thanks so much. Also, do you have a donation button/link? I would love to buy you a beer!


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David sera éternellement reconnaissant.
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