Can anyone tell me what is this and what it does?
Hi
I have water damaged macbook air,
I have marked the damaged part on the picture
can anyone tell me what is the name of the chip and what it does
Thank you in advance for your help.
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Kip, that is reference designator U7930 and it is a Texas Instrument TPS3808G33DBVRG4 in a SOT23-6 package. The description for that is a Programmable-Delay Supervisory Circuit family of microprocessor supervisory circuits monitor system voltages from 0.4V to 5.0V, asserting an open drain RESET signal when the SENSE voltage drops below a preset a logic low. The datasheet for that is available right here. It is a bit hard to come by in a single quantity. Hope this helps, good luck.
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Thank you Oldturkey and Dan for your help .
I will find and replace it.
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Here's am image of the logic board were the chip is located AVO logic board
由 Dan 完成的