What is this IC from QC 35 ii bluetooth headphones?

Question

Bose QuietComfort 35

Bose's first wireless noise-canceling headphones, praised for their industry-leading noise cancelation technology and comfort. Released in June of 2016.

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W1ngl3t @w1ngl3t

평판: 11

게시일: 2023년 2월 1일

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What is this IC from QC 35 ii bluetooth headphones?

Hi all, this component connects to the speaker driver, but I cannot ID it from the markings. Anyone have any idea?

THanks

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@w1ngl3t How many contacts does it have on each side? Is there a contact on the side where the + sign is? Is it close to the connector or where is it situated in relation to the complete board?

oldturkey03 의 2023년 2월 1일

@oldturkey03 it's most probably a EUP7201-2.8/1.2UIR1 dual output LDO

Looks like it will be a pain to source a replacement :(

W1ngl3t 의 2023년 2월 2일

@w1ngl3t yes, I figured by the looks and location that it is either a voltage regulator or an eFuse

oldturkey03 의 2023년 2월 2일

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@w1ngl3t How many contacts does it have on each side? Is there a contact on the side where the + sign is? Is it close to the connector or where is it situated in relation to the complete board? — oldturkey03
@oldturkey03 it's most probably a EUP7201-2.8/1.2UIR1 dual output LDO

Looks like it will be a pain to source a replacement :( — W1ngl3t
@w1ngl3t yes, I figured by the looks and location that it is either a voltage regulator or an eFuse — oldturkey03

Bose QuietComfort 35

What is this IC from QC 35 ii bluetooth headphones?

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