Identify burned IC U1600 help plz!

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Apple AirPort Extreme Model A1143

Repair and disassembly guides for the Apple AirPort Extreme Model A1143.

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Hi All!

Need help with Identify of burned IC U1600 on Apple Airport Extreme A1143 MB053LL/A main board 820-2214-A

Help please!

Just need a Hi resolution picture of U1600 area on main board to identify IC.

Thank you in advance!

Here is pictures to understand what I'm looking for -

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Dennis @bandin Rep: 1 3 1 · Answer 1 · 2018-02-09T10:07:55-07:00

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This IC U1600 is a LOWPIN COUNT SYNCHRONOUS BUCK CONTROLLER TPS40190 by Texas Instruments,here is link to PDF datasheet

Also here is a picture as it must look if IC not burned as yours -

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