TPS51275/B/C Datasheet

TPS51275, TPS51275B, TPS51275C Datasheet

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TPS51275/B/C Datasheet

This IC generates 3v and 5v in laptop motherboard, If you have a short or damage step down IC, your laptop will not power on at all.
5v is mostly used for laptop peripherals, whereas 3v is used for BIOS chip, Super IO (SIO), Power Button, LID switch and many more.

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