TPS51372 LP mode

fred cheng

Other Parts Discussed in Thread: TPS51372

Hi I would like to know TPS51372 and what is its LP mode purpose for and how could it support V1P8A in tiger lake system?

And BTW is V1P8A for VCCIO in tigerlake system ?

over 5 years ago

0 Gerold Dhanabalan - Online Design Tools over 5 years ago

TI__Genius 14455 points

Here is an app note that talks about Tiger lake power solutions.

https://www.ti.com/lit/an/sluaa54a/sluaa54a.pdf

Regards,

Gerold

0 Yuchang Zhang over 5 years ago in reply to Gerold Dhanabalan - Online Design Tools

TI__Mastermind 18510 points

Hi, LP# is for low power mode, if LP# asserted, Vout will changed from high to low to entering low power mode, which is for saving power. you can refer to 7.3.7 datasheet for details. and as I know, 1.8V is not for VCCIO at tiger-lake platform.

Yuchang

Power management

Power management forum

TPS51372 LP mode