TPS6594-Q1: Configuration of Feedback Pins for Multiphase sense operation

Hello Jared,

We plan to get a response out to you sometime tomorrow regarding this issue. Thank you.

Regards,

Alex

Hello Jared,

Please expect some delay on the answer due to US holiday today. 

Thanks.

Regards,

Tomi Koskela

Hello Jared,

For a released specific part such as the TPS76941213 or TPS65941111, the registers are already set and only the physical connections need to be made. For any multi-phase configuration the FB pins of the top 2 phases should be connected as a differential sense pair at the point of load. For example on a 3-phase rail FB_B1 would be the positive and FB_B2 would be the negative.

-Mike

Hello Michael,

Thank you for the insight. Do you have a diagram or schematic example of how you implement this?

Thanks,

Jared

This is an older reference design showing two TPS6594 devices being used to power the DRA829 processor.

https://www.ti.com/tool/TIDEP-01020

There are examples of the dual phase connections in the schematic.