Below are links to the various user guides for TPS6594 NVMs and the associated PDNs.
TPS65941213 + TPS65941111: https://www.ti.com/lit/pdf/slvuc99
TPS65941212 + TPS65941111: https://www.ti.com/lit/pdf/slvuc32
TPS65941213 + LP876411B4: https://www.ti.com/lit/pdf/slvucf3
TPS6594141B + LP876441B1: https://www.ti.com/lit/pdf/slvuby7
TPS65941515: https://www.ti.com/lit/pdf/slvucd4
TPS6594133A: https://www.ti.com/lit/pdf/slvuci2
TPS65941120 + TPS65941421 + LP876411B5: https://www.ti.com/lit/pdf/slvucj9