SLUSDB2A August 2018 – December 2021 UCC28951
All signals are referenced to this node. TI recommends having a separate quiet analog plane connected in one place to the power plane. The analog plane connects the components related to the pins VREF, EA+, EA-, COMP, SS/EN, DELAB, DELCD, DELEF, TMIN, RT, RSUM. The power plane connects the components related to the pins DCM, ADELEF, ADEL, CS, SYNC, OUTF, OUTE, OUTD, OUTC, OUTB, OUTA, and VDD. Figure 7-18 shows an example of layout and ground planes connection.