4.4 CC1/CC2 Short-to-VBAT Connect to TVS Application
If the voltage exceeds 18 V when CC1/CC2 shorts to VBAT, TI recommends connecting a 18-V TVS diode between VBUS and GND, as shown with Z3 in Figure 4-4.
Figure 4-4 CC1/CC2 Short-to-VBAT Connect to TVS Setup