2.3.10

VSENSE_DISCH

This input pin is used to sense VBUS presence, monitor VBUS output voltage and VBUS discharge on USB Type-C

receptacle side.

2.3.11

VBUS_EN_SRC

This pin enables the outgoing VBUS power when the connection to a sink is established and VDD is in the valid

operating range. The open drain output allows a PMOS transistor to be driven directly.

2.3.12

VREG1V2

This pin is used only for external decoupling of 1.2 V internal regulator.

Recommended decoupling capacitor: 1 µF typ. (0.5 µF min.; 10 µF max.).

2.3.13

VREG2V7

This pin is used only for external decoupling of 2.7 V internal regulator.

Recommended decoupling capacitor: 1 µF typ. (0.5 µF min.; 10 µF max.).

2.3.14

VDD

This pin is the IC power supply and feedback loop input in CV mode.

This pin assures that before applying VBUS on type-C connector, voltage is in the range [3.9 V-6 V]. VBUS path is

not closed if VDD is not in this range at connection.

STUSB4761

Pin description

DS13141 - Rev 3

page 6/29