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Functional description

The STUSB1602 is a high voltage standalone USB Type-C controller also acting as a USB PD TX/RX physical

layer for an external MCU. It is designed to interface with the Type-C receptacle on host side. It is used to

establish and manage the source-to-sink connection between two USB Type-C host and device ports.

The STUSB1602 major role is to:

1.

Detect the connection between two USB Type-C ports (attach detection)

2.

Establish a valid source-to-sink connection

3.

Determine the attached device mode: source, sink or accessory

4.

Resolve cable orientation and twist connections to establish USB data routing (MUX control)

5.

6.

7.

8.

Support USB PD negotiation

The STUSB1602 also provides:

•

Dead battery mode

•

I²C interface and interrupt

•

Start-up configuration customization: static through NVM and/or dynamic through I²C

•

High voltage protection

•

Accessory mode detection

STUSB1602

Functional description

DS11254 - Rev 5

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