STUSB1702 datasheet(34/38 Pages) STMICROELECTRONICS

34 / 38 page

3.3.1

VBUS monitoring ........................................................ 8

3.3.2

VBUS discharge ......................................................... 9

3.3.3

VBUS power path assertion ................................................ 9

3.4

VCONN supply ................................................................ 10

3.4.1

VCONN input voltage ..................................................... 10

3.4.2

VCONN application conditions .............................................. 10

3.4.3

VCONN monitoring ....................................................... 10

3.4.4

VCONN discharge........................................................ 10

3.4.5

VCONN control and status ................................................. 10

3.4.6

VCONN power switches ................................................... 10

3.5

High voltage protection......................................................... 12

3.6

Hardware fault management .................................................... 12

3.7

Accessory mode detection ...................................................... 12

3.7.1

Audio accessory mode detection............................................ 12

3.7.2

Debug accessory mode detection ........................................... 12

Managing USB PD transactions ...................................................14

I²C interface ......................................................................15

5.1

Read and write operations ...................................................... 15

5.2

Timing specifications........................................................... 16

5.3

I²C register map............................................................... 16

Start-up configuration ............................................................18

6.1

User-defined parameters ....................................................... 18

6.2

Default start-up configuration.................................................... 18

Application .......................................................................20

7.1

General description............................................................ 20

7.1.1

Power supplies ......................................................... 20

7.1.2

Connection to MCU or application processor .................................. 20

7.2

USB Type-C typical applications ................................................. 21

7.2.1

Source type application schematic .......................................... 21

Electrical characteristics..........................................................24

8.1

Absolute maximum ratings...................................................... 24

STUSB1702

Contents

DS12664 - Rev 1

page 34/38

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