STUSB1602 datasheet(35/39 Pages) STMICROELECTRONICS

35 / 39 page

3.3

VBUS power path control......................................................... 9

3.3.1

VBUS monitoring ......................................................... 9

3.3.2

VBUS discharge ......................................................... 10

3.3.3

VBUS power path assertion ................................................ 10

3.4

VCONN supply ................................................................ 11

3.4.1

VCONN input voltage ..................................................... 11

3.4.2

VCONN application conditions .............................................. 11

3.4.3

VCONN monitoring ....................................................... 12

3.4.4

VCONN discharge........................................................ 12

3.4.5

VCONN control and status ................................................. 12

3.4.6

VCONN power switches ................................................... 12

3.5

High voltage protection......................................................... 14

3.6

Dead battery ................................................................. 14

3.7

Hardware fault management .................................................... 14

3.8

Accessory mode detection ...................................................... 15

3.8.1

Audio accessory mode detection............................................ 15

3.8.2

Debug accessory mode detection ........................................... 15

Managing USB PD transactions ...................................................17

I²C interface ......................................................................18

5.1

Read and write operations ...................................................... 18

5.2

Timing specifications........................................................... 19

Start-up configuration ............................................................20

6.1

User-defined parameters ....................................................... 20

6.2

Default start-up configuration.................................................... 20

Application .......................................................................22

7.1

General description............................................................ 22

7.1.1

Power supplies ......................................................... 22

7.1.2

Connection to MCU or application processor .................................. 22

7.2

USB Type-C typical applications ................................................. 23

7.2.1

Source type application schematic .......................................... 23

Electrical characteristics..........................................................26

STUSB1602

Contents

DS11254 - Rev 5

page 35/39

STUSB1602 数据表(PDF) 35 Page - STMicroelectronics

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