STUSB4500 datasheet(36/41 Pages) STMICROELECTRONICS

36 / 41 page

Contents

Functional description .............................................................2

1.1

Block overview................................................................. 2

Inputs/outputs .....................................................................3

2.1

Pinout ........................................................................ 3

2.2

Pin description ................................................................. 5

2.2.1

CC1/CC2 ..............................................................5

2.2.2

CC1DB/CC2DB.......................................................... 5

2.2.3

Reset ................................................................. 5

2.2.4

I²C interface pins......................................................... 6

2.2.5

DISCH................................................................. 6

2.2.6

GND .................................................................. 6

2.2.7

ATTACH ............................................................... 6

2.2.8

POWER_OK2/POWER_OK3 ............................................... 7

2.2.9

GPIO.................................................................. 8

2.2.10

VBUS_EN_SNK ......................................................... 8

2.2.11

A_B_SIDE.............................................................. 9

2.2.12

VBUS_VS_DISCH ....................................................... 9

2.2.13

VREG_1V2 .............................................................9

2.2.14

VSYS ................................................................. 9

2.2.15

VREG_2V7 .............................................................9

2.2.16

VDD .................................................................. 9

Description of features ...........................................................10

3.1

CC interface .................................................................. 10

3.2

Power delivery blocks .......................................................... 10

3.2.1

Physical layer .......................................................... 10

3.2.2

Protocol layer .......................................................... 10

3.2.3

Policy engine........................................................... 10

3.2.4

Device policy manager ................................................... 10

3.3

Auto-run mode................................................................ 10

3.3.1

Sink PDOs configuration .................................................. 11

STUSB4500

Contents

DS12499 - Rev 2

page 36/41

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