Contents

1

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

1.1

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

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......................................................... 5

2.2.5

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

2.2.6

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

2.2.7

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

2.2.8

RP_3A/RP_1A5 ......................................................... 6

2.2.9

GPIO.................................................................. 7

2.2.10

VBUS_EN_SNK ......................................................... 7

2.2.11

A_B_SIDE.............................................................. 7

2.2.12

VBUS_VS_DISCH ....................................................... 7

2.2.13

VREG_1V2 ............................................................. 7

2.2.14

VSYS ................................................................. 7

2.2.15

VREG_2V7 ............................................................. 8

2.2.16

VDD .................................................................. 8

3

Description of the features.........................................................9

3.1

CC interface ................................................................... 9

3.2

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

3.2.1

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

3.2.2

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

3.2.3

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

3.3

Dead battery mode ............................................................ 10

3.4

High voltage protections........................................................ 10

3.5

Hardware fault management .................................................... 10

STUSB4500L

Contents

DS13102 - Rev 1

page 27/31