AP43776

Document number: DS43473 Rev. 5 - 2

4 of 12

www.diodes.com

September 2022

© Diodes Incorporated

AP43776

Pin Descriptions

Pin Number

Pin Name

Function

1

CC1_A

Output to channel A Type-C CC or VCONN pin.

2

GND

Ground pin.

3

GPIO1

Multipurpose I/O pin. (define for UART application)

4

GPIO2

Multipurpose I/O pin. (define for UART application)

5

GPIO3

Multipurpose I/O pin. (define for NTC application)

6

SDA

Data pin of I2C. (define for communication with I2C-based Buck-Boost or Buck IC)

7

SCL

Clock pin of I2C. (define for communication with I2C-based Buck-Boost or Buck IC)

8

GPIO4

Multi-purpose I/O pin with current source. (defined for NTC application)

9

GPIO5

Multipurpose I/O pin. (define for LED indicator light)

10

GPIO6

Multipurpose I/O pin. (define for LED indicator light)

11

VCC

Power supply pin

12

GPIO7

General-purpose I/O pin. (define for V/I report of Buck-Boost or Buck IC)

13

GPIO8

General-purpose I/O pin. (define for V/I report of Buck-Boost or Buck IC)

14

DP_B

Connected to channel B Type-C DP pin.

15

DN_B

Connected to channel B Type-C DN pin.

16

DN_A

Connected to channel A Type-C DN pin.

17

DP_A

Connected to channel A Type-C DP pin.

18

CC1_B

Output to channel B Type-C CC or VCONN pin.

19

CC2_B

Output to channel B Type-C CC or VCONN pin.

20

CC2_A

Output to channel A Type-C CC or VCONN pin.

—

Exposed Pad

Connected to PCB Ground.