DPO2039

Document number: DS42776 Rev. 1 - 2

2 of 13

www.diodes.com

May 2020

© Diodes Incorporated

DPO2039

Typical Application Circuit

DPO2039DABQ

VSYS

DIFF1C

CC1C

CC2C

FAULTB

12

11

10

9

GND

CC1S

DIFF2S

DIFF1S

RFAULTB

10k

Ω

VCC

DIFF2C

CSYS

1uF

CC2S

VDIFF1S

VDIFF2S

VCC1S

VCC2S

VDIFF1C

VDIFF2C

VCC1C

VCC2C

DIFF1

DIFF2

CC1

CC2

CC1

CC2

USB PD controller

DIFF1

DIFF2

To system

6

VCC

8

14

1

2

3

4

15

NC

NC

5

CB

7

Figure 1. Typical Application Circuit

Pin Descriptions

Pin Number

Pin Name

Function

1

DIFF1C

DIFF1 connector side. This shall be connected to the DIFF1 pin of the USB Type-C connector.

2

DIFF2C

DIFF2 connector side. This shall be connected to the DIFF2 pin of the USB Type-C connector.

3

CC1C

CC1 connector side. This shall be connected to the CC1 pin of the USB Type-C connector.

4

CC2C

CC2 connector side. This shall be connected to the CC2 pin of the USB Type-C connector.

7

CB

Pin for ESD support capacitor. Place a 0.1

μF capacitor on this pin to ground.

8

FAULTB

Fault status. This is an active-low open-drain output.

9

CC2S

CC2 system side. This shall be connected to the CC2 pin of the component to be protected.

10

CC1S

CC1 system side. This shall be connected to the CC1 pin of the component to be protected.

11

DIFF2S

DIFF2 system side. This shall be connected to the DIFF2 pin of the component to be protected.

12

DIFF1S

DIFF1 system side. This shall be connected to the DIFF1 pin of the component to be protected.

5, 6, 13, 16

NC

No connection.

14

GND

Ground.

15

VSYS

Power Input. This shall be connected to the 2.7 to 5.5V power source inside the system.

—

EP

Exposed pad. This shall be connected to ground.

1μF

DPO2039