iW656

USB Power Delivery Controller for AC/DC Power Adapters

Rev. 1.0

Product Summary

© 2018 Dialog Semiconductor

www.dialog-semiconductor.com

3 of 8

09-Jan-2018

4 Pinout Description

Figure 4.1 : 12-Lead TDFN 3x3mm Package

Pin Number

TDFN-12

Pin Name

Type

Pin Description

1

DIS

Analog Output

Discharging circuit. Used for fast discharging of output capacitor.

2

DRV

Analog Output

External circuit drive. Can be used to drive optocoupler LED with

automatic current limiting for transmitting signals to primary side.

3

Power Supply

IC power supply.

4

DET

Analog Input

Connected to GND for standard PD applications.

5

Analog Input/

Output

6

Analog Input/

Output

gate-source voltage control.

7

CC2

Analog Input/

Output

Configuration Channel 2.

8

CC1

Analog Input/

Output

Configuration Channel 1.

9

SD

Analog Input/

Output

External shutdown control. Can be configured for external

over-temperature protection (OTP) by connecting an NTC resistor

from this pin to Ground.

10

D-

Analog Input/

Output

USB D- signal.

11

GND

Ground

Ground.

12

D+

Analog Input/

Output

USB D+ signal.

iW656

1

2

3

4

11

DIS

DRV

VCC

GND

D-

D+

5

6

7

10

9

8

SD

VBUS_S

VBUS_G

CC2

DET

CC1

12