iW657P

USB Power Delivery 3.0 Controller with Integrated Current Sense

Supports Qualcomm Quick Charge 4+

Rev. 0.4 Preliminary

Product Summary

© 2017 Dialog Semiconductor

www.dialog-semiconductor.com

4 of 9

08-Dec-2017

4 Pinout Description

Figure 4.1 : 14-Lead TDFN 4x3mm Package

(Top View, Transparent)

iW657P

1

2

3

4

11

DIS

DRV

V

CC

GND

D-

D+

5

6

7

10

9

8

SD

CC2

V

BUS_G

CC1

DET

IS-

14

12

13

IS+

V

BUS

Pin Number

DFN-14

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

AC unplug detect.

5

Analog Input/

Output

6

Analog Input/

Output

Connect to external N-FET gate pin for gate-source voltage control.

7

CC2

Analog Input/

Output

Configuration Channel 2.

8

CC1

Analog Input/

Output

Configuration Channel 1.

9

IS-

Analog Input

Output current sensing terminal - (for current sensing resistor).

10

IS+

Analog Input

Output current sensing terminal + (for current sensing resistor).

11

SD

Analog Input/

Output

Connect to an external NTC resistor to measure the power adapter

temperature.

12

D-

Analog Input/

Output

USB D- signal.

13

GND

Ground

Ground.

14

D+

Analog Input/

Output

USB D+ signal.