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

3 of 9

08-Dec-2017

Figure 3.3 : iW657P Typical Application Circuit with Secondary-Side Current Sensing

(with iW1781 as the Primary-Side Controller and the iW676 as the Synchronous Rectifier Controller)

U1

iW1781

V

SENSE

SD

V

CC

GND

1

2

3

8

7

6

4

5

NTC

L

N

OUTPUT

CS/CDC

DLNK

ASU

V

IN

V

CC

1

2

3

6

5

4

+

GND

U3

iW676

DRAIN

SOURCE

OUT

+

BR1

AC

Input

U2

iW657P

1

2

14

13

3

12

DIS

DRV

V

CC

GND

D-

D+

4

5

6

11

10

9

SD

V

BUS

V

BUS_G

CC2

DET

CC1

+

7

8

IS+

IS-

CC2

CC1

GND

+

-

USB Type-C

Socket

D+

D-