P9221-R Datasheet

© 2017 Integrated Device Technology, Inc.

5

April 4, 2017

1. Pin Assignments

Figure 1. Pin Assignments

COMM1

RSV4

GND

OUT

ALIGNX

ALIGNY

SINK

OUT

SCL

SDA

INT

OUT

VOSET

ILIM

RPPO

OUT

RPPG

DEN

OUT

COMM2

RSV5

GND

OUT

A

B

C

D

E

F

1

2

3

4

5

6

AC1

RSV3

TS

AC2

BST2

G

BST1

AC1

RSV2

RSV1

AC2

AC2

H

AC1

GND

GND

GND

GND

GND

GND

J

Bottom View

EN

VDD18

VDD5V

VRECT

VRECT

VRECT

VRECT

VRECT

VRECT

VRECT

VRECT

2. Pin Descriptions

Table 1.

Pin Descriptions

Pins

Name

Type

Function

A1

COMM1

O

Open-drain output used to communicate with the transmitter. Connect a 47nF capacitor from

AC1 to COMM1.

A2

ALIGNX

I

AC input for coil alignment guide. If not used, connect to GND through a 10kΩ resistor.

A3

SCL

I

A4

VOSET

I

Programming pin for setting the output voltage. Connect this pin to the center tap of a resistor

divider to set the output voltage. For more information, refer to section 8.2 for different output

voltage settings.