PCA9634D,118【PDF 6/38 页】IC LED DRIVER RGBA 20-SOIC

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NXP Semiconductors

PCA9634

8-bit Fm+ I 2 C-bus LED driver

6.2 Pin description

Table 2.

Pin description

Symbol

Pin

SO20, TSSOP20

HVQFN20

Type

Description

A0

A1

A2

A3

A4

LED0

LED1

LED2

LED3

V SS

LED4

LED5

LED6

LED7

OE

A5

A6

SCL

SDA

V DD

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

19

20

1

2

3

4

5

6

7

8 [1]

9

10

11

12

13

14

15

16

17

18

I

I

I

I

I

O

O

O

O

power supply

O

O

O

O

I

I

I

I

I/O

power supply

address input 0

address input 1

address input 2

address input 3

address input 4

LED driver 0

LED driver 1

LED driver 2

LED driver 3

supply ground

LED driver 4

LED driver 5

LED driver 6

LED driver 7

active LOW output enable

address input 5

address input 6

serial clock line

serial data line

supply voltage

PCA9634_6

[1]

HVQFN20 package die supply ground is connected to both the V SS pin and the exposed center pad. The

V SS pin must be connected to supply ground for proper device operation. For enhanced thermal, electrical,

and board-level performance, the exposed pad needs to be soldered to the board using a corresponding

thermal pad on the board, and for proper heat conduction through the board thermal vias need to be

incorporated in the PCB in the thermal pad region.

? NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 06 — 12 September 2008

6 of 38

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