pca9634 NXP Semiconductors, pca9634 Datasheet - Page 6
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pca9634
Manufacturer Part Number
pca9634
Description
Pca9634 8-bit Fm I2c-bus Led Driver
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9634.pdf
(37 pages)
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NXP Semiconductors
PCA9634_4
Product data sheet
Table 2.
Table 3.
[1]
Symbol
V
LED4
LED5
LED6
LED7
OE
A5
A6
SCL
SDA
V
Symbol
A2
A3
A4
LED0
LED1
LED2
LED3
V
LED4
LED5
LED6
LED7
OE
A5
A6
SCL
SDA
V
A0
A1
SS
DD
SS
DD
[1]
HVQFN package die supply ground is connected to both the V
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.
Pin description for SO20 and TSSOP20
Pin description for HVQFN20
Pin
10
11
12
13
14
15
16
17
18
19
20
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Type
power supply
O
O
O
O
I
I
I
I
I/O
power supply
Type
I
I
I
O
O
O
O
power supply
O
O
O
O
I
I
I
I
I/O
power supply
I
I
Rev. 04 — 5 January 2007
Description
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
Description
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
address input 0
address input 1
…continued
SS
pin and the exposed center pad. The V
8-bit Fm+ I
PCA9634
2
© NXP B.V. 2007. All rights reserved.
C-bus LED driver
6 of 37
SS