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NXP Semiconductors
PCA9532
16-bit I 2 C-bus LED dimmer
5.2 Pin description
Table 2.
Pin description
Symbol
Pin
SO24,
TSSOP24
HVQFN24
Description
A0
A1
A2
LED0
LED1
LED2
LED3
LED4
LED5
LED6
LED7
V SS
LED8
LED9
LED10
LED11
LED12
LED13
LED14
LED15
RESET
SCL
SDA
V DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
22
23
24
1
2
3
4
5
6
7
8
9 [1]
10
11
12
13
14
15
16
17
18
19
20
21
address input 0
address input 1
address input 2
LED driver 0
LED driver 1
LED driver 2
LED driver 3
LED driver 4
LED driver 5
LED driver 6
LED driver 7
supply ground
LED driver 8
LED driver 9
LED driver 10
LED driver 11
LED driver 12
LED driver 13
LED driver 14
LED driver 15
reset input (active LOW)
serial clock line
serial data line
supply voltage
PCA9532_4
[1]
HVQFN24 package die supply ground is connected to both V SS pin and exposed center pad. 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. 2009. All rights reserved.
Product data sheet
Rev. 04 — 17 March 2009
4 of 29
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