PCA9531 Philips Semiconductors (Acquired by NXP), PCA9531 Datasheet - Page 3

• Manufacturer Part Number: PCA9531
• Description: 8-bit I2C Led Dimmerthe PCA9531 is an 8-bit i C And Smbus I/o Expander Optimized For Dimming Leds in 256 Discrete Steps For Red/green/blue (RGB) Color Mixing And Back Light Applications. The PCA9531 Contains an Internal Oscillator With Two User Progr
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
PIN CONFIGURATION — SO, TSSOP
PIN DESCRIPTION
2003 Nov 10
9, 10, 11, 12
SO, TSSOP
8-bit I
NUMBER
4, 5, 6, 7
PIN
13
14
15
16
1
2
3
8
Figure 1. Pin configuration — SO, TSSOP
2
C LED dimmer
7, 8, 9, 10
NUMBER
2, 3, 4, 5
LED0
LED1
LED2
LED3
HVQFN
V
A0
A1
A2
SS
PIN
15
16
11
12
13
14
1
6
1
2
3
4
5
6
7
8
SW02039
16
15
14
13
SYMBOL
12
11
10
9
LED0-3
LED4-7
RESET
SCL
SDA
V
V
V
SDA
SCL
RESET
LED7
LED6
LED5
LED4
A0
A1
A2
DD
SS
DD
Address input 0
Address input 1
Address input 2
LED drivers 0-3
Supply ground
LED drivers 4-7
Active low reset input
Serial clock line
Serial data line
Supply voltage
3
FUNCTION
PIN CONFIGURATION — HVQFN
Figure 2. Pin configuration — HVQFN
LED0
LED1
LED2
A2
1
2
3
4
LED3
A1
TOP VIEW
V
A0
SS
LED4
V
DD
LED5
SDA
12
10
11
9
SCL
RESET
LED7
LED6
PCA9531
su01667
Product data