CAT9552 ONSEMI [ON Semiconductor], CAT9552 Datasheet - Page 2

• Manufacturer Part Number: CAT9552
• Description: 16-Channel I2C-bus LED Driver with Programmable Blink Rate
• Manufacturer: ONSEMI [ON Semiconductor]

CAT9552
PIN CONFIGURATION
PIN DESCRIPTION
BLOCK DIAGRAM
RESET
Doc. No. MD-9005 Rev D
SDA
V
SCL
V
CC
SS
SOIC / TSSOP
13-20
4-11
12
21
22
23
24
—
1
2
3
Note: Only one I/O is shown for clarity
LED0
LED1
LED2
LED3
LED4
LED5
LED6
LED7
V
AO
A1
A2
SS
POWER ON
SOIC (W), TSSOP (Y)
FILTERS
INPUT
RESET
1
2
3
4
5
6
7
8
9
10
11
12
OSCILLATOR
24
23
22
21
20
19
19
17
16
15
14
13
TQFN
10-17
Pad
1-8
22
23
24
18
19
20
21
9
V
SDA
SCL
RESET
LED15
LED14
LED13
LED12
LED11
LED10
LED9
LED8
CC
A2
CONTROL
I
2
C BUS
A1
LED8 - LED15
A0
Backside pad
LED0 - LED7
PIN NAME
PRESCALER 0
PRESCALER 1
¯¯¯¯¯¯
RESET
REGISTER
REGISTER
SDA
SCL
V
V
AO
A1
A2
SS
CC
2
FUNCTION
Address Input 0
Address Input 1
Address Input 2
LED Driver Output 0 to 7, I/O Port 0 to 7
Ground
LED Driver Output 8 to 15, I/O Port 8 to 15
Reset Input
Serial Clock
Serial Data
Power Supply
For enhanced heat dissipation. Electrically this pad
must be at ground potential.
REGISTER
REGISTER
PWM 1
PWM 0
LED0
LED1
LED2
LED3
LED4
LED5
1
2
3
4
5
6
BLINK 0
BLINK 1
TQFN (HV6, HT6)
LED SELECT (LSx)
Characteristics subject to change without notice
REGISTER
REGISTER
CONTROL
INPUT
LOGIC
© 2010 SCILLC. All rights reserved
18
17
16
15
14
13
CAT9552
RESET
LED15
LED14
LED13
LED12
LED11
LEDx