IK2108A Datasheet, PDF (1/21 Pages) IK Semicon Co., Ltd – LED Driver IC

TECHNICAL DATA
LED Driver IC
Description
IK2108A
The IK2108A are anode-grid LED display drives 5.0V~18.0V with output size – 8 digits x
14 segments to 12 digits x 10 segments and addition key scan function.
Serial interface provides connection with microprocessor.
Features
• Operation voltage for digital part: 3.0V ~ 5.5V
• Operation voltage for output LEDs: 5.0V ~ 18.0V
• 7-step individual dimming control for each grid
• OSC: built in (with external resistor) 500kHz @ R=12.1kΩ
• Pulse segment current: 27mA @ 8 digits x 14 segments
39mA @ 12 digits x 10 segments
• Key scanning: 10x3 matrix
• Serial Interface
• Operation Temperature : -40 ~ 85°C
Application
SOP-32
LQFP-32
• Washing machine,refregerator, microwave oven, conditioner and other
Device
IK2108ADW
IK2108ADWT
IK2108ALQ
ORDERING INFORMATION
Operating
Temperature Range
TA = -40 to 85 C
Package
SOP 32
SOP 32
LQFP-32
Shipping
Tube
Tape&Reel
Tape&Reel
Pin Description IK2108A (32Pins)
RCUR
DI/O
CLK
STB
K1
K2
K3
VDD
GND
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
1
2
3
4
5
6
IK2108A
7
8
9
10
11
12
13
14
15
16
32
GR1
31
GR2
30
GR3
29
GR4
28
GR5
27
GR6
26
GR7
25
GR8
24
VCC
23
SG14/GR9
22
SG13/GR10
21
SG12/GR11
20
SG11/GR12
19
SG10/KS10
18
SG9/KS9
17
SG8/KS8
1
May 2012, Ver. 03