PT6959_10 Datasheet, PDF (17/20 Pages) Princeton Technology Corp – LED Driver IC

LED Driver IC
APPLICATION CIRCUIT
0.1µF
MCU
+5V
51K
S1
S2
S3
S4
S5
S6
S7
S8
S9
OSC
DIN
CLK
STB
VDD
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
NC
NC
GND
GR1
GR2
GR3
GR4
VDD
GND
SG14/GR5
SG13/GR6
SG12/GR7
SG11
SG10
G1
G2
G3
G4
+5V
S14
S13
S12
S11
S10
Tel: [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
PT6959
G1
G2 ^DIGIT1
G3 ^DIGIT2
G4
DIGIT3
DIGIT4
S1 _SEG1
S2 _SEG2
S3 _SEG3
S4
S5
S6
SEG4
SEG5
SEG6
S7 _SEG7
S8
S9
SEG8
SEG9
S10
S 11
S12
S13
SEG10
SEG11
SEG12
SEG13
S14 _SEG14
Notes:
1. The capacitor (0.1µF) connected between the GND and VDD Pins must be located as near as
possible to the PT6959 chip.
2. The PT6959 power supply is separate from the application system power supply.
SE G1
a
SE G2
b
SE G3
c
SE G4
d
SE G5
e
SE G6
f
SE G7
g
SE G8
h
COM/DIG ITAL (GRID)
f
e
a
b
g
c
d
o^h
PT6959 V1.5
- 17 -
June, 2005