Preliminary
Patent No.:
M371298 (Taiwan)
ZL 2010 2 0300629.5 (CHINA)
TTP112
TTP112-CDA Application
Direct Mode
Note : RI, CI, R_TCK, R_TI VALUE Ref. Touch Plate(maybe modify)
LED
Led Power
Adaptor
AC
110V/60Hz
220V/50V
Power
12V
Note : Led Power = 12V
Led Power = 24V
R1 = 2K
R1 = 4.7K
+5V
NMOS
R1
2K
AT
BU
SCK
1
2
3
4
5
6
7
14
13
12
11
10
M2
TSCK
5.1V
C4
SW4
+
SEL
ISEN
VSS
C5
10UF
BUZZER
0.1UF
VDD
ZD2
NSSEL
TSSEL
VCHK
TI
VIO
CI
2M
RI
No. Name
Value
No. Name
Value
10uF/16V
9
2Kohm@12V
R1
R2
ZD 3.3V
VDD=5V
1
11
C4
D1
8
ZD1
4.7Kohm@24V
+
3.3UF
CI
1N4148
2
3
12
13
14
15
16
17
18
19
20
1K
100K
68K
R_CK
R_TCK
RI
D2
1N4148
3.3V
TTP112C
D1
D2
1N4148
1N4148
4
ZD1
2M
5.1V
5
6
ZD2
Buzzer
NMOS
--
R_TI
2K
4.0KHZ
2.2uF
1000pF/1KV
Touch Plate
7
CI
ref LED
1000pF/1KV 1000pF/1KV
8
C1
C2
9
1000pF/1KV
0.1uF
--
--
10
C3
TTP112-DOB Application
Direct Mode
Led Power
Adaptor
AC
110V/60Hz
220V/50V
Power
12V
Note : Led Power = 12V
Led Power = 24V
R1 = 2K
NMOS
R1 = 4.7K
M2
+5V
BUZZER
NC
AT
NC
SCK
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
BU
TSCK
R1
2K
SW4
ISEN
SEL
VDD
VSS
TSSEL
VIO
5.1V
C4
NSSEL
VCHK
+
2M
RI
C5
10UF
0.1UF
ZD2
CI
TI
+
3.3UF
CI
TTP112D
ZD 3.3V
VDD=5V
ZD1
D1
1N4148
Touch Plate
1000pF/1KV 1000pF/1KV
D2
1N4148
Note : RI, CI, R_TCK, R_TI VALUE Ref. Touch Plate(maybe modify)
12’/07/12
Page 8 of 12
Ver 1.0
Reference Only
TTELEC [ TT Electronics ]
