Preliminary
Patent No.:
M371298 (Taiwan)
ZL 2010 2 0300629.5 (CHINA)
TTP112
APPLICATION CIRCUIT
TTP112-ADA Application
Note : RI, CI, R_TCK, R_TI VALUE Ref. Touch Plate(maybe modify)
LED
R0
Led Power
Adaptor
AC
110V/60Hz
220V/50V
Power
12V
Note : Led Power = 12V
Led Power = 24V
R1 = 2K
R1 = 4.7K
NMOS
AT
SCK
1
2
3
4
5
6
7
14
13
12
11
10
M2
BU
TSCK
5.1V
ZD2
SW4
+
SEL
ISEN
VSS
C3
0.1UF
C4
10UF
SW1
SW2
BUZZER
VDD
NSSEL
SW3
TSSEL
VCHK
TI
VIO
CI
2M
RI
9
No. Name
Value
No. Name
Value
ZD 3.3V
VDD=5V
2Kohm@12V
8
ZD1
R1
R2
1
11
C4
D1
10uF/16V
1N4148
+
4.7Kohm@24V
2.2UF
2
3
12
13
14
15
16
17
18
19
20
1K
100K
68K
CI
D1
D2
R_CK
R_TCK
RI
D2
1N4148
3.3V
1N4148
1N4148
4
ZD1
2M
5.1V
5
6
ZD2
Buzzer
NMOS
--
R_TI
3K
4.0KHZ
Touch Plate
2.2uF
1000pF/1KV
7
CI
ref LED
1000pF/1KV 1000pF/1KV
8
C1
C2
9
1000pF/1KV
0.1uF
--
--
10
C3
TTP112-BOB Application
Note : RI, CI, R_TCK, R_TI VALUE Ref. Touch Plate(maybe modify)
LED
R0
Led Power
Adaptor
AC
110V/60Hz
220V/50V
Power
12V
NMOS
M2
Note : Led Power = 12V
Led Power = 24V
R1 = 2K
R1 = 4.7K
NC
SCK
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
AT
TSCK
SEL
BU
SW4
SW3
SW1
SW2
ISEN
5.1V
ZD2
+
VDD
C3
0.1UF
C4
10UF
VSS
BUZZER
NSSEL
VCHK
TSSEL
VIO
CI
TI
2M
RI
No. Name
Value
No. Name
Value
TTP112B
ZD 3.3V
VDD=5V
2Kohm@12V
ZD1
R1
R2
1
11
C4
D1
10uF/16V
1N4148
+
4.7Kohm@24V
2.2UF
2
3
12
13
14
15
16
17
18
19
20
1K
CI
D1
D2
100K
R_CK
D2
1N4148
1N4148
1N4148
4
68K
2M
ZD1
R_TCK
3.3V
5.1V
5
6
RI
ZD2
R_TI
3K
Buzzer
4.0KHZ
ref LED
Touch Plate
2.2uF
NMOS
7
CI
1000pF/1KV 1000pF/1KV
1000pF/1KV
8
C1
C2
--
--
--
9
1000pF/1KV
0.1uF
10
C3
12’/07/12
Page 7 of 12
Ver 1.0
Reference Only
TTELEC [ TT Electronics ]
