HT7612/HT7612B
R10
D
S
R1
56K
C3
R2
2
OP1N
R7
1M
3
OP1O
C6
0.02uF
BUZ/LVD
14
W1
13
BUZB/CDS
Buzzer
Jumper
ON
5
OP2O
MODE
12
2
AUTO
OFF
R15
6
R6
1M
C4
1uF
7
C8
3nF
8
VSS
VDD
9
C12
0.1uF
TD
TRIAC
10
0.1uF
Vref
RELAY/LED
11
LED
1K
C15
R19
68
Triac
3
R18
10K
1
D3
5V
D2
22K
R3
22K
4
OP2N
R5
1M
C7
0.02uF
22uF
C2
22uF
G
PIR
ZC
C1
0.02uF
OP1P
TEST/SC
1
16
CDS
15
R16
R9
1M
100 /2W
1M
R11
2.4M
R20
1M
R17 680K
C10
0.68uF/
350V
AC 110V
1N4004
C11
100uF
D4
1N4004
Adjust R9 to fit various CDS.
Adjust R6 to obtain the desired output duration.
Adjust R5 to change PIR sensitivity.
Change the value of C10 to 0.33mF/600V for AC 220V application.
HT7612/HT7612B
GND
LAMP1
Lamp for TRIAC
Application Circuit
AC Power Application
Rev. 1.50
·
TRIAC
Note:
10
February 21, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
