HT7612/HT7612B
R10
D
S
R1
56K
C3
R2
2
OP1N
ZC
R7
1M
3
OP1O
BUZ/LVD
14
W1
13
Buzzer
Jumper
ON
5
OP2O
MODE
12
2
AUTO
OFF
6
Vref
R6
1M
C4
1uF
C8
3nF
8
VSS
VDD
9
C12
0.1uF
7
TD
TRIAC
10
D2
1N4004
RELAY/LED
11
3
1
C9
10uF
HT7150-1
3
OUT
GND
1
D3
24V
C11
IN
2
1
C6
0.02uF
15
R9
1M
22K
R3
22K
4
OP2N
R5
1M
C7
0.02uF
22uF
C2
22uF
BUZB/CDS
G
PIR
C1
0.02uF
CDS
OP1P
TEST/SC
1
16
1M
R11
2.4M
R19
1M
R17 680K
R16
C10
100
/2W
0.68uF/
350V
2
D4
Bridge1
3
AC 110V
4
100uF/50V
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
R14
10K
LED
R15
1K
GND
Q1
8050
RELAY1
Relay-SPST
LAMP1
Lamp for RELAY
Rev. 1.50
·
RELAY
Note:
11
February 21, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
