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Semic
CS9803
Infrared Induction Control IC
General Description
The CS9803 is a p assive infra-red controller, using analog mixing digital design technique and manufactures by
CMOS process which can either driver TRIAC or RELAY depending on user’s choice.
With special noise immunity technique, CS9803 is the most stable passive i nfrared controller you can find o n the
market. More than thi s, there a re few components nee ded in i ts application circuit which can reduce material cos t and
increase competitive.
Features
Operating voltage: 4.5V5.5V (DC)
Operating current1mA
CDS input
Pulse output for TRIAC drive or level output for relay drive
Built-in 2-stage operational amplifier
Adjustable output on time duration
On –chip regulator for PIR sensor
Zero-crossing triggering
Application:
Home security system
Auto light system for garden, garage, hallway, staircase, porch, bathroom, etc.
Auto switch for ventilation fan
Auto notice system for office, storage, etc.
Package: DIP16
Absolute Maximum Ratings
Supply Voltage..............................................................................................................................................-0.36.0V
Operating Temperature...............................................................................................................................-25+70
Input Voltage................................................................................................................................-0.5~(VDD+0.5V
Storage Temperature................................................................................................................................-55+150
Power Dissipation.............................................................................................................................................. 500mW
Pin Description
No. Pin Name
1 UOU1
2 NII1
3 II1
4
5 GND
6 TB
VREF
7 QTEST
8 TCI
9 CDS
10 TRIAC
11 RELA
Y
12 ZCD
13 VDD
14
15
16
II2
NII2
UOU2
I/O
O
I
I
O
P
I
I
I
I
O
O
I
P
I
I
O
Function Description
First stage OP amp output
First stage OP amp positive input
First stage OP amp negative input
Stable reference voltage
System ground
System clock
Test only
To set up the timing of how long Triac or relay is active
Detect CDS
TRIAC output
RELAY output
Detect zero cross
Power ground
Second stage OP amp negative input
Second stage OP amp positive input
Second stage OP amp output
Vol: 2004-01
2004-12-28
1/2
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CS9803
Electrical Characteristics Ta=25VDD=5.0VVSS=0V
Symbol Characteristic
Test Condition
VDD Supply
voltage
IOP Operating current
VREF Stable
voltage
IREF Source current of VREF
Avo Op amp pen loop gain
---
no load
VOH=3.3V
IOL1 TRIAC sink current
IOH1 TRIAC source current
IOL2 RELAY sink current
IOH2 RELAY source current
Min. Typ.
4.5 5
--- ---
2.8 3.1
200 ---
--- 60
--- ---
50 ---
--- ---
--- ---
Max. Unit
5.5 V
1 mA
3.3 V
--- µA
--- dB
15 mA
--- µA
5 mA
5 mA
Application Circuit
1TRIAC Application
CDS
10uF
9 CDS
470k 12
ZCD
1M
VDD 13 470uF 5.1V
FUSE1
1M
1M 4.7k
0.01uF
100k
RES2
100p
100uF
8 TCI
7 QTEST
6 TB
4 VREF
CS9803GP
PIR
2 NII1
47K 0.01uF II1 UOU1NII2 II2 UOU2
3
1
1220k
15
14 330k16
22uF
-220uF
2k 47nF
47nF-68nF
47uF 15k
TRIAC 10 330
BT136
600E
RELAY 11
47
100k
GND
5
2RELAY Application
CDS
10uF
9 CDS
ZCD
5.1V
VDD 13
2.4k
470uF
100uF
20V/1W
1M
1M 4.7k
3.3--10nF
100k
RES2
100p
8 TCI
7 QTEST CS9803GP
6 TB
4 VREF
100uF
PIR
2 NII1
47k 10nF II1 UOU1 NII2 II2 UOU2
31
1220k
15
14 330k 16
22uF
2k
-220uF
47nF
47uF 15k
47nF--68nF
TRIAC 10
RELAY 11
GND
5
RELAY
5.6k
47k 0.47uF FUSE1
100
0.047uF
2/2