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CS9803

PDF Page Organizer - Foxit Software
Semic
General Description
CS9803
Infrared Induction Control IC
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................................................................-0.5VDD+0.5V Storage Temperature................................................................-55+150 Power Dissipation....................................................................... 500mW
Pin Description
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name UOU1 NII1 II1 VREF GND TB QTEST TCI CDS TRIAC RELAY ZCD VDD 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
PDF Page Organizer - Foxit Software CS9803
Electrical Characteristics
Min. 4.5 -2.8 200 --50 ---
Typ. 5 -3.1 -60 -----
Max. 5.5 1 3.3 --15 -5 5
Application Circuit
1 TRIAC Application
12 ZCD
1M FUSE1
VDD 13 470uF 5.1V
BT136 600E
1M 1M 4.7k 0.01uF 100k RES2 100p
TRIAC 10 330 8 TCI 7 QTEST 6 TB 4 VREF
100uF
CS9803GP
RELAY 11
0.01u / 250V
47 100k
47K 0.01uF
2 NII1 II1 UOU1NII2 II2 UOU2 3 1 15 14 330k16
1220k 47nF 47uF 15k 47nF-68nF 22uF
2k -220uF
2 RELAY Application
2.4k 470uF 100uF 20V / 1W RELAY 5.6k
VDD 13
1M 1M 4.7k 3.3-10nF 100k RES2 100p 100uF
TRIAC 10 8 TCI 7 QTEST 6 TB 4 VREF
CS9803GP
RELAY 11
0.47uF 100
FUSE1
47k 10nF
2 NII1 II1 UOU1 NII2 II2 UOU2 3 1 15 14 330k 16
1220k 22uF 15k 47nF-68nF 47nF 47uF
0.047uF
2k -220uF