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SHANGHAI BELLING - (BL59A10 / BL59S10) PHOTOELECTRIC SMOKE DETECTOR IC

Numéro de référence BL59A10
Description (BL59A10 / BL59S10) PHOTOELECTRIC SMOKE DETECTOR IC
Fabricant SHANGHAI BELLING 
Logo SHANGHAI BELLING 





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BL59A10 fiche technique
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BL59A10/BL59S10
PHOTOELECTRIC SMOKE DETECTOR IC
1. Product description
1.1. Basic function:
BL59A10/BL59S10 is a CMOS LSI used for smoke detection. Ultra-low power analog and
digital circuits are contained in it. Combined with an IR photoelectric chamber, this IC is used to
detect smoke through receiving light scattered by tiny smoke particles going into the chamber.
When smoke is detected, A burst of alarm sounds are generated by an external piezoelectric
buzzer driven by the push-pull output of this IC.
1.2. Applications:
Smoke detection system.
2. Features:
Power supply range:
6V 12V
Average supply current: 12uA
Operating temperature range: -10 60
Ideal for battery powered applications.
3. Block diagram of this IC
DETECT 3
C1 C2
12
AMP
REF1
COMP
I/O
7
ALARM
LOGIC
8
9
10
BRASS
SILVER
FEEDBACK
0SC
R1
TEST
12
13
16
STROBE
LOW-SUPPLY
TIMING
LOGIC
7
15
REF2
COMP
6 IRED
11 LED
PIN5=Vdd
PIN14=Vss
4. Pin assignment
C1
C2
Detect
Strobe
Vdd
IRED
I/O
Brass
1
2
3
4
5
6
7
8
16 Test
15 Low-Supply
14 Vss
13 R1
12 Osc
11 LED
10 Feedback
9 Silver
http://www.belling.com.cn
-1-
Total 8 Pages
8/28/2006
Wrote by 2006

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