Datasheet

Sensors
Freescale Semiconductor 7
MC146010
A
rchived by Freescale Semiconductor, Inc., 2009
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Figure 5. Typical Battery Powered Application
# Values for R4, R5 and C6 may differ depending on type of horn used.
* C2 and R13 are used for coarse sensitivity adjustment. Typical values are shown.
† R9 is for fine sensitivity adjustment (optional). If fixed resistors are used, R8 = 12k, R10 is 5.6k to 10k and R9 is eliminated.
** Components necessary to utilize IMF feature.
R8
8.2 kΩ
R9
5.0 k
Ω
R10
4.7 k
Ω
R12
1.0 k
Ω
IR Current
4.7 to 22
Ω
C5
100
μ F
C1
C2
R15
R14
1 M
Ω
R11
D2
IR Detector
IR Emitter
D3
Q1
To other
MC146010(s)
Escape light(s)
Auxiliary Alarm(s)
Remote(s)
And/Or Dialer
C4
22
μ F
+
9.0 V
B1
D1
Reverse
Polarity
Protect.
Circuit
SW1
SW2
Silence Feature
(Option)
Silence
Button
Pushbutton
Te st
R16 = 3.0 M
Ω
R6
100 kΩ
R7
47 kΩ
R1 = 100 k Ω
C3 = 1500 pF
R2 = 10 M Ω
C6
0.01
μ F
R4 = 2.2 M
Ω
R3 = 470 Ω
D4 Visible
LED
HORN
X1
R5 = 100 k Ω
C1
C2
DETECT
STROBE
V
DD
IRED
I/O
BRASS
TEST & SILENCE
LOWBATT
V
SS
R1
OSC
LED
FEEDBACK
SILVER
MC146010