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PDF RE46C152 Data sheet ( Hoja de datos )

Número de pieza RE46C152
Descripción CMOS Ionization Smoke Detector ASIC
Fabricantes Microchip Technology 
Logotipo Microchip Technology Logotipo



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R&E International
A Subsidiary of Microchip Technology Inc.
RE46C152
CMOS Ionization Smoke Detector ASIC with Interconnect, Timer Mode and Tone Select
Product Specification
General Description
Features
The RE46C152 is a low power CMOS ionization type
smoke detector IC. With few external components this
circuit will provide all the required features for an
ionization type smoke detector.
An internal oscillator strobes power to the smoke
detection circuitry for 10.5mS every 1.66 seconds to
keep standby current to a minimum. A check for a low
battery condition is performed every 40 seconds when
in standby. The Tone input allows for selection of a
temporal pattern or a 2/3 duty cycle continuous tone.
The temporal horn pattern supports the NFPA 72
emergency evacuation signal.
An interconnect pin allows multiple detectors to be
connected such that when one units alarms all units will
sound.
An internal 8 minute timer allows for a separate button
to be used for reduced sensitivity mode. Single button
operation for test and timer mode is also possible.
Although this device was designed for smoke detection
utilizing an ionization chamber it could be used in a
variety of security applications.
Utilizing low power CMOS technology the RE46C152
was designed for use in smoke detectors that comply
with Underwriters Laboratory Specification UL217 and
UL268.
>1500V ESD Protection (HBM) on all Pins
Guard Outputs for Ion Detector Input
+/-0.75pA Detect Input Current
Internal Reverse Battery Protection
Low Quiescent Current Consumption (<6.5uA)
16L PDIP
Internal Low Battery Detection
Power Up Low Battery Test
Interconnect up to 40 Detectors
Pin selectable horn patterns
8 Minute Timer for Sensitivity Control
Available in RoHS Compliant Pb Free Packaging.
Pin Configuration
TSTART
IO
TONE
TSTROBE
LED
VDD
RBIAS
FEED
1
2
3
4
5
6
7
8
16 GUARD2
15 DETECT
14 GUARD1
13 VSEN
12 OSCAP
11 HS
10 HB
9 VSS
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Input Voltage Range Except FEED, IO
FEED Input Voltage Range
IO Input Voltage Range
Reverse Battery Time
Input Current except FEED
Operating Temperature
Storage Temperature
Maximum Junction Temperature
SYMBOL
VDD
Vin
Vinfd
Vio1
TRB
Iin
TA
TSTG
TJ
VALUE
15
-.3 to Vdd +.3
-10 to +22
-.3 to 17
5
10
-10 to 60
-55 to 125
150
UNITS
V
V
V
V
S
MA
°C
°C
°C
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are
stress ratings only and operation at these conditions for extended periods may affect device reliability.
This product utilizes CMOS technology with static protection; however proper ESD prevention procedures should be used
when handling this product. Damage can occur when exposed to extremely high static electrical charge.
© 2009 Microchip Technology Inc.
DS22175A-page 1

1 page




RE46C152 pdf
www.DataSheet.in
RE46C152
CMOS Ionization Smoke Detector ASIC with Interconnect,
Timer Mode and Tone Select
Product Specification
R&E International
A Subsidiary of Microchip Technology Inc.
Functional Block Diagram
© 2009 Microchip Technology Inc.
DS22175A-page 5

5 Page





RE46C152 arduino
www.DataSheet.in
RE46C152
CMOS Ionization Smoke Detector ASIC with Interconnect,
Timer Mode and Tone Select
Product Specification
R&E International
A Subsidiary of Microchip Technology Inc.
Oscillator
Internal Clock
TSTART
LED
TSTROBE
Timing Diagram (Timer Mode)
10.5mS
1.67S
TLOF3
Outputs High Z
TTPER
© 2009 Microchip Technology Inc.
DS22175A-page 11

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