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RE46C191 Datasheet(PDF) 2 Page - Microchip Technology

Part # RE46C191
Description  CMOS Low-Voltage Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode
PDF  44 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RE46C191 Datasheet(HTML) 2 Page - Microchip Technology

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RE46C191
DS20005225H-page 2
 2013-2023 Microchip Technology Inc. and its subsidiaries
Typical Block Diagram
Control
Logic and
Timing
Trimmed
Oscilator
POR and
BIAS
+
-
+
-
VDD (3)
IRCAP (11)
IRN (7)
IRED (2)
TEST (4)
R4
R3
LX (16)
FEED (10)
HS (14)
VBST (15)
RLED (8)
GLED (9)
HB (13)
IRP (6)
VSS (1)
Interconnect
+
-
Programmable
IRED Current
Programmable
Limits
Photo
Integrator
Precision
Reference
+
-
TEST2 (5)
Horn Driver
Level
Shift
IO (12)
Current
Sense
Boost Control
Boost Comparator
Low Battery
Comparator
Smoke
Comparator
Programming
Control
High
Normal
Hysteresis



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