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Datasheet Microchip RE46C191

ManufacturerMicrochip
SeriesRE46C191

The RE46C191 is a low voltage, low current programmable photoelectric smoke detector IC

Datasheets

  • Download » Datasheet, PDF, 950 Kb, Revision: 10-12-2017
    RE46C191 Data Sheet
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    RE46C191
    CMOS Low-Voltage Photoelectric Smoke Detector ASIC
    with Interconnect and Timer Mode
    Features: General Description: The RE46C191 is a low-power, low-voltage CMOS
    photoelectric-type smoke detector IC. With minimal
    external components, this circuit provides all the
    required features for a photoelectric-type smoke
    detector. Two AA Battery Operation
    Low Quiescent Current Consumption
    Local Alarm Memory
    Interconnect up to 40 Detectors
    Nine-Minute Timer for Sensitivity Control
    Temporal or Continuous Horn Pattern
    Internal Low Battery and Chamber Test
    All-Internal Oscillator
    Internal Infrared Emitter Diode (IRED) Driver
    Adjustable IRED Drive Current
    Adjustable Hush Sensitivity
    Two percent Low Battery Set Point
    Pin-for-Pin Compatible with RE46C190 The design incorporates a gain-selectable photo
    amplifier for use with an infrared emitter/detector pair.
    To keep the standby current to a minimum, an internal
    oscillator strobes power to the smoke detection ...

Prices

Status

RE46C191S16FRE46C191S16TF
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

RE46C191S16FRE46C191S16TF
PackageSOICSOIC
Pins1616

Parametrics

RE46C191S16FRE46C191S16TF
Alarm InterconnectYesYes
Alternate Diagnostics ModeNoNo
Chamber TestYesYes
Horn Driver Alarm PatternNFPA Temporal or Continuous ToneNFPA Temporal or Continuous Tone
Internal PORYesYes
Low Battery DetectYesYes
Operating Temperature, °C60 to -1060 to -10
Operating Temperature Range, °C-10 to +60-10 to +60
Operating Voltage, Vdc2V to 5V2V to 5V
Sensitivity TimerYesYes

Eco Plan

RE46C191S16FRE46C191S16TF
RoHSCompliantCompliant

Moldel Line

Series: RE46C191 (2)

Manufacturer's Classification

  • CO and Smoke Detection > CO and Smoke Detector ICs > Photoelectric Smoke Detector ICs

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