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RE46C145
  • RE46C145
  • RE46C145
  • RE46C145

RE46C145

In Production

The RE46C145 is low power CMOS photoelectric type smoke detector IC. With minimal external components this circuit will provide all the required features for a photoelectric type smoke detector. It has low quiescent current, temporal horn pattern, and can connect up to 40 detectors using the built-in alarm IO.

Microchip Technology RE46C145 Product Info

16 April 2026 0

Parameters

Operating Temp Max °C (degrees Celsius)

75

Operating Temp Min °C (degrees Celsius)

-25

Operating Voltage Max V (volt)

12

Operating Voltage Min V (volt)

6

Type

Photoelectric

Typical Iq

4

Features

  • Internal Power On Reset
  • Low Quiescent Current Consumption
  • Available in 16L PDIP or 16L N SOIC
  • ESD Protection on all Pins
  • Interconnect up to 40 Detectors
  • 10 Minute Timer for Sensitivity Control
  • Temporal Horn Pattern
  • Internal Low Battery and Chamber Test
  • Compatible with Allegro A5366
  • Alternate Diagnostic Mode
  • Available in Standard Packaging or RoHS Compliant Pb Free Packaging

Description

The RE46C145 is low power CMOS photoelectric type smoke detector IC. With minimal external components this circuit will provide all the required features for a photoelectric type smoke detector. It has low quiescent current, temporal horn pattern, and can connect up to 40 detectors using the built-in alarm IO.

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