CO and Smoke Detector ICs

Microchip

CO and Smoke Detector ICs

Smoke Detector ICs

Microchip’s ionization and photoelectric smoke detector IC families provide all the components necessary for ionization or photoelectric type smoke detectors.

Features

  • Low battery detection
  • Reverse battery protection
  • Temporal continuous tone pattern horn driving
  • Low current, low power operation
  • SOIC or PDIP package
  • Interconnect pin

For Selected Detectors

  • Interconnect for sounding multiple connected units
  • Sensitivity timer
  • Internal power on reset
  • Reverse battery protection
  • Diagnostic mode for production calibration

CO Detector ICs

Microchip offers low power CO detector companion ICs for CO detectors and security applications.

Microchip’s CO detector ICs provide all the necessary functions to build a CO or toxic gas detector.

Features

  • Power Management System
  • Boost Regulator
  • High Performance Op Amp
  • Microcontroller Voltage Regulator
  • Piezoelectric Horn Driver
  • LED driver
  • Bidirectional Interconnect


 

Piezoelectric Horn Driver ICs

Microchip offers a family of Piezoelectric Horn Driver ICs for low voltage operation.

The horn driver series of ICs offer a variety of low voltage operation for driving piezoelectric horns: 6 to 16V, 6 to 12V, 4 to 8V and 2 to 5V. The offering ranges from simple driver ICs to more highly integrated driver ICs, including many of the functions needed for safety and security applications.

Features

  • SOIC or PDIP package
  • Low voltage horn driving
  • Low current, low power operation

For Selected Detectors

  • Charge pump
  • Power good indicator
  • Boost switcher
  • LDO
  • LED driver
  • Low battery indicator
  • Brownout detection
  • Interconnect for sounding multiple connected units

 

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