Smoke & heat detector

Products and reference designs

Smoke & heat detector

Block diagram

Overview

Wireless connectivity, audio and multiple sensing (temperature, humidity and motion) are new trends in smoke and heat detectors. Our integrated circuits and reference designs help you solve challenges from emerging standards and technologies such as photoelectric, ionization, and heat/carbon dioxide detection.

Design requirements:

Smoke and heat detector designs often require:

  • Sensors at an optimized bill of material (BOM) cost that meet industry standards.
  • Ten-year battery life with increased functionality.
  • Distinction between real and nuisance sources of smoke.
  • Various input power sources with a wide supply voltage range.
  • Efficient sensing of obstructions relative to detector placement.

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Block diagram

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Technical documentation

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Type Title Date
Technical articles Ditch the NTC thermistor: use an analog temp sensor instead 31 May 2013
Application note LPV801 Micropower Ionization Smoke Detector 29 Nov 2016
White paper Enabling tomorrow’s sensing applications with smart analog microcontrollers (Rev. A) 22 Nov 2019
Technical articles How to spin your stepper motor more efficiently – Part 2 22 May 2015
White paper Smart Analog Combo Enabling Tomorrow's Sensing and Measurement Applications (Rev. B) PDF | HTML 22 Aug 2018
Application note Comparing EMI Performance of LPV802 with Other Devices in a Gas Sensor App 18 Oct 2016
Technical articles Don’t miss out: New product demos featured at SPS IPC Drives 2015 18 Dec 2015
White paper Connected microcontrollers essential to automation in buildings (Rev. A) 15 Apr 2021
Application note Wireless Smoke Alarms With Sub-1GHz SimpleLink Wireless MCU (Rev. B) 13 Mar 2018
Application note Dual-Ray Smoke Detector Design With MSP430FR2355 MCUs 11 May 2022
Application note Dual-Ray Smoke Detector Design With MSP430FR2355 MCUs 11 May 2022
Application note How to Use the Smart Analog Combo in MSP430™ MCUs (Rev. A) PDF | HTML 10 May 2022
Application note How to Use the Smart Analog Combo and Transimpedance Amplifier on MSP430FR2311 (Rev. A) PDF | HTML 08 May 2022
Application note SC Temp Sensors Challenge Precision RTDs and Thermistors in Build Automation (Rev. A) 08 May 2019
Application note Power Cycling an IoT System with a Nano-power System Timer 06 Dec 2016
Technical articles A user interface that says "hello" 05 Nov 2014
Circuit design Driving a SAR ADC directly without a front-end buffer circuit (Rev. A) 03 Dec 2021
Application note Precision Voltage Offset: When Does it Matter? (Rev. A) 02 Nov 2016

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