Smoke & heat detector

Products and reference designs

Smoke & heat detector

Block diagram


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
More literature LPV801 Micropower Ionization Smoke Detector 29 Nov 2016
Technical articles Roll with the design punches and overcome power-sequencing challenges 29 Jul 2019
Technical articles Knowing Where to Tap 25 Jun 2013
More literature Enabling tomorrow’s sensing applications with smart analog microcontrollers (Rev. A) 22 Nov 2019
Technical articles Improving DDR memory performance in automotive applications 22 Jun 2017
More literature Smart Analog Combo Enabling Tomorrow's Sensing and Measurement Applications (Rev. B) PDF | HTML 22 Aug 2018
More literature Comparing EMI Performance of LPV802 with Other Devices in a Gas Sensor App 18 Oct 2016
More literature Connected microcontrollers essential to automation in buildings (Rev. A) 15 Apr 2021
More literature Wireless Smoke Alarms With Sub-1GHz SimpleLink Wireless MCU (Rev. B) 13 Mar 2018
More literature Dual-Ray Smoke Detector Design With MSP430FR2355 MCUs 11 May 2022
More literature Dual-Ray Smoke Detector Design With MSP430FR2355 MCUs 11 May 2022
More literature How to Use the Smart Analog Combo in MSP430™ MCUs (Rev. A) PDF | HTML 10 May 2022
Technical articles How an automotive ADC can help designers achieve functional safety in ADAS 09 Jun 2020
More literature How to Use the Smart Analog Combo and Transimpedance Amplifier on MSP430FR2311 (Rev. A) PDF | HTML 08 May 2022
More literature SC Temp Sensors Challenge Precision RTDs and Thermistors in Build Automation (Rev. A) 08 May 2019
More literature Power Cycling an IoT System with a Nano-power System Timer 06 Dec 2016
Circuit design Driving a SAR ADC directly without a front-end buffer circuit (Rev. A) 03 Dec 2021
More literature Precision Voltage Offset: When Does it Matter? (Rev. A) 02 Nov 2016

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