A single-chip CMOS smoke and temperature sensor for an intelligent fire detector

Jimin Cheon; Jeonghwan Lee; Inhee Lee; Youngcheol Chae; Youngsin Yoo; Gunhee Han

doi:10.1109/JSEN.2009.2024703

A single-chip CMOS smoke and temperature sensor for an intelligent fire detector

Jimin Cheon, Jeonghwan Lee, Inhee Lee, Youngcheol Chae, Youngsin Yoo, Gunhee Han

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

A single-chip CMOS smoke and temperature sensor for use as an intelligent fire detector is proposed. The proposed smoke sensor measures smoke density based on the light-scattering method. The temperature sensor is integrated with the smoke sensor not only to sense heat from a fire but also to compensate for the temperature dependency of the smoke sensor. The prototype chip includes an on-chip photodiode (PD), pixel circuit, correlated double sampling (CDS) circuit, and analog-to-digital converter (ADC). The prototype chip was fabricated using a 0.35-$\mu$ m CMOS process and was placed inside the smoke detection chamber, while the thermistor for the temperature sensor is placed outside the chamber. The measurement results show $\pm$ 1% smoke detection accuracy over the range 4% $\sim$ 25% and $\pm 1~^{\circ}\hbox{C}$ temperature-sensing accuracy over the range $25~^{\circ}\hbox{C}\sim 95~^{\circ}\hbox{C}$. The power consumption of the prototype chip is 220 nW, excluding the infrared light-emitting diode (IR LED).

Original language	English
Article number	5153565
Pages (from-to)	914-921
Number of pages	8
Journal	IEEE Sensors Journal
Volume	9
Issue number	8
DOIs	https://doi.org/10.1109/JSEN.2009.2024703
Publication status	Published - 2009 Aug

Bibliographical note

Funding Information:
Manuscript received January 28, 2009; revised April 11, 2009; accepted May 07, 2009. Current version published June 26, 2009. This work was supported in part by the Ministry of Knowledge Economy, Korea, under the Next Generation Growth Engine Semiconductor Support Program. This is an expanded paper from the 2008 IEEE Sensors Conference and was published in its proceedings. The associate editor coordinating the review of this paper and approving it for publication was Prof. Kiseon Kim.

All Science Journal Classification (ASJC) codes

Instrumentation
Electrical and Electronic Engineering

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10.1109/JSEN.2009.2024703

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title = "A single-chip CMOS smoke and temperature sensor for an intelligent fire detector",

abstract = "A single-chip CMOS smoke and temperature sensor for use as an intelligent fire detector is proposed. The proposed smoke sensor measures smoke density based on the light-scattering method. The temperature sensor is integrated with the smoke sensor not only to sense heat from a fire but also to compensate for the temperature dependency of the smoke sensor. The prototype chip includes an on-chip photodiode (PD), pixel circuit, correlated double sampling (CDS) circuit, and analog-to-digital converter (ADC). The prototype chip was fabricated using a 0.35-$\mu$ m CMOS process and was placed inside the smoke detection chamber, while the thermistor for the temperature sensor is placed outside the chamber. The measurement results show $\pm$ 1% smoke detection accuracy over the range 4% $\sim$ 25% and $\pm 1~^{\circ}\hbox{C}$ temperature-sensing accuracy over the range $25~^{\circ}\hbox{C}\sim 95~^{\circ}\hbox{C}$. The power consumption of the prototype chip is 220 nW, excluding the infrared light-emitting diode (IR LED).",

author = "Jimin Cheon and Jeonghwan Lee and Inhee Lee and Youngcheol Chae and Youngsin Yoo and Gunhee Han",

note = "Funding Information: Manuscript received January 28, 2009; revised April 11, 2009; accepted May 07, 2009. Current version published June 26, 2009. This work was supported in part by the Ministry of Knowledge Economy, Korea, under the Next Generation Growth Engine Semiconductor Support Program. This is an expanded paper from the 2008 IEEE Sensors Conference and was published in its proceedings. The associate editor coordinating the review of this paper and approving it for publication was Prof. Kiseon Kim.",

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AU - Han, Gunhee

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A single-chip CMOS smoke and temperature sensor for an intelligent fire detector

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