Smoke Detector Circuits

The Photoelectrcic Smoke Detector ICs have two series: 9V Supply and 3V Supply.The 9V supply smoke detector ICs integrate push button test,low supply alarm,degraded chamber sensitivity alarm,etc. The 3V supply smoke detector ICs integrate push button test,low supply alarm,degraded chamber sensitivity alarm, hush mode, etc.The 3V supply products work with ultro low quiescent current consumption,and can meet the requirement of 10 year life easily.
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