Touch switch circuit diagram

Published:2011/3/30 20:40:00 Author:Jessie | Keyword: Touch switch | From:SeekIC

In beginning, J inthe state of losing electricity. When using, handle the open, the human body induction signal amplified by BG1 ~BG3, J sucks close, meanwhile J - 1 sucks and make J self-locked. When need to shut off, handle the close, the human body induction signal amplified by BG4 ~BG5, bypass BG2 base current, J release, circuit is back again. When making circuit BG1 ~ BG5's BVceo > 30V, BG1, BG3, BG4, BG5's β>50, BG2's β>80, the unit of capacitance is µF/V. After installeditcan work without debugging. When this switch device shuts off the power, power consumption is close to zero, turn-on'spower < 0.5 W, switch devices using voltage range> 130V ~ 250V.



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