TTP233D-HA6新版芯片规格书.pdf

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1、TTP233D-HA6深圳芯派科技TEL:13530452646(唐生）ICQ：2944343362ICQ：2944353362单通道触摸感应开关TTP233D-HA6规格书Revision1.72014-04-25一级代理：深圳市芯片科技有限公司芯派TTP233D-HA61keyTouchPadDetectorICOutlineTMòTheTTP233D-HA6TonTouchisatouchpaddetectorICwhichoffers1touchkey.Thedevicebuilt-inregulatorfortouchsensor.Stablesensingmethodcancove

2、rdiversityconditions.ThetouchingdetectionICisdesignedforreplacingtraditionaldirectbuttonkeywithdiversepadsize.LowpowerconsumptionandwideoperatingvoltagearethecontactkeyfeaturesforDCorACapplication.CharacteristicòOperatingvoltage2.4V~5.5VòBuilt-inregulatorfortouchsensoròBuilt-inlowvoltagereset(LVR)fu

3、nctionòOperatingcurrent,@VDD=3VnoloadAtlowpowermodetypical2.5uA,maximum5uAòTheresponsetimemaxabout220mSatlowpowermode@VDD=3VòSensitivitycanadjustbythecapacitance（1~50pF）outsideòStabletouchingdetectionofhumanbodyforreplacingtraditionaldirectswitchkeyòProvidesLowPowermodeòProvidesdirectoutputortoggleo

4、utputselectionbypinoption(TOGpin)òQpinisCMOSoutputcanbeselectedactivehighoractivelowbypinoption(AHLBpin)òHavethemaximumontime16secòAfterpower-onhaveabout0.5secstable-time,duringthetimedonottouchthekeypad,andthefunctionisdisabledòAutocalibrationforlifeThere-calibrationperiodisabout1secwithin8secafter

5、power-on.Whenkeyhasbeentouchedwithin8secorkeyhasnotbeentouchedmorethan8secafterpower-on,thenthere-calibrationperiodchangeto4secApplicationsòWideconsumerproductsòButtonkeyreplacement2015/07/24Page1of8Version：1.0TTP233D-HA6BlockdiagramSensor&ISensoroscillatorReferenceQcircuitdetectingcircuitOutputmode

6、&drivercircuitTimingcounter&functionoptioncontrolcircuitTouchdetectingcircuitSystemoscillatorcircuitTOGKey-on&timingAHLBRegulatorcontrolcircuitPinDescriptionPinNOPinNameTypePinDescription1QOCMOSoutputpin2VSSPNegativepowersupply,ground3II/OInputsensorportOutputQactivehighorlowselection,4AHLBI-PL0(Def

7、ault)=>Activehigh;1=>Activelow5VDDPPositivepowersupplyOutputtypeoptionpin,6TOGI-PL0(Default)=>Directoutput;1=>ToggleoutputPinTypeòICMOSinputonlyòI-PHCMOSinputandpull-highresisteròOCMOSpush-pulloutputò