标签: pushbutton

LTC2953是一款低功率、宽输入电压范围(2.7V至27V)、带输入输出电压监控的开关控制器，提供了简单完整的手持式设备电源解决方案。通过整合和高速单电源监测可提供极佳的系统可靠性。PushbuttonOn/OffControllerwithFailsafeVoltageMonitoringDesignNote427VictorFleuryIntroductionenablesaDC/DCconverterorturnsonapowerswitch.HaveyouhadtheexasperatingexperienceofalaptoporThesecircuitscommunicatewithsystemlogictomakePDAdeantlynotrespondingtoyourcommands?Yousurethatpowerturnsonandturnsoffinanorderlyfranticallypresskeyafterkey,buttonoavail.Ashopemanner.Additionally,failsafefeaturesshoulddisableturnstoanger(butjustbeforeyouthrowthecompany’s……

Abstract:Forapplicationsthatrequirelessthanakeyboardornumerickeypad,thissimplecircuitmonitorsmultiplepushbuttonswitchesusingasinglemulti-channel1-Wire®addressableswitch(DS2408),andafewexternalcomponents.Maxim>Designsupport>Appnotes>1-WireDevices>APP4849Maxim>Designsupport>Appnotes>InterfaceCircuits>APP4849Keywords:1-Wireswitches,pushbuttonswitches,microcontrollersFeb10,2011APPLICATIONNOTE4849SenseMultiplePushbuttonsUsingOnlyTwoWiresBy:BernhardLinkeAbstract:Forapplicationsthatrequirelessthanakeyboardornumerickeypad,thissimplecircuitmonitorsmultiplepushbuttonswitchesusingasinglemulti-channel1-wireaddressableswitch(DS2408),andafewexternalcomponents.AsimilarversionofthisarticleappearedintheSeptember9,2010issueofEDNmagazine.Keyboardsandnumerickeypadsoftenprovidetheuser……