防止由于电池反弹的瞬时功率损耗

摘要：震动或撞击可导致暂时中断时，电池失去联系。在电池供电系统的电源，以确保连续性，添加这三个IC电路。

Maxim/Dallas>AppNotes>SWITCHESANDMULTIPLEXERSKeywords:linearregulators,switchingregulators,analogswitches,batterybounce,contactbounceApr26,2004APPLICATIONNOTE3209ProtectingAgainstMomentaryPowerLossDuetoBattery-BounceImpactorvibrationcancausemomentaryinterruptionswhenbatterieslosecontact.Toensurecontinuityofpowerinbattery-poweredsystems,addthisthree-ICcircuit.Whenyoudropabattery-powereddevice,theimpactcanopeninternalcontactsforaslongas10ms,producingamomentarylossofpowerthatcancauseafalselow-batteryindication.(Thereissometimesasimilarmomentaryeffectonthedevice'sowner,especiallyifthedeviceisexpensive,butthat'sbeyondthescopeofthisapplicationnote).Youcaninsurecontinuityof