开关模式电池消除基于PIC16C72A

ThePIC16C72AisamemberofthePICmicro

Mid-

RangeFamilyof8-bit,high-speedmicrocontrollers.

ThePIC16C72providesthefollowingfeatures:

•5Channel,8-bitAnalog-to-DigitalConverter(A/D)

•CCPModuletogenerateaPWMoutput

•I

2

C™/SPI™Module

•3Timers

•8Interruptsources

ThisapplicationnoteshowshowtocombinetheA/D

andCCPmoduleswithsuitablesoftwaretoproducea

SwitchModeBatteryEliminator(SMBE)providing3.0,

4.5,5.0,6.0,7.5and9.0voltoutputvoltagesatupto1

AmpwithanACorDCinputbetween12.6Vand30V

peak.AN701SwitchModeBatteryEliminatorBasedonaPIC16C72AAnalog-to-DigitalConverterModuleAuthor:BrettDuaneMicrochipTechnologyTheA/DconvertsaninputvoltagebetweengroundandVDDtoan8-bitvaluepresentedinADRES.Inthisappli-cation,theswitchingconverterinputandoutputvolt-OVERVIEWagesaresampled.Provisionshavebeenincludedtor