使用PIC14C000实现铅酸电池充电器

ThePIC14C000comeswithseveralperipheralsspecif-

icallyaimedatthebatterymarket.Theprogrammable

referenceandonboardcomparatorsareusefulforcre-

atingchargecontrolcircuits,whiletheanalog-to-digital

(A/D)convertercanmonitorthechargestatetoprevent

overcharge.Thecontrolsoftwareiswrittenin“C”for

maintainabilityandtransportability.Wherenecessary,

inlineassemblyisused.MLead-AcidBatteryChargerImplementationUsingPIC14C000AN626Author:DanButlerTHEORYOFOPERATIONMicrochipTechnologyInc.Chargecurrentiscontrolledbyacomparatorandpro-grammablereferenceonboardthePIC14C000.TheINTRODUCTIONothersideofthecomparatorisfedbythevoltageacrossasenseresistor.TheoutputofthecomparatorThePIC14C000comeswithseveralperipheralsspecif-