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1,2(1.,510520;2.,510000):,,,,:;;;:TP930:B:1006-2394(2007)02-0027-03DesignofIntelligentBatteryChargerBasedonMCULINBang2huai1,ZHOUWen2ling2(1.GuangdongOverseasChinesePolytechnicSchool,Guangzhou510520,China;2.GuangdongProvinceElectronicTechnologyResearchInstitute,Guangzhou510000,China)Abstract:ThisarticleintroducedthehardwareandsoftwarerealizationofintelligentbatterychargerbasedonMCU.Thisbatterychargercoulddoreal2timecharging,calculatethebatteryparameterandcarryontheintelligentcontrol.Italsocouldcommunicatewiththeupper2positionmachinethroughtheserialport,carryonthereal2timedisplayandadjustchargingstrategyaccordingtodifferentbatteries.Theexperimentprovedthatthisdesignhadcharacteristicsofdigital,intelligence,universalandlowpowerconsumption.Keywords:intelligentbatterycharger;MCU;switchingpowersupply;lithiumionbattery11,11.15189C51I/O,11.0592MHz,,RS232,1.2/AD574AD57415V,12,4bit,0.01VMAX471CD4051,LM258AD574,,,2272200723PWM41.3(PWM)PWM20MHz,,PWMMOSFETLCPWM,,PWM322.1,,A/D16,C,,C,,2.2,,,,-,4,,IIs,;,2.3VisualC++1s,,,,(Matlab),,()(mAh),,33.1US18650SONY,1800mAh;,4.2V0.31/3C=0.6A,4.2V,0.06A,5240min,,PWM,,,85%,5%822007253.2NOKIA6100(550mAh),-,0.15A,4.2V,66NOKIA,3.96V,,,550mAh,,,,,[1],,.[M].:,1998.[2],,.[J].,2002,7(3):160-164.[3].[M].:,2001.[4].12/AD574[J].,2000,(6).[5].[M].:,2001.():2006-08:(1974),,,,(26)2.3PWMLM339,PWMIR2110,MOSFET88MOSFET3,,IR2110,IR2110,,[1].(2)[M].:,2000.[2],.[J].,1998,(2):50-52.[3],.IR2110[J].,2000,(1):31-33.():2006-08:(1981),,,9220072