nxp mtp612太阳能mppt充电解决方案

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1、NXPMTP612太阳能MPPT充电解决方案关键词：电源管理,太阳能,MPPTNXP公司的MTP612是太阳能最大功率点跟踪（MPPT）IC，设计用于太阳能光伏（PV）电池或燃料电池。MTP612支持由正在申请专利的MPPT算法，专用软件库和易于使用的应用编程接口（API）支持。MTP612采用70MHz的ARM7TDMI-S32位RISC核，128位宽的接口和加速器，提供10位ADC和八个模拟输入，每路的转换时间低至2.44us。主要应用在PV电池和燃料电池的充电，家用电器的电池充电，手提设备电池充电和DC/DC转换器

2、以及微逆变器。本文介绍了MTP612主要特性和优势，方框图，软件架构框图以及采用MTP612的光伏电压MPPT电池充电控制器板主要特性，电路图和材料清单。MPT612MaximumpowerpointtrackingICTheMPT612,thefirstdedicatedICforperformingtheMaximumPowerPointTracking(MPPT)function,isdesignedforuseinapplicationsthatusesolarphotovoltaic(PV)cellsorinf

3、uelcells.Tosimplifydevelopmentandmaximizesystemefficiency,theMPT612issupportedbyapatent-pendingMPPTalgorithm,anapplication-specificsoftwarelibraryandeasy-to-useapplicationprogramminginterfaces(APIs).DedicatedhardwarefunctionsforPVpanels,includingvoltageandcurrent

4、measurementandpanelparameterconfiguration,simplifydesignandspeeddevelopment. TheMPT612isbasedonalow-powerARM7TDMI-SRISCprocessorthatoperatesatupto70MHzandcanachievesystemefficiencyratingsupto98%.Itcontrolstheexternalswitchingdevicethroughasignalderivedfromapatent

5、-pendingMPPTalgorithm.TheDCsourcecanbeconnectedtotheICthroughappropriatevoltageandcurrentsensors.TheICdynamicallyextractsthemaximumpowerfromtheDCsource,withoutuserintervention.TheICcanbeconfiguredforboundaryconditionssetinsoftware.Thereareupto15kBofflashmemoryava

6、ilableforapplicationsoftware. Inthisdatasheet,solarPVterminologyhasbeenprimarilyusedasanexample.However,theMPT612isequallyusefulforfuelcellsoranyotherDCsourcewhichhasMPPbehavior. MTP612主要特性和优势：ARM7TDMI-S32bitRISCcoreoperatingatupto70MHz 128-bitwideinterfaceandacc

7、eleratorenabling70MHzoperation 10-bitADCproviding Eightanaloginputs Conversiontimesaslowas2.44μsperchannelanddedicatedresultregistersminimizeinterruptoverhead Fiveanaloginputsavailableforuserspecificapplications One32-bittimerandexternaleventcounterwithfourcaptur

8、eandfourcomparechannels One16-bittimerandexternaleventcounterwiththreecomparechannels LowpowerReal-TimeClock(RTC)withindependentpowersupplyanddedicated32kHzclo