标签: li-ion

精密电压参考源，如LT1461，可以改善基于LTC6802的电池管理系统的准确性，可低至±3mV。这个参考源是对LTC6802锂离子管理器来说一种简单的附加。LT1461的低工作电流使其成为电池供电应用的理想选择.SimpleCalibrationCircuitMaximizesAccuracyinLi-IonBatteryManagementSystemsDesignNote471JonMunsonIntroductionSi2351DS1LT1461AIS8-3.38InLi-Ionbatterysystemsitisimportanttomatchthechargeconditionofeachcelltomaximizepackperfor-27VINmanceandlongevity.CelllifeimprovesbyavoidingbothLTC6802IG-21M……

在单锂离子电池供电的手持式设备应用中，输入电压可从4.2V的初始值降至2.5V。对如此的电池电压变化范围进行稳压是一个挑战。最常用的方法是采用SEPIC转换器，但一般的效率和需要耦合电感和大电流反激式电容使其并不是一个理想选择。LTC3440集成了专利控制技术，通过调整内部的四个开关的相位达到输出电压高于、等于或低于输入电压的目的。在整个电池电压范围内的效率超过90%。advertisementSingleInductor,TinyBuck-BoostConverterProvides95%EfficiencyinLithium-Ionto3.3VApplications……

LTC4089集成了高压宽输入单片开关整流器，USB功率管理器和锂离子电池充电器，提高了基于USB和多电源输入手持式设备的功能。advertisementUniversalLi-IonBatteryChargerOperatesfromUSBand6Vto36VInputinJust2cm2……

LTC3446封装了一个高效1A升压整流器和两个300mAVLDO整流器，输出电压范围VLDO最低可至0.4V，而升压整流器可低至0.8V。输入电压囊括了单节锂离子电池电压，最大可至5.5V，使其成为多电压、2V以下输出的理想解决方案。OneICGeneratesThreeSub-2VPowerRailsfromaLi-IonCellDesignNote419FrankLeeIntroductionplications,andforpoweringlowvoltagelogicfrom5VShrinkinggeometriesinICtechnologyhavepushedtheor3.3Vrails.Theoutputvoltagerangeextendsdownoperatingvoltagesoftoday’selectronicswellbelow2V,to0.4VfortheVLDOregulatorsand0.8Vforthebuckpresentinganumberofdesignchallenges.Onecommonconverter.problemistheneedformultiplesupplyvoltages:forEachoutputisindependentlyenabledorshutdownviaexample,onevoltageforaCPUcore,anotherforI/Oand……

本应用笔记说明针对过压和反向极性和端口如何保护移动设备和充电器电池充电拓扑结构，以及如何使用恩智浦半导体双极型和MOS晶体管保护器件。AN10910ProtectingchargerinterfacesandtypicalbatterychargingtopologieswithexternalbypasstransistorsRev.2―23June2011ApplicationnoteDocumentinformationInfoContentKeywordsBISS,MOSFET-Schottky,lowVCEsat,batterycharger,Li-Ionbattery(Li-polymerbattery),overvoltageprotection,reversepolarityprotection,ESDprotectionAbstractThisapplicationnoteillustrateshowtoprotectamobiledevicechargerportagainstovervoltageandreversepolarityandgivesanoverviewoftypicalbatterychargingtopologiesandhowtouseNXPSemiconductorsp……

最简单标准的Li-ion电池用充电器……

摘要：本文应用程序向读者介绍使用达拉斯半导体DS2438电池监视器的推荐单节离子/聚合物电池包电路参考设计。特别强调的电池组，电池和锂离子保护电路中的DS2438位置上。解释为什么这必须解决，以确保电池包的正确和安全操作。此外，考虑和ESD保护组件选择是解决和详细描述。Maxim>AppNotes>BATTERYMANAGEMENTKeywords:Li+,li-ion,li-polymer,batterymonitor,DS2438,batterypack,Li+safety,ESDprotection,lithiumMay07,2001ionAPPLICATIONNOTE123RecommendedESDProtectionandCircuitPlacementfortheDS2438inLi-IonCellPackMasterAbstract:ThisapplicationnotepresentstothereaderarecommendedLi-Ion/polymerbatterypackcircuitreferencedesignusingtheDallasSemiconductorDS2438batterymonitor.SpecialemphasisisplacedonplacementoftheDS2438inthebatterypackwithrespecttothebatterycellandtheLi-Ionprotectioncircuitry.Itisexplainedwhythismustbeaddressedtoassureproperandsafeoperationofthebatterypack.Additionally,considerationsandcomponentselectionforESDprotectionareaddressedanddescri……

摘要：锂离子电池包了最强大的单位体积，但过多的充、放电可以损坏或破坏电池和周围的环境。精心设计的电路，可以帮助您避免这种严重的后果。Maxim/Dallas>AppNotes>BATTERYMANAGEMENTKeywords:ProperHandlingHelpsMaketheMostofLi-IonBatteriesJan24,2001APPLICATIONNOTE663ProperHandlingHelpsMaketheMostofLi-IonBatteriesLi-ionbatteriespackthemostpowerperunitvolume,butexcessivechargingordischargingcandamageordestroythebatteryanditssurroundings.Carefullydesignedcircuitscanhelpyouavoidsuchdireconsequences.Lithium-ion(Li-ion)batteriesarenowthepopularchoiceforapplicationsthatrequirethehighestconcentrationsofavailablepower,bothperunitvolumeandperunitweight.ThesebatteriescanstoremoreenergythanNiCd,nickel-metalhydride(NiMH),andotherrechargeabletypes.BatterymanufacturersdevelopedLi-iontechnologyto……

摘要：充电锂离子（Li+）电池的技术进行了阐述。线性，开关模式，恒定电流脉冲电路，显示每个充电方法。Maxim>AppNotes>BatteryManagementKeywords:lithium-ion,li-ion,batterycharger,linearcharger,pulsecharger,charger,li+Nov29,2001APPLICATIONNOTE721PortableDevicesNeedHigh-PerformanceBatteryChargersAbstract:Threetechniquesforcharginglithium-ion(Li+)batteriesaredescribed.Linear,switch-mode,andconstant-currentpulsecircuitsareshownforeachchargingmethod.IntroductionTheproliferationofportabledevicesinrecentyearshasunderlinedtheneedforsmall,efficientbatteriesandbatterychargers.Greatadvancesinbatterytechnologyhaveresulted,withlithium-ion(Li+)andlithium-polymernowamongthemorepopularbatterychemistries.Togetthemostperformancefromsuchbatteries,designershavefocusedonthebat……

摘要：单节锂离子（Li-ion）电池充电器，不消耗功率（热），也可以使用一个低成本的线性AC适配器。本应用笔记讨论如何设计一个简单的和低成本的锂离子电池充电器。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:singlecell,li+,li-ionbatterycharger,losslesscharger,noheatcharger,pulsecharger,charging,Jan03,2002lithium-ionAPPLICATIONNOTE897Single-CellLi+CradleChargerWithALinearACAdapterAbstract:ThesinglecellLithium-ion(Li-ion)batterychargerthatdoesnotdissipatepower(noheat)canalsousealowcostlinearACadapter.Thisapplicationnotediscusseshowtodesignasimpleandlow-costLi-ioncharger.IntroductionManyhandhelddevicesareusingasingle-cellLi+battery,andtheydemandasimpleandeconomicchargingsolution.Acradlechargerisonechoiceanditisgettingmoreattentionfromsystemdesignengineersbecausetheydonotneedtoworryaboutbuilt-incharg……

摘要：DS2761和DS2762的高精度电池监视器，提供Li+电池的监测和保护。这些器件具有两种电源模式：主动和睡眠。而在主动模式下，设备不断监视系统，并提供锂离子保护。在休眠模式下，这些活动将停止。有几种情况，可以进入休眠模式主动模式过渡的设备：低DQ的电压条件下，和swap命令发出。有另一组条件，可以从睡眠模式转换到主动模式的设备：DQ的，PS的下降沿上升沿，附带一个充电器，并发出swap命令。PMOD位，斯文位，DQ引脚和电池电压作用状态，充电控制（CC）和放电控制（DC）引脚如何反应时起床。本应用笔记提供起床在所有可能的情景发生的事情的细节。Maxim/Dallas>AppNotes>BATTERYMANAGEMENTKeywords:DS2761DS2762DS2760wakingupactivemodesleepmodebatterymanagementLiIONLi+Li-May04,2004IONAPPLICATIONNOTE3225WakingupaDS2761/DS2762TheDS2761andDS2762HighPrecisionBatteryMonitorsprovidemonitoringandprotectionforaLi+cell.Thesedeviceshavetwopowermodes:ActiveandSleep.WhileinActiveMode,thedevicescontinuallymonitorthesystemandprovideLi+protection.WhileinSleepMode,theseactivitiescease.ThereareseveralconditionsthatcantransitionthedevicesfromActiveModeintoSleepMode:alowDQ,anundervoltagecondition,andtheissuingoftheSwapcommand.ThereisanothersetofconditionsthatcantransitionthedevicesfromSleepModeintoActiveMode:arisingedgeofDQ……

唤醒DS2761/DS2762Maxim/Dallas>AppNotes>BATTERYMANAGEMENTKeywords:DS2761DS2762DS2760wakingupactivemodesleepmodebatterymanagementLiIONLi+Li-May04,2004IONAPPLICATIONNOTE3225WakingupaDS2761/DS2762TheDS2761andDS2762HighPrecisionBatteryMonitorsprovidemonitoringandprotectionforaLi+cell.Thesedeviceshavetwopowermodes:ActiveandSleep.WhileinActiveMode,thedevicescontinuallymonitorthesystemandprovideLi+protection.WhileinSleepMode,theseactivitiescease.ThereareseveralconditionsthatcantransitionthedevicesfromActiveModeintoSleepMode:alowDQ,anundervoltagecondition,andtheissuingoftheSwapcommand.ThereisanothersetofconditionsthatcantransitionthedevicesfromSleepModeintoActiveMode:arisingedgeofDQ……

摘要：本应用笔记介绍了用户如何提高超出单独使用库仑计数器的精度水平的锂离子电池组的剩余容量估计。它概括了Maxim电池监控IC的领会电池年龄的影响，以及应用程序的充放电率与燃油计量软件使用的方法，对锂离子电池的剩余容量。结果是成本低，但高度精确的电池电量计。这种电池的电量计方法可以适用于任何类型的锂离子电池和任何达拉斯半导体器件包含库仑计数器，如DS2438电池监视器。Maxim>AppNotes>BatteryManagementKeywords:batteryfuelgauge,batterymonitors,integratedcircuits,ICs,coulombcounter,Li-IonbatteryMar29,2001monitor,Lithium-Ion,Li-Ionbatteryfuelgauge,fuelgaugesoftware,monitorsAPPLICATIONNOTE131Lithium-IonCellFuelGaugingwithMaximBatteryMonitorICsAbstract:ThisapplicationnotedescribestotheuserhowtoimproveremainingcapacityestimationforLi-ionbatterypacksbeyondtheaccuracylevelofusingacoulombcounteralone.ItoutlinesamethodologyusingMaximbatterymonitorICsalongwithfuelgaugingsoftwarethatcomprehendstheeffectsofbatterycellage,aswellasthechargedischargeratesoftheapplication,ontheremainingcapacityofaLi-ionbatterypack.Theresultisalow-cost,buthighlyacc……

摘要：DS2751Li+电池/镍氢电池电量计IC设计监测单节锂离子（锂离子）或3节镍氢电池组。然而，适当的电路修改，DS2751电量计还可以被用来监测2节锂离子电池。本应用笔记介绍了一个参考电路，可用于执行使用DS2751电池电量计测量2节锂离子电池的剩余容量。详细描述电路的关键部件进行了讨论，其中包括为DS2751本身的配置问题。Maxim>AppNotes>BATTERYMANAGEMENTKeywords:Li+,NiMH,battery,fuelgauge,2-cell,batterypack,lithium-ion,li-ion,batteryfuelgauge,IC,two-May22,2003cell,multiple-cellAPPLICATIONNOTE2046UsingtheDS2751BatteryFuelGaugeinMultiple-CellBatteryPackApplicationsAbstract:TheDS2751Li+/NiMHbatteryFuelGaugeICisdesignedtomonitorsingle-cellLithium-ion(Li-ion)or3-cellNiMHbatterypacks.However,withtheappropriatecircuitmodifications,theDS2751fuelgaugecanalsobeusedtomonitora2-cellLi-ionbatterypack.ThisapplicationnotepresentsareferencecircuitthatcanbeusedtoimplementtheuseoftheDS2751batteryfuelgaugetomeasuretheremainingcapacityofa2-cellLi-ionbatterypack.Detaileddescriptionsofthekeycomponentsof……

摘要：本应用笔记介绍给读者使用Dallas半导体公司的1-Wire推荐的锂离子电池组的电路设计®产品与低端N沟道安全FET的。关键的设计考虑与尊重彼此的电池以及ESD保护包设备的位置是文本的焦点。该参考设计说明布局实施适当和必要的外部元件的需要包含DallasSemiconductor的1-Wire器件的电池包，以避免可能不安全的操作。Maxim>AppNotes>BatteryManagementKeywords:batterymanagement,1-wire,ICs,batterypack,li-ion,Li+,safetyFETs,protectionFETsApr25,2001APPLICATIONNOTE122UsingDallas'1-WireICsin1-CellLi-IonBatteryPacksWithLow-SideN-ChannelSafetyFETsMasterAbstract:ThisapplicationnotepresentstothereaderarecommendedLi-IonbatterypackcircuitdesignforusingDallasSemiconductor1-Wireproductswithlow-sideN-channelsafetyFETs.CriticaldesignconsiderationsconcerningtheplacementofthedevicesinthepackwithrespecttoeachotherandthebatterycellaswellasESDprotectionarethefocusofthetext.Thereferencedesignillustratestheproperlayoutimplementationandnecessaryexternalcomponentsneededtoavoidpossibleunsafeoperationofabatt……