标签: battery-powered

随着电池产品的增长，消耗小电流的电路日益成为设计的追求目标以延长电池的寿命。Linear公司的LTC1440-LTC1445系列产品为电池供电系统监控问题提供最佳的解决方案。advertisementUltralowPowerComparatorsIncludeReferenceDesignNote123RobertReayWiththeexplosionofbattery-poweredproductshascome7theneedforcircuitsthatdrawaslittlesupplycurrentasV+3IN++possibleinordertoextendbatterylife.LinearTechnology’s8……

随着电池供电产品的快速增长，对电路电流的要求要尽可能小以延长电池的寿命。Linear公司的新器件LTC1400-1445微功耗比较器设计用以满足这一需要。该系列具有1μA比较器，TTL/CMOS输出，源和漏极电流和1μA参考源可用0.01μF电容驱动而不会产生振荡。advertisementUltralowPowerComparatorsIncludeReferenceDesignNote123RobertReayWiththeexplosionofbattery-poweredproductshascome7theneedforcircuitsthatdrawaslittlesupplycurrentasV+3IN++possibleinordertoextendbatterylife.LinearTechnology’s8……

LTC1700升压控制器实现高效紧凑的低压应用。其具有的特性是电池供电和线性电源应用的理想选择。advertisementTinyandEfficientBoostConverterGenerates5Vat3Afrom3.3VBus……

LTC3251提供了10脚热增强型MSOP封装，LTC3250提供了小型ThinSOT封装，这些小尺寸、大电流输出，低噪声的特性使其成为电池供电应用的理想选择。advertisementNewStep-DownChargePumpsareTiny,EfficientandVeryLowNoise……

LTC3555是一个单芯片的完整先进电源解决方案，带有发热量减少和电源充电时间的缩短的第三代电源管理技术使其是未来高密度、多功能电池供电产品的理想选择。通过集成了三个I2C控制的、高效的降压DC/DC转换器，达到灵活地适应需求和工作模式的变化。USBPowerSolutionIncludesSwitchingPowerManager,BatteryCharger,ThreeSynchronousBuckRegulatorsandLDODesignNote420BrianShafferIntroductiontheDC/DCbucksforultimateadaptabilitytochangingLinearTechnologyoffersavarietyofpartstosimplifytheoperatingmodesinawiderangeofapplications.taskofextractingpowerfromabatteryoraUSBcable.TheseSwitchingPowerPathControllerMaximizesdevicesseamlesslymanagethepowerowbetweenanAvailablePowertotheSystemLoadACadapter,USBcableandLi-Ionbattery,allwhilemain-TheLTC3555improvesoverearliergenerationsofUSBtainingUSBpowerspecicationcompliance.Asbattery……

LTC3785是Linear公司推出的最新产品，以满足手持设备中电池供电的需要，特别是那些输出电压在输入电压范围内时。基于LTC3785控制器克服了传统设计的低效，提供了简单、高效、外部元件少的解决方案。Buck-BoostControllerSimpliesDesignofDC/DCConvertersforHandheldProducts……

DualPowerSupplyforWallcube/Battery-PoweredSystems……

Abstract:Twocircuitsaredescribed.ThefirstusesexternalMOSFETsdrivenbythePowerOK(POK)outputofaLi-cellchargerIC(MAX8814),toswitchaloadbetweenbatteryandchargingsourcewithoutinterventionfromamicrocontrollerorsystemsoftware.ForchargerICswithoutaPOKoutput(suchastheMAX1507),thesecondcircuitdoesthesameswitchingusingMOSFETsandacomparator(MAX920).Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP4840Maxim>Designsupport>Appnotes>BatteryManagement>APP4840Keywords:loadswitching,rechargeablebattery-poweredsystems,Li+batterychargers,powerOK(POK)outputsFeb10,2011APPLICATIONNOTE4840Battery/ChargerLoadSwitchApproximatesIdealDiodeBy:BudgeIngHubertBugajskiAbstract:Twocircuitsaredescribed.ThefirstusesexternalMOSFETsdrivenbythePowerOK(POK)outputofaLi-cellchargerIC(MAX8814),toswitchaloadbetweenbatteryandchargingsourcewithoutinterventionfromamicrocontrollerorsystemsoftware.ForchargerICswithoutaPOKoutput(……

摘要：两个电路进行了说明。第一次使用外部Mosfet驱动的李电池充电器集成电路（MAX8814）的权力确定（博爱)输出负载电池和充电不干预从微控制器或系统的软件源之间切换。ICs充电器无博爱输出（如MAX1507），第二个电路会同一开关使用Mosfet和比较器（MAX920）。Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP4840Maxim>Designsupport>Appnotes>BatteryManagement>APP4840Keywords:loadswitching,rechargeablebattery-poweredsystems,Li+batterychargers,powerOK(POK)outputsFeb10,2011APPLICATIONNOTE4840Battery/ChargerLoadSwitchApproximatesIdealDiodeBy:BudgeIngHubertBugajskiAbstract:Twocircuitsaredescribed.ThefirstusesexternalMOSFETsdrivenbythePowerOK(POK)outputofaLi-cellchargerIC(MAX8814),toswitchaloadbetweenbatteryandchargingsourcewithoutinterventionfromamicrocontrollerorsystemsoftware.ForchargerICswithoutaPOKoutput(……

摘要：降压型高达的的DC/DC的转换器有一个从输入到输出的的直接的路径（通过的电感器和肖特基二极管的的），使得一个完整的关机变得困难的。此电路达到通过调停的一个和输入和输出，之间的由一个RS-232收发器（MAX3384）控制的的的外部MOSFET的为MAX17112转换器的的完整的关机。Maxim>Designsupport>Appnotes>CircuitProtection>APP4835Maxim>Designsupport>Appnotes>InterfaceCircuits>APP4835Maxim>Designsupport>Appnotes>Power-SupplyCircuits>APP4835Keywords:battery-powered,stepupdc/dcconverters,shutdown,RS-232transceiversFeb07,2011APPLICATIONNOTE4835True-ShutdownCircuitAbstract:Step-upDC/DCconvertershaveadirectpathfrominputtooutput(viatheinductorandSchottkydiode)thatmakesafullshutdowndifficult.ThiscircuitachievesfullshutdownforaMAX17112converterbyinterposinganexternalMOSFETbetweeninputandoutput,controlledbyanRS-232transceiver(MAX3384).Asimilarversiono……