2007 Portable Power Design Seminar.pdf

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1、77011-1.qxp8/8/076:09PMPagei2007PortablePowerDesignSeminarAUser’sApplicationSeminarfromTexasInstrumentspower.ti.comi77011-1.qxp8/8/076:09PMPageiiii77011-1.qxp8/13/071:05PMPageiiiTopic1PortablePowerDesignSeminar:TableofContentsTopic2PageWorkbookTopic1:Li-IonBatte

2、ryFundamentalsandBatteryPackElectronicsDesign....................1-1Topic3Topic2:BatteryCapacityMonitoringAccuracyandImplementation..........................2-1Topic3:BatteryChargingDesignConsiderations.........................................3-1Topic4:Buck-Boos

3、tConvertersforPortableSystems.....................................4-1Topic5:DrivingWLEDasBacklightforSmallandMediumSizeLCDDisplay.................5-1Topic4Topic6:Portable-PowerCircuitCollection..............................................6-1Topic7:PWMandPFMOper

4、ationofDC/DCConvertersforPortableApplications.............7-1Topic8:ComponentandLayoutConsiderationsforDC/DCConverters........................8-1Topic5ApplicationReportsAdaptiveConstantOn-Time(D-CAP™)ControlStudyinNotebookApplications(SLVA281).......1DrivingHigh

5、-CurrentLEDs(SLVA265)..................................................9Topic6DynamicallyAdjustableOutputUsingTPS63000(SLVA251)................................17DynamicPower-PathManagementandDynamicPowerManagement(SLUA400)...............23FastCellBalancingUsingE

6、xternalMOSFET(SLUA420)..................................31ImpedanceTrack™GasGaugeforNovices–bq20z70/z90(SLUA397)........................37Topic7ImplementationsofBatteryChargerandPower-PathManagementSystemUsingbq2410x/11x/12x(bqSWITCHER™)(SLUA376)................

7、.................51LEDDriver–ParalleledOutputsProvideHigh-CurrentOutputs(SLVA253)....................65MinimizingRingingattheSwitchNodeofaBoostConverter(SLVA255)......................71Topic8PerformingAccuratePFMModeEfficiencyMeasurements(SLVA236)...............

8、.........77TheoryandImplementationofImpedanceTrack™BatteryFuel-GaugingAlgorithminbq20zxxProductFamily(SLUA364B).............................................85power.ti