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特点
应用程序
描述
bq20z80-v101
SLUS625D–SEPTEMBER2004–REVISEDOCTOBER2005
sbs1.1-compliantgasgaugeenabledwithimpedancetrack™
TECHNOLOGYFORUSEWITHTHEbq29312A
•
38-pintssop(dbt)
•
PatentedImpedanceTrack™Technology
AccuratelyMeasuresAvailableChargein
•
NotebookPCs
李-ionandli-polymerbatteries
•
MedicalandTestEquipment
•
Betterthan1%ErrorOverLifetimeofthe
•
PortableInstrumentation
蓄电池
•
InstantAccuracy–NoLearningCycle
必填项
thebq20z80sbs-compliantgasgaugeic,
•
SupportstheSmartBatterySpecificationSBS
incorporatingpatentedimpedancetracktechnology,
v1.1
isdesignedforbattery-packorin-systeminstallation.
•
WorksWiththeTIbq29312AAnalog
Thebq20z80measuresandmaintainsanaccurate
前-结束(afe)protectionictoprovide
recordofavailablechargeinli-ionorli-聚合物
CompletePackElectronicsSolution
batteriesusingitsintegratedhigh-业绩
•
fullarrayofprogrammablevoltage,电流,
analogperipherals.thebq20z80monitorscapacity
变更,batteryimpedance,打开-circuitvoltage,和
andTemperatureProtectionFeatures
othercriticalparametersofthebatterypack,和
•
IntegratedTimeBaseRemovesNeedfor
reportstheinformationtothesystemhostcontroller
ExternalCrystalwithOptionalCrystalInput
overaserial-communicationbus.itisdesignedto
•
electronicsfor7.2-v,10.8-vor14.4-vbattery
workwiththebq29312aanalogfront-结束(afe)
PacksWithFewExternalComponents
protectionictomaximizefunctionalityandsafety,
andminimizecomponentcountandcostinsmart
•
basedonapowerfullow-powerrisccpu
batterycircuits.
corewithhigh-performanceperipherals
•
IntegratedFieldProgrammableFLASH
TheImpedanceTracktechnologycontinuously
analyzesthebatteryimpedance,resultinginsuperior
MemoryEliminatestheNeedforExternal
气体-gaugingaccuracy.thisenablesremaining
ConfigurationMemory
capacitytobecalculatedwithdischargerate,
•
MeasuresChargeFlowUsinga
温度,andcellagingallaccountedforduring
高分辨率,16-bitintegrating
eachstageofeverycycle.
三角洲-sigmaconverter
–betterthan0.65-nvhofresolution
AVAILABLEOPTIONS
–self-校准
包装
t
一个
–offseterrorlessthan1-
µ
v
38-pintssop(dbt)38-pintssop(dbt)
tubetape&放大器;卷轴
•
uses16-bitdelta-sigmaconverterfor
–40
°
Cto
AccurateVoltageandTemperature
bq20z80dbt-v101
(1)
bq20z80dbtr-v101
(2)
85
°
c
测量
•
ExtensiveDataReportingOptionsFor
ImprovedSystemInteraction
•
OptionalPulseChargingFeatureforImproved
ChargeTimes
•
drives3-,4-or5-segmentleddisplayfor
(1)asingletubequantityis50units.
RemainingCapacityIndication
(2)asinglereelquantityis2000units
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
impedancetrackisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2004–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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