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FEATURESDESCRIPTION
应用程序
TPS65010
SLVS149A–JUNE2003–REVISEDJANUARY2004
POWERANDBATTERYMANAGEMENTIC
forli-ionpoweredsystems
•
linearchargermanagementforsingleli-离子
TheTPS65010isanintegratedpowerandbattery
orli-polymercells
managementICforapplicationspoweredbyone
李-ionorli-polymercell,andwhichrequiremultiple
•
DualInputPortsforChargingFromUSBor
powerrails.thetps65010providestwohighly
fromwallplug,handles100-ma/500-ma
高效,步骤-downconverterstargetedatproviding
USBRequirements
thecorevoltageandperipheral,我/orailsinapro-
•
ChargeCurrentProgrammableViaExternal
处理器-basedsystem.bothstep-downconvertersen-
电阻
teralowpowermodeatlightloadformaximum
efficiencyacrossthewidestpossiblerangeofload
•
1a,95%efficientstep-downconverterfor
电流.thelow_pwrpinallowsthecorecon-
我/oandperipheralcomponents(vmain)
vertertoloweritsoutputvoltagewhentheapplication
•
400ma,90%efficientstep-下变频器
processorgoesintodeepsleep.thetps65010also
forprocessorcore(vcore)
integratestwo200-maldovoltageregulators,哪个
•
2x200-maldosfori/oandperipheral
areenabledviatheserialinterface.eachldo
组件,ldoenableviabus
operateswithaninputvoltagerangebetween1.8v
and6.5v,allowingthemtobesuppliedfromoneof
•
SerialInterfaceCompatibleWithI
2
c,支架
thestep-downconvertersordirectlyfromthebattery.
100-khz,400-khzoperation
TheTPS65010alsohasahighlyintegratedand
•
低_pwrpintolowerordisableprocessor
flexibleli-ionlinearchargerandsystempowerman-
CoreSupplyVoltageinDeepSleepMode
管理层.itoffersintegratedusb-portand
•
70-µaquiescentcurrent
交流电-adaptersupplymanagementwithautonomous
•
1%ReferenceVoltage
电源-sourceselection,powerfetandcurrent
传感器,highaccuracycurrentandvoltageregulation,
•
ThermalShutdownProtection
chargestatus,andchargetermination.
TheTPS65010chargerautomaticallyselectsthe
•
allsingleli-ioncelloperatedproducts
usb-portortheac-adapterasthepowersourcefor
requiringmultiplesuppliesincluding:
系统.intheusbconfiguration,thehostcan
increasethechargecurrentfromthedefaultvalueof
–PDA
maximum100mato500maviatheinterface.在
–cellular/smartphone
交流电-adapterconfigurationanexternalresistorsetsthe
–InternetAudioPlayer
maximumvalueofchargecurrent.
–DigitalStillCamera
thebatteryischargedinthreephases:调节,
•
DigitalRadioPlayer
constantcurrent,andconstantvoltage.chargeis
•
SplitSupplyDSPandµPSolutions
normallyterminatedbasedonminimumcurrent.一个
internalchargetimerprovidesasafetybackupfor
chargetermination.thetps65010automatically
restartsthechargeifthebatteryvoltagefallsbelow
aninternalthreshold.thechargerautomaticallyen-
terssleepmodewhenbothsuppliesareremoved.
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
我
2
cisatrademarkofphillips.
powerpadisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2003–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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