Texas Instruments BQ24315 Handleiding
Pagina's 24 Niet gecategoriseerd
Bekijk de handleiding van Texas Instruments BQ24315 gratis online of download de PDF. Deze handleiding is 22 keer bekeken. Vraag over dit model? Stel een vraag
1
FEATURES
APPLICATIONS
DESCRIPTION
ACAdapter
VDC
GND
1Fm
1
2
7
5
4
6
8
bq24313
bq24315
bq24080
ChargerIC
SYSTEM
IN
OUT
VBAT
FAULT
CE
VSS
ILIM
1Fm
APPLICATIONSCHEMATIC
bq24313
bq24315
www.ti.com
...............................................................................................................................................SLUS817A–MARCH2008–REVISEDNOVEMBER2008
OVERVOLTAGEANDOVERCURRENTPROTECTIONICAND
Li+CHARGERFRONT-ENDPROTECTIONIC
•5.5VLDOModeVoltageRegulation
23
•ProvidesProtectionforThreeVariables:•AvailableinSpace-SavingSmall8Lead2mm
×2mmSON
–InputOvervoltage,withRapidResponsein
<1µs
–User-ProgrammableOvercurrentwith
•MobilePhonesandSmartPhones
CurrentLimiting
•PDAs
–BatteryOvervoltage
•MP3Players
•30VMaximumInputVoltage
•Low-PowerHandheldDevices
•Supportsupto1.5AInputCurrent
•Bluetooth™Headsets
•RobustAgainstFalseTriggeringDueto
CurrentTransients
•ThermalShutdown
•EnableInput
•StatusIndication–FaultCondition
Thebq24313andbq24315arehighlyintegratedcircuitsdesignedtoprovideprotectiontoLi-ionbatteriesfrom
failuresofthechargingcircuit.TheICcontinuouslymonitorstheinputvoltage,theinputcurrent,andthebattery
voltage.Theoutputactsasalinearregulator.TheoutputisregulatedtoV
O(REG)
forinputsbetweenV
O(REG)
and
theovervoltagethreshold.Ifaninputovervoltageconditionoccurs,theICimmediatelyremovespowerfromthe
chargingcircuitbyturningoffaninternalswitch.Inthecaseofanovercurrentcondition,itlimitsthesystem
currentatthethresholdvalue,andiftheovercurrentpersists,switchesthepasselementOFFafterablanking
period.Additionally,theICalsomonitorsitsowndietemperatureandswitchesoffifitexceeds140°C.Theinput
overcurrentthresholdisuser-programmable.
TheICcanbecontrolledbyaprocessorandalsoprovidesstatusinformationaboutfaultconditionstothehost.
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2PowerPADisatrademarkofTexasInstruments.
3BluetoothisatrademarkofBluetoothSIG,Inc.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2008,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | BQ24315 |
Heb je hulp nodig?
Als je hulp nodig hebt met Texas Instruments BQ24315 stel dan hieronder een vraag en andere gebruikers zullen je antwoorden