Texas Instruments BQ2028 Handleiding
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HDQ
VDD
REGIN
VSS
2.5-V
LDO
HDQ and control
Internal
temperature
sensor
512 x 8b
EEPROM
bq2028
bq2028
www.ti.com
SLUSB22B–OCTOBER2012–REVISEDNOVEMBER2012
4KbEEPROMwithSingle-WireHDQInterfaceandTemperatureSensor
CheckforSamples:bq2028
1
FEATURES
DESCRIPTION
TheTexasInstrumentsbq2028serial4Kbnonvolatile
•SerialNon-VolatileMemory(NVM)
memory(EEPROM)withintegratedtemperature
–512Byte(4Kb)EEPROM
sensorandLDOlinearregulatorprovidespack-side
–ProvidesBatteryPackNVMstoragefor
memorystorageandtemperaturemonitoringfora
bq27505-E1FuelGauge:
single-cellsystem-sidebatteryfuelgaugesolution
suchasthebq27505-E1.
–ManufacturingData
Thebq2028communicateswiththebq27505-E1
–OperationalHistory
gaugeoverasingle-wireHDQinterfacewitha
–ResistanceTables
minimaloverheadprotocolyetensureserrorfreedata
–StateofHealthInformation
transfer.
•SingleWireHDQCommunicationsPort
•Integrated2.5VLDOLinearRegulator
–Ultra-lowpower“shutdown”mode(1µA
Typical)viaauto-timeoutand/orhost
command
–WakeupfromshutdownviaHDQbreak
•InternalDie-TemperatureSensor
–±5°CRange=–40°Cto85°C
–RawADtoTemperatureConversion
PerformedbyHostFirmware
•Package
–12-pin,1490×2350µmWCSP(YZG),
0.625mmMaxThickness,0.5mmPitch
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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2012,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | BQ2028 |
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