2024年4月8日发(作者：奉子萱)
bq20z75-V180
SA22–DECEMBER2009
SBS1.1-COMPLIANTGASGAUGEANDPROTECTION-ENABLEDIC
WITHIMPEDANCETRACK™
CheckforSamples:bq20z75-V180
FEATURES
•NextGenerationPatentedImpedanceTrack™
TechnologyaccuratelyMeasuresAvailable
ChargeinLi-IonandLi-PolymerBatteries
–Betterthan1%ErrorOverLifetimeofthe
Battery
–InstantAccuracy–NoLearningCycle
Required
SupportstheSmartBatterySpecification
SBSV1.1
FlexibleConfigurationfor2to4SeriesLi-Ion
andLi-PolymerCells
Powerful8-BitRISCCPUWithUltra-Low
PowerModes
FullArrayofProgrammableProtection
Features
–Voltage,CurrentandTemperature
SupportsSHA-1Authentication
small38-PinTSSOP(DBT)Package
DESCRIPTION
Thebq20z75-V180SBS-compliantgasgaugeand
protectionICisasingleICsolutiondesignedfor
bq20z75-V180measuresandmaintainsanaccurate
recordofavailablechargeinLi-ionorLi-polymer
batteriesusingitsintegratedhigh-performance
analogperipherals,monitorscapacitychange,battery
impedance,open-circuitvoltage,andothercritical
parametersofthebatterypackaswellandreports
theinformationtothesystemhostcontrollerovera
erwiththe
integratedanalogfront-end(AFE)short-circuitand
overloadprotectionthebq20z75-V180maximizes
functionality,safetyandminimizeexternalcomponent
count,costandsizeinsmartbatterycircuits.
TheimplementedImpedanceTrack™gasgauging
technologycontinuouslyanalyzesthebattery
impedance,resultinginsuperiorgas-gauging
ablesremainingcapacitytobe
calculatedwithdischargerate,temperature,andcell
agingallaccountedforduringeachstageofevery
cyclewithhighaccuracy.
•
•
•
•
•
•
APPLICATIONS
•
•
•
NotebookPCs
MedicalandTestEquipment
PortableInstrumentation
T
A
BLEOPTIONS
PACKAGE
38-PINTSSOP(DBT)TapeandReel
(2)
bq20z75DBTR
bq20z75DBTR-v160
bq20z75DBTR-v180
38-PINTSSOP(DBT)Tube
(1)
bq20z75DBT
bq20z75DBT-V160
bq20z75DBT-v180
–40°Cto85°C
(1)
(2)
Asingletubequantityis50units.
Asinglereelquantityis2000units
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
IMPEDANCETRACKisatrademarkofTexasInstruments.
Copyright©2009,TexasInstrumentsIncorporated
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
ProductsconformtospecificationsperthetermsoftheTexas
tionprocessingdoesnot
necessarilyincludetestingofallparameters.
bq20z75-V180
SLUSA22–
dsshouldbeshortedtogetherorthedeviceplacedinconductivefoam
duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
SYSTEMPARTITIONINGDIAGRAM
Pack+
Z
V
C
H
G
G
P
O
D
P
A
C
K
¯
¯
¯
P
F
¯
I
N
S
A
F
E
P
M
S
D
S
G
C
H
G
V
S
S
V
S
S
B
A
T
RBI
Fuse
2024年4月8日发(作者：奉子萱)
bq20z75-V180
SA22–DECEMBER2009
SBS1.1-COMPLIANTGASGAUGEANDPROTECTION-ENABLEDIC
WITHIMPEDANCETRACK™
CheckforSamples:bq20z75-V180
FEATURES
•NextGenerationPatentedImpedanceTrack™
TechnologyaccuratelyMeasuresAvailable
ChargeinLi-IonandLi-PolymerBatteries
–Betterthan1%ErrorOverLifetimeofthe
Battery
–InstantAccuracy–NoLearningCycle
Required
SupportstheSmartBatterySpecification
SBSV1.1
FlexibleConfigurationfor2to4SeriesLi-Ion
andLi-PolymerCells
Powerful8-BitRISCCPUWithUltra-Low
PowerModes
FullArrayofProgrammableProtection
Features
–Voltage,CurrentandTemperature
SupportsSHA-1Authentication
small38-PinTSSOP(DBT)Package
DESCRIPTION
Thebq20z75-V180SBS-compliantgasgaugeand
protectionICisasingleICsolutiondesignedfor
bq20z75-V180measuresandmaintainsanaccurate
recordofavailablechargeinLi-ionorLi-polymer
batteriesusingitsintegratedhigh-performance
analogperipherals,monitorscapacitychange,battery
impedance,open-circuitvoltage,andothercritical
parametersofthebatterypackaswellandreports
theinformationtothesystemhostcontrollerovera
erwiththe
integratedanalogfront-end(AFE)short-circuitand
overloadprotectionthebq20z75-V180maximizes
functionality,safetyandminimizeexternalcomponent
count,costandsizeinsmartbatterycircuits.
TheimplementedImpedanceTrack™gasgauging
technologycontinuouslyanalyzesthebattery
impedance,resultinginsuperiorgas-gauging
ablesremainingcapacitytobe
calculatedwithdischargerate,temperature,andcell
agingallaccountedforduringeachstageofevery
cyclewithhighaccuracy.
•
•
•
•
•
•
APPLICATIONS
•
•
•
NotebookPCs
MedicalandTestEquipment
PortableInstrumentation
T
A
BLEOPTIONS
PACKAGE
38-PINTSSOP(DBT)TapeandReel
(2)
bq20z75DBTR
bq20z75DBTR-v160
bq20z75DBTR-v180
38-PINTSSOP(DBT)Tube
(1)
bq20z75DBT
bq20z75DBT-V160
bq20z75DBT-v180
–40°Cto85°C
(1)
(2)
Asingletubequantityis50units.
Asinglereelquantityis2000units
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
IMPEDANCETRACKisatrademarkofTexasInstruments.
Copyright©2009,TexasInstrumentsIncorporated
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
ProductsconformtospecificationsperthetermsoftheTexas
tionprocessingdoesnot
necessarilyincludetestingofallparameters.
bq20z75-V180
SLUSA22–
dsshouldbeshortedtogetherorthedeviceplacedinconductivefoam
duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
SYSTEMPARTITIONINGDIAGRAM
Pack+
Z
V
C
H
G
G
P
O
D
P
A
C
K
¯
¯
¯
P
F
¯
I
N
S
A
F
E
P
M
S
D
S
G
C
H
G
V
S
S
V
S
S
B
A
T
RBI
Fuse