Texas Instruments BQ2060 Handleiding

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FEATURES

PINCONNECTIONS

DESCRIPTION

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

HDQ16

ESCL

ESDA

RBI

REG

V

OUT

V

CC

V

SS

DISP

LED

1

LED

2

LED

3

LED

4

LED

5

SMBC

SMBD

VCELL

4

VCELL

3

VCELL

2

VCELL

1

SR

1

SR

2

SRC

TS

THON

CVON

CFC

DFC

28-pin 150-mil SSOP

bq2060

SLUS035E–JANUARY2000–REVISEDOCTOBER2005

SBSV1.1-COMPLIANTGASGAUGEIC

current,andremainingrun-timepredictions.The

bq2060providesLEDdriversandapush-buttoninput

•ProvidesAccurateMeasurementofAvailable

todepictremainingbatterycapacityfromfulltoempty

ChargeinNiCd,NiMH,Li-Ion,andLead-Acid

in20%or25%incrementswitha4-or5-segment

Batteries

display.

•SupportsSBSSmartBatteryData

Thebq2060workswithanexternalEEPROM.The

Specificationv1.1

EEPROMstorestheconfigurationinformationforthe

•Supportsthe2-WireSMBusv1.1Interface

bq2060,suchasthebattery’schemistry,

withPECor1-WireHDQ16

self-dischargerate,ratecompensationfactors,

measurementcalibration,anddesignvoltageand

•ReportsIndividualCellVoltages

capacity.Thebq2060usestheprogrammable

•MonitorsandProvidesControltoChargeand

self-dischargerateandothercompensationfactors

DischargeFETsinLi-IonProtectionCircuit

storedintheEEPROMtoaccuratelyadjustremaining

•Provides15-BitResolutionforVoltage,

capacityforuseandstandbyconditionsbasedon

Temperature,andCurrentMeasurements

time,rate,andtemperature.Thebq2060also

automaticallycalibratesorlearnsthetruebattery

•MeasuresChargeFlowUsingaV-to-F

capacityinthecourseofadischargecyclefromnear

ConverterwithOffsetofLessThan16µV

fulltonearemptylevels.

AfterCalibration

TheREGoutputregulatestheoperatingvoltagefor

•ConsumesLessThan0.5mWOperating

thebq2060fromthebatterycellstackusingan

•Drivesa4-or5-SegmentLEDDisplayfor

externalJFET.

RemainingCapacityIndication

•28-Pin150-milSSOP

Thebq2060SBS-compliantgasgaugeICforbattery

packorin-systeminstallationmaintainsanaccurate

recordofavailablechargeinrechargeablebatteries.

Thebq2060monitorscapacityandothercritical

batteryparametersforNiCd,NiMH,Li-ion,and

lead-acidchemistries.Thebq2060usesaV-to-F

converterwithautomaticoffseterrorcorrectionfor

chargeanddischargecounting.Forvoltage,

temperature,andcurrentreporting,thebq2060uses

anA-to-Dconverter.TheonboardADCalsomonitors

individualcellvoltagesinaLi-ionbatterypackand

allowsthebq2060togeneratecontrolsignalsthat

maybeusedwithapacksupervisortoenhancepack

safety.

Thebq2060supportsthesmartbatterydata(SBData)

commandsandcharge-controlfunctions.It

Thesedeviceshavelimitedbuilt-inESD

communicatesdatausingthesystemmanagement

protection.Theleadsshouldbeshorted

bus(SMBus)2-wireprotocolortheBenchmarq1-wire

togetherorthedeviceplacedinconductive

HDQ16protocol.Thedataavailableincludethe

foamduringstorageorhandlingtoprevent

battery’sremainingcapacity,temperature,voltage,

electrostaticdamagetotheMOSgates.

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2000–2005,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties