Texas Instruments EMB1499Q Handleiding

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EMB1499Q

www.ti.com

SNOSCV7B–NOVEMBER2011–REVISEDSEPTEMBER2013

EMB1499QBidirectionalCurrentDC-DCController

CheckforSamples:EMB1499Q

1

FEATURES

DESCRIPTION

TheEMB1499Qbidirectionalcurrentdc/dccontroller

•60-VMaximumStackOperatingVoltage

ICworksinconjunctionwiththeEMB1428switch

•BidirectionalBalancingCurrent

matrixgatedriverICtosupportTI’sswitchmatrix

•FullySynchronousOperation

basedactivecellbalancingschemeforabattery

managementsystem.TheEMB1499Qprovidesthree

•ActiveClampSignal

PWMMOSFETgatesignalstoabidirectionalforward

•250-kHzSwitchingFrequency

convertersothatitsoutputcurrent,eitherpositiveor

•FaultDetectionIncludesTwoSeparateUVLO

negative,isregulatedaroundauser-defined

Cells(OneforEachExternalSupply),Primary

magnitude.Thisinductorcurrentischanneledbythe

andSecondarySideCurrentLimit,OVP/UVP

EMB1428throughtheswitchmatrixtothecellthat

needstobechargedordischarged.Inatypical

SenseonCellBeingCharged,Thermal

scheme,theEMB1499Q-basedforwardconverter

Shutdown,andWatchdogTimer

exchangesenergybetweenasinglecellandthe

•BalancingCurrentUser-selectableThrough

batterystacktowhichitbelongs,withamaximum

ExternalVoltage

stackvoltageofupto60V.Theswitchingfrequency

•EMB1499QisanAutomotiveGradeProduct

isfixedat250kHz.TheEMB1499Qsensescell

thatisAEC-Q100Grade1Qualified(–40°Cto

voltage,inductorcurrentandstackcurrentand

providesprotectionfromabnormalconditionsduring

+125°COperatingJunctionTemperature)

balancing.

APPLICATIONS

TheEMB1499Qalsoprovidesanactiveclamptiming

signaltocontrolanexternalFETdriverforthe

•Li-IonBatteryManagementSystems

primary-sideactiveclampFET.TheEMB1499Qis

•HybridandElectricVehicles

enabledanddisabledbytheEMB1428.Fault

•GridStorage

conditionsdetectedbytheEMB1499Qare

communicatedtotheEMB1428throughtheDONE

andFAULTpins.

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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2011–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties