Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - battery management Charge indicator Li-Ion SON 12 (2.5x4) Surface-mount

ExtendedDataCommands

bq27510-G1

SLUS927–APRIL2009.....................................................................................................................................................................................................

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Extendedcommandsofferadditionalfunctionalitybeyondthestandardsetofcommands.Theyareusedinthe

samemanner;howeverunlikestandardcommands,extendedcommandsarenotlimitedto2-bytewords.The

numberofcommandsbytesforagivenextendedcommandrangesinsizefromsingletomultiplebytes,as

specifiedinTable5.FordetailsontheSEALEDandUNSEALEDstates,seeSectionAccessModes.

Table5.ExtendedCommands

NAMECOMMANDCODEUNITSSEALEDUNSEALED

ACCESS

(1)(2)

ACCESS

(1)(2)

ReservedRSVD0x34…0x3bN/ARR

DesignCapacity()DCAP0x3c/0x3dmAhRR

DataFlashClass()

(2)

DFCLS0x3eN/AN/AR/W

DataFlashBlock()

(2)

DFBLK0x3fN/AR/WR/W

Authenticate()/BlockData()A/DF0x40…0x53N/AR/WR/W

AuthenticateCheckSum()/BlockData()ACKS/DFD0x54N/AR/WR/W

BlockData()DFD0x55…0x5fN/ARR/W

BlockDataCheckSum()DFDCKS0x60N/AR/WR/W

BlockDataControl()DFDCNTL0x61N/AN/AR/W

DeviceNameLength()DNAMELEN0x62N/ARR

DeviceName()DNAME0x63...0x69N/ARR

ApplicationStatus()APPSTAT0x6aN/ARR

ReservedRSVD0x6b...0x7fN/ARR

(1)SEALEDandUNSEALEDstatesareenteredviacommandstoControl()0x00/0x01

(2)Insealedmode,dataflashCANNOTbeaccessedthroughcommands0x3eand0x3f.

DesignCapacity():0x3c/0x3d

SEALEDandUNSEALEDAccess:ThiscommandreturnsthevalueisstoredinDesignCapacityandis

expressedinmAh.Thisisintendedtobethetheoreticalornominalcapacityofanewpack,buthasnobearing

ontheoperationofthefuelgaugefunctionality

DataFlashClass():0x3e

UNSEALEDAccess:Thiscommandsetsthedataflashclasstobeaccessed.Theclasstobeaccessedshould

beenteredinhexadecimal.

SEALEDAccess:ThiscommandisnotavailableinSEALEDmode.

DataFlashBlock():0x3f

UNSEALEDAccess:Thiscommandsetsthedataflashblocktobeaccessed.When0x00iswrittento

BlockDataControl(),DataFlashBlock()holdstheblocknumberofthedataflashtobereadorwritten.Example:

writinga0x00toDataFlashBlock()specifiesaccesstothefirst32byteblockanda0x01specifiesaccesstothe

second32byteblock,andsoon.

SEALEDAccess:ThiscommanddirectswhichdataflashblockwillbeaccessedbytheBlockData()command.

Writinga0x00toDataFlashBlock()specifiestheBlockData()commandwilltransferauthenticationdata.Issuing

a0x01,0x02or0x03instructstheBlockData()commandtotransferManufacturerInfoBlockA,B,orC,

respectively.

BlockData():0x40…0x5f

UNSEALEDAccess:Thisdatablockistheremainderofthe32bytedatablockwhenaccessingdataflash.

SEALEDAccess:Thisdatablockistheremainderofthe32bytedatablockwhenaccessingManufacturer

BlockInfoA,B,orC.

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Not Recommended For New Designs