Datasheet

DEVICEINFORMATION
AVAILABLEOPTIONS
PINDIAGRAM
Vss
SRN
SRP
Vcc
BAT_LOW/BAT_GD
SDA
SCL
1
2
3
4
5
6
12
11
10
9
8
7
bq27510
TS
REGIN
BAT
BI/TOUT
REG25
bq27510-G1
SLUS927–APRIL2009..................................................................................................................................................................................................... www.ti.com
Thesedeviceshavelimitedbuilt-inESDprotection.Theleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoam
duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
PARTNUMBERPACKAGE
(1)
TACOMMUNICATIONTAPEandREEL
FORMATQUANTITY
bq27510DRZR-G13000
12-pin,2,5-mm×4-mmSON–40°Cto85°CI
2
C
bq27510DRZT-G1250
(1)ForthemostcurrentpackageandorderinginformationseethePackageOptionAddendumattheendofthisdocument;or,seetheTI
websiteatwww.ti.com.
TERMINALFUNCTIONS
TERMINALTYPE
(1)
DESCRIPTION
NAMENO.
BI/TOUT1I/OBattery-insertiondetectioninput.Powerpinforpackthermistornetwork.Thermistor-multiplexercontrol
pin.Push-pullI/O.Usewithpull-upresistor>1MΩ(1.8MΩtypical).
REG252P2.5VoutputvoltageoftheinternalintegratedLDO.Connecta0.47µFceramiccapacitor.
REGIN3PTheinputvoltagefortheinternalintegratedLDO.Connecta0.1µFceramiccapacitor.
BAT4ICellvoltagemeasurementinput.ADCinput.
Vcc5PProcessorpowerinput.The0.47µFceramiccapacitorconnectedtoREG25shouldbeclosetoVcc.
Vss6PDeviceground
SRP7IAAnaloginputpinconnectedtotheinternalcoulombcounterwhereSRPisnearestthesystemPACK–
connection.Connectto5-mΩto20-mΩsenseresistor.
SRN8IAAnaloginputpinconnectedtotheinternalcoulombcounterwhereSRNisnearesttheVssconnection.
Connecttoa5-mΩto20-mΩsenseresistor.
TS9IAPackthermistorvoltagesense(use103AT-typethermistor).ADCinput
SDA10I/OSlaveI
2
Cserialcommunicationsdatalineforcommunicationwithsystem(Master).Open-drainI/O.
Usewith10-kΩpull-upresistor(typical).
SCL11ISlaveI
2
Cserialcommunicationsclockinputlineforcommunicationwithsystem(Master).Open-drain
I/O.Usewith10-kΩpull-upresistor(typical).
BAT_LOW/12OBattery-goodorBattery-lowoutputindicator.DesiredfunctionpolarityselectedthroughtheOperation
BAT_GDConfigurationregister.Open-drainoutput
(1)I/O=Digitalinput/output;IA=Analoginput;P=Powerconnection.
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ProductFolderLink(s):bq27510-G1
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