矽力杰 Silergy SY9329 双向升降压转换器 规格书 Datasheet 佰祥电子

SY9329

HighEfficiency,28VInput

SingleInductorSynchronousStepUp/DownRegulator

GeneralDescription:Features:

TheSY9329isahighvoltageBuck-BoostconverterBidirectionalPowerDelivery:SourceModeand

forUSBpowerdeliveryapplications.Withuser-SinkMode

selectablesourcemodeandsinkmode,itfeatures4Vto28VInputVoltageRange

bidirectionalpowerdelivery.Insourcemode,theLowRDS(ON)forInternalSwitches:25mΩ

outputvoltageVVBUSis5V,7V,9V,12V,15V,20VInternalSoft-start

selectable.Insinkmode,theoutputvoltageVBATis8-bitADCforOutputVoltage,InputVoltage

adjustablewithanexternalresistordivider.andVBUSOutputCurrentDetection

ThedeviceoperatesoverawideinputvoltagerangeFullyProtectedforOutputOverCurrent,Short-

from4Vto28VandthemaximumaverageinductorcircuitandOver-temperature

currentislimitedtoatypicalvalueof10A.ThefourI2CCompatibleInterface

integratedlowRDS(ON)switchesminimizetheSupportInterruptforStatusFeedback

conductionloss.SelectableSwitchingFrequency:

TheSY9329integratesanI2Ccompatibleinterface250kHz,500kHz,750kHz,1MHz

formodeselecting,outputvoltagesetting,frequencySelectableVBUSOutputVoltage:

setting,protectionsetting,andetc.5V,7V,9V,12V,15V,20V

ThedeviceisavailableincompactQFN4×4-32SelectableInductorCurrentLimitand

package.VBUSOutputCurrentLimit

CompactPackage:QFN4×4-32

ULCertificateNumber:E491480

OrderingInformationUL2367Certified

IEC/EN62368-1Certified

SY9329□(□□)□

TemperatureCode

PackageCodeApplications:

OptionalSpecCodeDockingStation

Laptop

OrderingNumberPackagetypeNoteHigh-endPowerBank

SY9329QFCQFN4×4-32Monitor

CarCharger

USBPD

TypicalApplication

CBS1L1CBS2

BS1LX1LX2BS2

VBATRSENSEVBUS

BATVBUS

RTOP

CBATCVBUS

FB

RSY9329

BOTISEN

/INT

SDA

SCL

OFFONENCOMP

ADDRRZ

CP

RVCCPGNDSGND

ADDRCZ

CVCC

Fig1.TypicalSchematicDiagram

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SY9329

Pinout(TopView)

D

D

S

N

N

U

1

2

2

1

T

G

G

B

X

X

X

X

A

L

P

P

L

L

V

L

B

3231302928272625

BAT124VBUS

BAT223VBUS

BAT322VBUS

BAT421VBUS

PGND

BAT520VBUS

LX1619LX2

BS1718BS2

EN817ISEN

910111213141516

L

P

R

B

A

D

T

C

C

F

D

D

N

N

C

M

I

S

/

S

D

V

G

O

A

S

C

TopMark:BEDxyz(Devicecode:BED,x=yearcode,y=weekcode,z=lotnumbercode)

PinNamePinNumberDescription

Powerinput/outputpin,decouplethispintoPGNDwithatleasta10μF

BAT1,2,3,4,5,32ceramiccapacitor.Thispinisthepowerinputinsourcemodeandthepower

outputinsinkmode.

LX16,30,31Switchingnode1.

Boot-strappin.Supplyhighsidegatedriver.Connecta0.1μFceramic

BS17

capacitorbetweentheBS1andtheLX1pin.

ICenablecontrolpin,logichighenable.Thispinisinternallypulledhighby

EN8

400nApull-upcurrent.

3.3VLDOoutput,powersupplyforinternaldriverandcontrolcircuits.

VCC9

DecouplethispintoSGNDwithaminimumof4.7μFceramiccapacitor.

Sinkmodeoutputfeedbackpin.Connectthispintothecenterpointofthe

FB10outputresistordividertoadjusttheVBAToutputvoltage:

VBAT=1V×(RTOP+RBOT)/RBOT.

COMP11Compensationpin.ConnectRCnetworkbetweenthispinandground.

SGND12Signalground.

Thedeviceaddresssetpin.Groundthispintoselect0x70.Connectthispinto

ADDR13GNDwithanexternalresistortoselect0x71(50kΩ<RADDR<100kΩ)or

0x72(400kΩ<RADDR<500kΩ).Floatthispintoselect0x73.

SDA14I2Cinterfaceserialdatapin.Logiclevelinput/output.

SCL15I2Cinterfaceserialclockpin.Logiclevelinput.

The/INTpinisanopen-drainoutput.Whenaninterrupteventhappens,the

/INTpinisinternallypulledlowtoinformthehostaboutfaultcondition.After

/INT16thehostreadstheinterruptregister,the/INTpinisexternallypulledhigh.A

10kΩpull-upresistorisrecommended.

Currentsensepin.Connecta10mΩresistorRbetweenVBUSandISEN

ISEN17SENSE

todetectsourcemodeoutputcurrent.

Boot-strappin.Supplyhighsidegatedriver.Connecta0.1μFceramic

BS218

capacitorbetweentheBS2andtheLX2pin.

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SY9329

LX219,26,27Switchingnode2.

28,29,

PGNDPowerground.

ExposedPad

Powerinput/outputpin,decouplethispintoPGNDwithatleasta10μF

20,21,22,23,

VBUSceramiccapacitor.Thispinisthepoweroutputinsourcemodeandthepower

24,25

inputinsinkmode.

BlockDiagram

BS1LX1LX2BS2

SW1SW4

BATVBUS

TG1TG2

CurrentCurrent

BG2

senseBG1SW3senseDischarge

SW2

Voltage

sense

Max

(BAT,ISEN)

LDO

VCC

Controland

SCLProtection

VBUSoutput

SDA

I2CcurrentsenseISEN

Interface

/INT

ADDR

VBUS

Voltagesense

FBEA

1V

Ipull-upCOMP

EN

SGNDPGND

Fig.2BlockDiagram

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SY9329

AbsoluteMaximumRatings(Note1)

BAT,LX1,LX2,VBUS,ISEN,EN,SDA,SCL,FB,COMP-0.3Vto30V

BS-LX,VCC,ADDR,/INT-0.3Vto4V

PowerDissipation,PD@TA=25°CQFN4×4-324W

PackageThermalResistance(Note2)

θJA28°C/W

JC2.8°C/W

JunctionTemperature150°C

LeadTemperature(Soldering,10sec.)260°C

StorageTemperatureRange-65°Cto150°C

DynamicLXvoltagein50nsDuration-5Vto31V

RecommendedOperatingConditions(Note3)

BATInputVoltage4Vto28V

VBUSVoltage4Vto28V

JunctionTemperatureRange-40°Cto125°C

AmbientTemperatureRange-40°Cto85°C

ElectricalCharacteristics

(VBAT=12V,VVBUS=12V,TA=25°C,unlessotherwisespecified)

ParameterSymbolTestConditionsMinTypMaxUnit

BATVoltageRangeVBAT428V

VBUSVoltageRangeVBUS428V

LDOVoltageVCCILDO=50mA3.123.33.37V

LDOCurrentLimitILMT_LDO100mA

LDODropoutVoltageVDROPOUTILDO=50mA250mV

QuiescentCurrentIQNoswitching310410µA

ShutdownCurrentISDICisdisabled9.615.5µA

FeedbackReferenceVoltageVREFSinkMode0.9711.03V

FBInputCurrentIFB-5050nA

Sourcemode,VBUS

voltagesetting

VBUSVoltageSet-pointV11.821212.18V

BUS,SETregister

0x01[5:3]='101'

VVBUSOVPpoint

VBUSOVPThresholdBUS,OVP120%V

0x02[4:3]='10'BUS,SET

InternalPowerMOSFETRDS(ON)RDS(ON)25mΩ

0x03[7:6]='00'6A

InductorAverageCurrentLimitIAVG0x03[7:6]='10'8A

0x03[7:6]='11'10A

0x03[7:6]='00'6.88.811.1A

InductorPeakCurrentLimitIPK0x03[7:6]='10'8.210.412.5A

0x03[7:6]='11'10.213.215.8A

VBUS/BATInputUVLO

V3.33.7V

ThresholdUVLO

UVLOHysteresisVHYS0.2V

ENLogicHighThresholdVENH1.5V

ENLogicLowThresholdVENL0.5V

0x02[7:5]='000'91827mV

0x02[7:5]='001'142332mV

VBUSOutputCurrentLimit

V0x02[7:5]='010'192837mV

VoltageThresholdBUS.ILIM

0x02[7:5]='011'243341mV

0x02[7:5]='100'283746mV

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SY9329

0x02[7:5]='101'384755mV

0x02[7:5]='110'475665mV

0x02[7:5]='111'626671mV

OscillatorFrequencyfOSC0x01[7:6]='01'425500575kHz

MinOnTimetON_MIN150ns

ThermalShutdownTemperatureTSD150°C

ThermalShutdownHysteresisTHYS15°C

Sourcemode,

Soft-startTimetss1.5ms

VVBUS=5V

ADCControl

ADCResolution8Bits

ADCVoltageSenseAccuracyVBAT=23V-55%

ADCCurrentSenseAccuracyVVBUS-VISEN=71mV-1515%

VBATFullScaleRange025V

VBUSFullScaleRange025V

SenseCurrentFullScaleRange071mV

I2CCOMPATIBLEINTERFACE

MaximumOperatingFrequency400kHz

SDAandSCLInputLogicLogic_L0.8V

ThresholdLogic_H2V

SDAOutputLowVoltage3mAsinkcurrent0.4V

Note1:Stressesbeyondthe“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Theseare

stressratingsonly.Functionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedinthe

operationalsectionsofthespecificationisnotimplied.Exposuretoabsolutemaximumratingconditionsfor

extendedperiodsmayaffectdevicereliability.

Note2:θJAismeasuredinthenaturalconvectionatTA=25°Conafour-layerSilergyEvaluationBoard.

Note3:Thedeviceisnotguaranteedtofunctionoutsideitsoperatingconditions.

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SY9329

TypicalFunctionDescription

I2CCompatibleInterface

TheSY9329integratesanI2Ccompatibleinterface.Toensurecompatibilitywithawiderangeofsystemprocessors,

theI2Cinterfacesupportsclockspeedsofupto400kHz(“Fast-Mode”)andusesstandardI2Ccommands.The

SY9329alwaysoperatesasaslavedevice,andisaddressedusinga7-bitslaveaddressfollowedbyan8thbit,which

indicateswhetherthetransactionisaread-operationorawrite-operation.

I2CDeviceAddress

WhencommunicatingwithmultipledevicesusingtheI2Cinterface,eachdevicemusthaveitsownuniqueaddress

sothehostcandistinguishbetweenthedevices.Themostsignificant4-bitsofthedeviceaddressis'1110'.The5th,6th

and7th-bitdeviceaddressisselectedbytheADDRpin.

ADDRDeviceAddress

ADDRshorttoGND1110000

50kΩ<RADDR<100kΩ1110001

400kΩ<RADDR<500kΩ1110010

FloatingorconnecttoVCC1110011

STARTandSTOPConditions

TheSTARTconditionisaHIGHtoLOWtransitionoftheSDAlinewhileSCLisHIGH.TheSTOPconditionisa

LOWtoHIGHtransitionontheSDAlinewhileSCLisHIGH.ASTOPconditionmustbesentbeforeeachSTART

condition.TheI2CmasteralwaysgeneratestheSTARTandSTOPconditions.

SDA

SCL

STARTSTOP

CONDITIONCONDITION

DataValidity

ThedataontheSDAlinemustbestableduringtheHIGHperiodoftheSCL,unlessgeneratingaSTARTorSTOP

condition.TheHIGHorLOWstateofthedatalinecanonlychangewhentheclocksignalontheSCLlineisLOW.

SDA

SCL

DATALINECHANGE

STABLEOFDATA

DATAVALIDALLOWED

Acknowledge

Eachaddressanddatatransmissionuses9-clockpulses.Theninthpulseistheacknowledgebit(ACK).Afterthe

——

STARTcondition,themastersends7-slaveaddressbitsandanR/Wbitduringthenext8-clockpulses.Duringthe

ninthclockpulse,thedevicethatrecognizesitsownaddressholdsthedatalinelowtoacknowledge.The

acknowledgebitisalsousedbyboththemasterandtheslavetoacknowledgereceiptofregisteraddressesanddata.

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SY9329

SDA

SCL

1289

STARTACK

CONDITIONFROMSLAVE

DataTransactions

2

AlltransactionsstartwithacontrolbytesentfromtheICmaster——device.The——controlbytebeginswithaSTART

condition,followedby7-bitsofslaveaddressfollowedbytheR/Wbit.TheR/Wbitis0forawriteor1foraread.

IfanyslavedevicesontheI2Cbusrecognizetheiraddress,theywillacknowledgebypullingtheSDAlinelowfor

thelastclockcycleinthecontrolbyte.Ifnoslavesexistatthataddressorarenotreadytocommunicate,thedata

linewillbe1,indicatingaNotAcknowledgecondition.Oncethecontrolbyteissent,andtheslaveacknowledgesit,

the2ndbytesentbythemastermustbearegisteraddressbyte.Theregisteraddressbytetellstheslavewhich

registerthemasterwillwriteorread.Oncetheslavereceivesaregisteraddressbyteitrespondswithan

acknowledge.IfaSTOPconditionisdetectedaftertheregisteraddressbyteisreceived,theSY9329takesnofurther

actionbutstoringtheregisteraddressbyte.Theregisteraddressbyteautoincreasewhenmultipledatebytesare

transited.

Write

SSLAVEAREGISTERADATA1ADATA2ADATAnAP

ADDR+WADDR

RandomRead

SLAVEREGISTERSLAVE

SAASADATA1ADATA2ADATAnNP

ADDR+WADDRADDR+R

SSTARTAACKNOWLEDGEDRIVENBYTHEMASTER

PSTOPNNOACKNOWLEDGEDRIVENBYSLAVE

RegisterMap:

AddressDataNote

00ControlRegister1R/W

01ControlRegister2R/W

02Protectionsetting1R/W

03Protectionsetting2R/W

04StateRegisterR

05/INTRegisterReadthenClear

06BATVoltageValueRegister

07VBUSVoltageValueRegisterR

08VBUSOutputCurrentSenseVoltageRegister

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SY9329

ControlRegister1(0x00)

Name#ofBitsAccessDefaultDescription

0:Disable