ProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityTUSB8041
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TUSB8041Four-PortUSB3.0Hub
1Features
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FourPortUSB3.0HubUSB2.0HubFeatures
–MultiTransactionTranslator(MTT)Hub:FourTransactionTranslators
–FourAsynchronousEndpointBuffersPerTransactionTranslatorSupportsBatteryCharging
–CDPMode(UpstreamPortConnected)–DCPMode(UpstreamPortUnconnected)–DCPModeComplieswithChinese
TelecommunicationsIndustryStandardYD/T1591-2009
–D+/D-DividerMode
SupportsOperationasaUSB3.0orUSB2.0CompoundDevice
PerPortorGangedPowerSwitchingandOver-CurrentNotificationInputs
OTPROM,SerialEEPROMorI2C/SMBusSlaveInterfaceforCustomConfigurations:–VIDandPID
–PortCustomizations
–ManufacturerandProductStrings(notbyOTPROM)
–SerialNumber(notbyOTPROM)
ApplicationFeatureSelectionUsingPinSelectionorEEPROM/orI2C/SMBusSlaveInterfaceProvides128-BitUniversallyUniqueIdentifier(UUID)
SupportsOn-BoardandIn-SystemOTP/EEPROMProgrammingViatheUSB2.0UpstreamPort
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SingleClockInput,24-MHzCrystalorOscillatorNoSpecialDriverRequirements;Works
SeamlesslyonanyOperatingSystemwithUSBStackSupport
64-PinQFNPackage(RGC)
2Applications
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ComputerSystemsDockingStationsMonitors
Set-TopBoxes
3Description
TheTUSB8041isafour-portUSB3.0hub.ItprovidessimultaneousSuperSpeedUSBandhigh-speed/full-speedconnectionsontheupstreamportandprovidesSuperSpeedUSB,high-speed,full-speed,orlow-speedconnectionsonthedownstreamports.Whentheupstreamportisconnectedtoanelectricalenvironmentthatonlysupportshigh-speedorfull-speed/low-speedconnections,SuperSpeedUSBconnectivityisdisabledonthedownstreamports.Whentheupstreamportisconnectedtoanelectricalenvironmentthatonlysupportsfull-speed/low-speedconnections,SuperSpeedUSBandhigh-speedconnectivityaredisabledonthedownstreamports.
DeviceInformation(1)
PARTNUMBERTUSB8041TUSB8041I
PACKAGEVQFN(64)
BODYSIZE(NOM)9.00mm×9.00mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
4Diagram
USB3.0HDDUSB2.0HubUSB2.0WebcamUSB2.0HDDUSB1.1MousePersonalComputerTUSB8041USB2.0USB3.0HubUSB2.0PrinterUSB3.0HDDUSB3.0HDDUSB1.1KeyboardUSB1.x ConnectionUSB2.0ConnectionUSB3.0ConnectionUSB3.0HubUSB3.0DeviceUSB2.0DeviceUSB1.x DeviceAnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.TUSB8041
SLLSEE4C–JUNE2014–REVISEDJULY2015
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TableofContents
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Features..................................................................Applications...........................................................Description.............................................................Diagram...................................................................RevisionHistory.....................................................Description(Continued)........................................PinConfigurationandFunctions.........................Specifications.........................................................
8.18.28.38.48.58.68.7
11112349
9.4DeviceFunctionalModes........................................159.5RegisterMaps.........................................................16
10ApplicationsandImplementation......................28
10.1ApplicationInformation..........................................2810.2TypicalApplication................................................28
11PowerSupplyRecommendations.....................36
11.1TUSB8041PowerSupply.....................................3611.2DownstreamPortPower.......................................3611.3Ground..................................................................36
AbsoluteMaximumRatings.....................................9ESDRatings..............................................................9RecommendedOperatingConditions.......................9ThermalInformation................................................10ElectricalCharacteristics,3.3-VI/O........................10TimingRequirements,Power-Up............................11HubInputSupplyCurrent.......................................11
12Layout...................................................................37
12.1LayoutGuidelines.................................................3712.2LayoutExamples...................................................38
13DeviceandDocumentationSupport.................40
13.113.213.313.4
CommunityResources..........................................Trademarks...........................................................ElectrostaticDischargeCaution............................Glossary................................................................
40404040
9DetailedDescription............................................12
9.1Overview.................................................................129.2FunctionalBlockDiagram.......................................129.3FeatureDescription.................................................12
14Mechanical,Packaging,andOrderable
Information...........................................................40
5RevisionHistory
ChangesfromRevisionB(January2015)toRevisionC?
Page
ChangedFigure12,addedVDDpin8................................................................................................................................33
Page
ChangesfromRevisionA(July2014)toRevisionB??????
AddedNote\switchingmustbesupportedforbatterychargingapplications\topinFULLPWRMGMTz/
SMBA1/SS_UPinthePinFunctionstable.............................................................................................................................7AddedNote\powercontrolmustbeenabledforbatterychargingapplications\topinGANGED/SMBA2/
HS_UPinthePinFunctionstable..........................................................................................................................................8ChangedtheHandlingRatingstabletotheESDRatingstable.............................................................................................9ChangedtheTimingRequirements,Power-Uptable:Deletedtextfromthetd1description:\isnotiming
relationshipbetweenVDD33andVDD\AddedNote2totheMINvalue...........................................................................11AddedNote:\activeresetisrequired..\TotheTimingRequirements,Power-Uptable.................................................11ChangedtextintheClock,Reset,andMiscsectionFrom:\PWRCTL_POLispulleddownwhichresultsin
activehighpowerenable\To:\PWRCTL_POLispulleddownwhichresultsinactivelowpowerenable\.................33
Page
ChangesfromOriginal(June2014)toRevisionA???????
ChangedthedevicestatusFrom:PreviewTo:Production...................................................................................................1ChangedFeatureFrom:SupportsUSBBatteryChargingSpecificationRevision1.2To:SupportsBatteryCharging.........1ChangedFeatureFrom:SupportsD+/D-DividerModeTo:D+/D-DividerMode..................................................................1ChangedDescriptionparagraph:\TUSB8041downstreamportsprovide...\3ChangedtheBatteryChargingFeaturessection.................................................................................................................13ChangedNote3ofTable1.................................................................................................................................................13ChangedNote1ofTable1.................................................................................................................................................13
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TUSB8041
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6Description(Continued)
TheTUSB8041supportsperportorgangedpowerswitchingandover-currentprotection,andsupportsbatterychargingapplications.
AnindividuallyportpowercontrolledhubswitchespoweronorofftoeachdownstreamportasrequestedbytheUSBhost.Alsowhenanindividuallyportpowercontrolledhubsensesanover-currentevent,onlypowertotheaffecteddownstreamportwillbeswitchedoff.
Agangedhubswitchesonpowertoallitsdownstreamportswhenpowerisrequiredtobeonforanyport.Thepowertothedownstreamportsisnotswitchedoffunlessallportsareinastatethatallowspowertoberemoved.Alsowhenagangedhubsensesanover-currentevent,powertoalldownstreamportswillbeswitchedoff.TheTUSB8041downstreamportsprovidesupportforbatterychargingapplicationsbyprovidingBatteryChargingDownstreamPort(CDP)handshakingsupport.ItalsosupportsaDedicatedChargingPort(DCP)modewhentheupstreamportisnotconnected.TheDCPmodesupportsUSBdeviceswhichsupportwiththeUSBBatteryChargingandChineseTelecommunicationsIndustryStandardYD/T1591-2009.Inaddition,anautomaticmodeprovidestransparentsupportforBCdevicesanddevicessupportingDividerModechargingsolutionswhentheupstreamportunconnected.
TheTUSB8041providespinstrapconfigurationforsomefeaturesincludingbatterychargingsupport,andalsoprovidescustomizationthoughOTPROM,I2CEEPROMorviaanI2C/SMBusslaveinterfaceforPID,VID,andcustomportandphyconfigurations.CustomstringsupportisalsoavailablewhenusinganI2CEEPROMortheI2C/SMBusslaveinterface.
Thedeviceisavailableina64-pinRGCpackageandisofferedinacommercialversion(TUSB8041)foroperationoverthetemperaturerangeof0°Cto70°C,andinanindustrialversion(TUSB8041I)foroperationoverthetemperaturerangeof-40°Cto85°C.
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TUSB8041
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7PinConfigurationandFunctions
RGCPackage
64Pin(TopView)
FULLPWRMGMTz/SMBA1/SS_UPAUTOENz/HS_SUSPENDSMBUSz/SS_SUSPENDGANGED/SMBA2/HS_UPPWRCTL1/BATEN1PWRCTL2/BATEN2484746454443424140393837363534TEST49GRSTz50VDD51VDD3352USB_DP_UP53USB_DM_UP54USB_SSTXP_UP55USB_SSTXM_UP56PWRCTL3/BATEN33332PWRCTL4/BATEN431VDD30USB_SSRXM_DN429USB_SSRXP_DN428VDD27USB_SSTXM_DN426USB_SSTXP_DN425USB_DM_DN424USB_DP_DN423USB_SSRXM_DN322USB_SSRXP_DN321VDD20USB_SSTXM_DN319USB_SSTXP_DN318USB_DM_DN317USB_DP_DN316PWRCTL_POLSDA/SMBDATSCL/SMBCLKOVERCUR2zOVERCUR1zOVERCUR3zOVERCUR4zUSB_VBUSVSSVDD57USB_SSRXP_UP58USB_SSRXM_UP59NC60XO61XI62VDD3363USB_R164123456789101112131415USB_SSRXM_DN1USB_DM_DN1USB_DP_DN1USB_SSTXM_DN1USB_SSTXP_DN1USB_SSRXP_DN1VDDVDDVDDUSB_SSRXM_DN2USB_SSTXM_DN2USB_SSRXP_DN2USB_SSTXP_DN2USB_DM_DN2USB_DP_DN2VDD334SubmitDocumentationFeedbackCopyright?2014–2015,TexasInstrumentsIncorporated
VDD33TUSB8041
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PinFunctions
PINNAME
ClockandResetSignalsGRSTzXI
5062
IPUI
Globalpowerreset.ThisresetbringsalloftheTUSB8041internalregisterstotheirdefaultstates.WhenGRSTzisasserted,thedeviceiscompletelynonfunctional.
Crystalinput.Thispinisthecrystalinputfortheinternaloscillator.Theinputmayalternatelybedrivenbytheoutputofanexternaloscillator.Whenusingacrystala1-M?feedbackresistorisrequiredbetweenXIandXO.
Crystaloutput.Thispinisthecrystaloutputfortheinternaloscillator.IfXIisdrivenbyanexternaloscillatorthispinmaybeleftunconnected.Whenusingacrystala1-M?feedbackresistorisrequiredbetweenXIandXO.
USBSuperSpeedtransmitterdifferentialpair(positive)USBSuperSpeedtransmitterdifferentialpair(negative)USBSuperSpeedreceiverdifferentialpair(positive)USBSuperSpeedreceiverdifferentialpair(negative)USBHigh-speeddifferentialtransceiver(positive)USBHigh-speeddifferentialtransceiver(negative)
Precisionresistorreference.A9.53-k?±1%resistorshouldbeconnectedbetweenUSB_R1andGND.
USBupstreamportpowermonitor.TheVBUSdetectionrequiresavoltagedivider.ThesignalUSB_VBUSmustbeconnectedtoVBUSthrougha90.9-K?±1%resistor,andtogroundthrougha10-k?±1%resistorfromthesignaltoground.USBSuperSpeedtransmitterdifferentialpair(positive)USBSuperSpeedtransmitterdifferentialpair(negative)USBSuperSpeedreceiverdifferentialpair(positive)USBSuperSpeedreceiverdifferentialpair(negative)USBHigh-speeddifferentialtransceiver(positive)USBHigh-speeddifferentialtransceiver(negative)
USBPort1PowerOnControlforDownstreamPower/BatteryChargingEnable.ThepinisusedforcontrolofthedownstreampowerswitchforPort1.
PWRCTL1/BATEN1
36
Inaddition,thevalueofthepinissampledatthede-assertionofresettodeterminethevalue
I/O,PDofthebatterychargingsupportforPort1asindicatedintheBatteryChargingSupport
register:
0=Batterychargingnotsupported1=Batterychargingsupported
USBPort1Over-CurrentDetection.ThispinisusedtoconnecttheovercurrentoutputofthedownstreamportpowerswitchforPort1.0=Anovercurrenteventhasoccurred
OVERCUR1z
46
I,PU
1=Anovercurrenteventhasnotoccurred
Thispincanbeleftunconnectedifpowermanagementisnotimplemented.Ifpower
managementisenabled,theexternalcircuitryneededshouldbedeterminedbythepowerswitch.
USB_SSTXP_DN2USB_SSTXM_DN2USB_SSRXP_DN2USB_SSRXM_DN2USB_DP_DN2USB_DM_DN2
11121415910
OOIII/OI/O
USBSuperSpeedtransmitterdifferentialpair(positive)USBSuperSpeedtransmitterdifferentialpair(negative)USBSuperSpeedreceiverdifferentialpair(positive)USBSuperSpeedreceiverdifferentialpair(negative)USBHigh-speeddifferentialtransceiver(positive)USBHigh-speeddifferentialtransceiver(negative)
NO.
I/O
DESCRIPTION
XO
USBUpstreamSignalsUSB_SSTXP_UPUSB_SSTXM_UPUSB_SSRXP_UPUSB_SSRXM_UPUSB_DP_UPUSB_DM_UPUSB_R1USB_VBUS
USBDownstreamSignalsUSB_SSTXP_DN1USB_SSTXM_DN1USB_SSRXP_DN1USB_SSRXM_DN1USB_DP_DN1USB_DM_DN1
61O
5556585953546448
OOIII/OI/OII
346712
OOIII/OI/O
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