TUSB4041I Four-Port USB 2.0 Hub datasheet (Rev. E)

1 USB HubUSB PortUSB ConnectionUSB ConnectionUSB DeviceUSB DevicePersonalComputerTUSB4041 IUSB KeyboardType APortUSB2 WebCAMUSB MouseTICopyright 2016, Texas Instruments Incorporated ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand JULY2015 REVISEDSEPTEMBER2017 TUSB4041 IFour-PortUSB Hub11 Features1 FourPort Hub Hub Features MultiTransactionTranslator(MTT)Hub:FourT ransactionTranslators FourAsynchronousEndpointBuffersperTransa ctionTranslator SupportsUSBB atteryCharging CDPMode(UpstreamPort Connected) DCPMode(UpstreamPort Unconnected) DCPModeCompliesWithChineseTelecommunicat ionsIndustryStandardYD/T1591-2009 SupportsD+ and D DividerMode Per Port or GangedPowerSwitchingandOvercurrentNotifi cationInputs OTPROM,SerialEEPROMor I2C and SMBusSlaveInterfacefor CustomConfigurations.

2 VIDand PID CustomizablePorts Manufacturerand ProductStrings(not by OTPROM) SerialNumber(not by OTPROM) ApplicationFeatureSelectionUsingPin Selectionor EEPROM,I2C, or SMBusSlaveInterface Provides128-BitUniversallyUniqueIdentifi er(UUID) SupportsOn-Boardand In-SystemOTPandEEPROMP rogrammingThroughthe SingleClockInput,24-MHzCrystalor Oscillator DM/DPPolaritySwap TypeC Compatible No SpecialDriverRequirements;WorksSeamlessl yon any OperatingSystemWithUSBS tackSupport 64-PinHTQFPP ackage(PAP)2 Applications ComputerSystems DockingStations Monitors Set-TopBoxes3 DescriptionThe TUSB4041 Ideviceis a full-speedconnectionson the devicealsoprovidesUSBhigh-speed,full-spe ed,or low-speedconnectionson the connectedto anelectricalenvironmentthatonlysupportsh igh-speed,full-speed,andlow-speedconnect ions,the USBhigh-speed,full-speedandlow-speedconn ectivityisenabledon connectedto anelectricalenvironmentthatonlysupportsf ull-speedor low-speedconnections,the USBhigh-speedconnectivityare disabledon the (1)PARTNUMBERPACKAGEBODYSIZE(NOM)TUSB404 1 IHTQFP(64) (1)

3 For all availablepackages,see the orderableaddendumatthe end of the JULY2015 :TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporatedTableof Contents1 Description(continued)..36 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (July2017)to RevisionEPage ChangedsmbusRstFrom:Bit 6 To: Bit 1, and cfgActive1 From:Bit 5 To: Bit 0 Table25 ..28 ChangesfromRevisionC (September2016)to RevisionDPage Deletedparagraph:"Eachbit correspondsdirectlyto a example:used0correspondstodownstreamport 1, used1correspondsto downstreamport 2, and so on.

4 All combinationsare supportedwith theexceptionof bothports1 and 3 markedas disabled." (December2015)to RevisionCPage AddedSMBUSP rogrammingcurrenttoHub AddedNOTEto Addedtext "This devicewill alwaysreportthe XORedPID LSB valueof 0x42" to the Descriptionof Table7 ..18 ChangesfromRevisionA (September2015)to RevisionBPage Changedthe configurationof the PWRCTL_POLpin (R17)in theClock,Reset,and (July2015)to RevisionAPage Changedpin numberfor USB_DP_DN1and USB_DP_DN2in thePin JULY2015 REVISEDSEPTEMBER2017 ProductFolderLinks:TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporated5 Description(continued)

5 The TUSB4041 Idevicesupportsper-portor gangedpowerswitchingand individuallyport-power-controlledhub switchespoweron or off to eachdownstreamport as requestedby individuallyport-power-controlledhub sensesan overcurrentevent,only powerto theaffecteddownstreamport is gangedhub switcheson powerto all of the downstreamportswhenpoweris requiredto be on for any powerto the downstreamportsis not switchedoff unlessall portsare in a statethat allowspowerto ,whena gangedhub sensesan overcurrentevent,powerto all downstreamportsare TUSB4041 Idevicedownstreamportsprovidesupportfor batterychargingapplicationsby providingUSBbatterychargingdownstream-po rt(CDP) devicealso supportsa dedicatedcharging-port (DCP)

6 Modewhenthe upstreamport is not DCPmodeis compliantwith the USBbatterychargingspecificationand ,an automaticmodeprovidestransparentsupportf or BC devicesand devicessupportingdivider-modechargingsol utionswhenthe upstreamport TUSB4041 Ideviceprovidespin-strapconfigurationfor somefeaturesincludingbatterychargingsupp ort,and also providescustomizationthoughOTPROM,I2C EEPROM,or throughan I2C and SMBusslaveinterfacefor PID, VID, and customport and phy also availablewhenusingan I2 CEEPROMor the I2C and deviceis availablein a 64-pinPAPpackageand is offeredin a industrialversionfor operationoverthetemperaturerangeof 40 C to 85 JULY2015.

7 TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporated(1)I = Input,O = Output,I/O = Input/output,PU = Internalpullupresistor,PD = Internalpulldownresistor,and PWR= Powersignal6 Pin Configurationand FunctionsPAPP ackage64-PinHTQFPWithPowerPAD Top ViewNC = No internalconnectionPin FunctionsPINI/O(1)TYPE(1) resetbringsall of the TUSB4041 Ideviceinternalregisterstothe GRST zpin is asserted,the deviceis pin is the crystalinputfor the inputmayalternatelybe drivenby the outputof an crystal,a 1-M feedbackresistoris requiredbetweenthe XI and XO JULY2015 REVISEDSEPTEMBER2017 ProductFolderLinks.

8 TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporatedPin Functions(continued)PINI/O(1)TYPE(1) pin is the crystaloutputfor the the XI pin isdrivenby an externaloscillator,this pin may be left ,a 1-M feedbackresistoris requiredbetweenthe XI and XO USBhigh-speeddifferentialtransceiver(neg ative)USB_DP_UP21I/O USBhigh-speeddifferentialtransceiver(pos itive)USB_R132I 1% resistorbetweenthe USB_R1pin and USBupstreamport VBUS detectionrequiresa signalUSB_VBUS mustbe connectedto VBUS througha 1% resistorand to groundthrougha 10-k 1% resistorfromthe signalto 1 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not pin can be left unconnectedif powermanagementis not powermanagementis enabled.

9 The necessaryexternalcircuitryshouldbe determinedby 2 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not powermanagementis not implemented,leavethis pin powermanagementis enabled,the necessaryexternalcircuitryshouldbe determinedby 3 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not pin can be left unconnectedif powermanagementis not powermanagementis enabled,the necessaryexternalcircuitryshouldbe determinedby 4 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not pin can be left unconnectedif powermanagementis not powermanagementis enabled,the necessaryexternalcircuitryshouldbe determinedby 1 power-oncontrolfor downstreampowerand is usedfor controlof the downstreampowerswitchfor port valueof the pin is sampledat the deassertionof resetto determinethe valueofthe batterychargingsupportfor port 1 as indicatedin theBatteryChargingSupportRegister.

10 0 = Batterychargingnot supported1 = BatterychargingsupportedPWRCTL2/BATEN23I /OPDUSB port 2 power-oncontrolfor downstreampowerand is usedfor controlof the downstreampowerswitchfor port valueof the pin is sampledat the deassertionof resetto determinethe valueofthe batterychargingsupportfor Port 2 as indicatedin theBatteryChargingSupportRegister:0 = Batterychargingnot supported1 = Batterychargingsupported6 TUSB4041 ISLLSEK3E JULY2015 :TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporatedPin Functions(continued)PINI/O(1)TYPE(1) 3 power-oncontrolfor downstreampowerand is usedfor controlof the downstreampowerswitchfor port valueof the pin is sampledat the deassertionof resetto determinethe valueofthe batterychargingsupportfor Port 3 as indicatedin theBatteryChargingSupportRegister.