Microchip USB5826集线器解决方案.docx
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Microchip USB5826集线器解决方案.docx
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MicrochipUSB5826集线器解决方案
MicrochipUSB5826六端口USB3.1Gen1智能集线器解决方案
microchip公司的USB5826是六端口USB3.1Gen1智能集线器控制器,支持双USBType-CTMDFP,具有用于嵌入USB应按用的先进特性.USB5826完全和USBRevision3.1标准和USB2.0Link电源管理附录兼容.支持5Gbps超速(SS),480Mbps高速(HS),12Mbps全速(FS)和1.5Mbps低速(LS).USB5826通过专用的USB2.0集线器控制器还支持以前的确USB速度(HS/FS/LS).超速集线器控制器和USB2.0集线器控制器并行工作,由于较低的USB2.0流量解决了5GbpsSS数据传输瓶颈问题.主要用在单独可用的USB集线器,笔记本电脑坞站,PC母板,PC监视器坞站,多功能USB3.1Gen1外设.中电网为您整理如下详细资料,本文介绍了USB5826亮点,主要特性,应用电路以及评估板EVB-USB5816主要特性,框图,电路图,材料清单和PCB设计图.
6-PortUSB3.1Gen1SmartHubwithSupportforDualUSBType-CTMDFPs
TheMicrochipUSB5826hubisalow-power,OEMconfigurable,USB3.1Gen1hubcontrollerwith6downstreamportsandadvancedfeaturesforembeddedUSBapplications.TheUSB5826isfullycompliantwiththeUniversalSerialBusRevision3.1SpecificationandUSB2.0LinkPowerManagementAddendum.TheUSB5826supports5GbpsSuper-Speed(SS),480MbpsHi-Speed(HS),12MbpsFull-Speed(FS),and1.5MbpsLow-Speed(LS)USBdownstreamdevicesonallenableddownstreamports.
TheUSB5826supportsthelegacyUSBspeeds(HS/FS/LS)throughadedicatedUSB2.0hubcontrollerthatistheculminationoffivegenerationsofMicrochiphubcontrollerdesignandexperiencewithprovenreliability,interoperability,anddevicecompatibility.TheSuperSpeedhubcontrolleroperatesinparallelwiththeUSB2.0hubcontroller,decouplingthe5GbpsSSdatatransfersfrombottlenecksduetotheslowerUSB2.0traffic.
TheUSB5826hubfeaturecontrollerenablesOEMstoconfiguretheirsystemusing“ConfigurationStraps.”Thesestrapssimplifytheconfigurationprocess,assigningdefaultvaluestoUSB3.1Gen1portsandGPIOs.OEMscandisableports,enablebatterycharging,anddefineGPIOfunctionsasdefaultassignmentsonpower-up,removingtheneedforOTPorexternalSPIROM.
TheUSB5826supportsdownstreambatterychargingviatheintegratedbatterychargerdetectioncircuitry,whichsupportstheUSB-IFBatteryCharging(BC1.2)detectionmethodandmostAppledevices.TheUSB5826providesthebatterycharginghandshakeandsupportsthefollowingUSB-IFBC1.2chargingprofiles:
•DCP:
DedicatedChargingPort(Powerbrickwithnodata)
•CDP:
ChargingDownstreamPort(1.5Awithdata)
•SDP:
StandardDownstreamPort(0.5Awithdata)
•CustomprofilesloadedviaSMBusorOTP
Additionally,theUSB5826includesmanypowerfulanduniquefeaturessuchas:
TheHubFeatureController,whichprovidesaninternalUSBdevicededicatedforuseasaUSBtoI2C/UART/SPI/GPIOinterface,allowingexternalcircuitsordevicestobemonitored,controlled,orconfiguredviatheUSBinterface.PortSwap,whichaddsper-portprogrammabilitytoUSBdifferential-pairpinlocations.PortSwapallowsdirectalignmentofUSBsignals(D+/D-)toconnectorstoavoiduneventracelengthorcrossingoftheUSBdifferentialsignalsonthePCB.
PHYBoost,whichprovidesprogrammablelevelsofHi-SpeedUSBsignaldrivestrengthinthedownstreamporttransceivers.PHYBoostattemptstorestoreUSBsignalintegrityinacompromisedsystemenvironment.ThegraphicontherightshowsanexampleofHi-SpeedUSBeyediagramsbeforeandafterPHYBoostsignalintegrityrestoration.Inacompromisedsystemenvironment.
VariSense,whichcontrolstheUSBreceiversensitivityenablingprogrammablelevelsofUSBsignalreceivesensitivity.
Thiscapabilityallowsoperationinasub-optimalsystemenvironment,suchaswhenacaptiveUSBcableisused.
PortSplit,whichallowsfortheUSB3.1Gen1andUSB2.0portionsofdownstreamports3and4tooperateindependentlyandenumeratetwoseparatedevicesinparallelinspecialapplications.
USBPowerDeliveryBillboardDevice,whichallowsaninternaldevicetoenumerateasaBillboardclassdevicewhenaPowerDeliveryAlternateModenegotiationhasfailed.TheBillboarddevicewillenumeratetemporarilytothehostPCwhenafailureoccurs,asindicatedbyadigitalsignalfromanexternalPowerDeliverycontroller.
TheUSB5826canbeconfiguredforoperationthroughinternaldefaultsettings.CustomOEMconfigurationsaresupportedthroughexternalSPIROMorOTPROM.Allportcontrolsignalpinsareunderfirmwarecontrolinordertoallowformaximumoperationalflexibility,andareavailableasGPIOsforcustomerspecificuse.
TheUSB5826isavailableincommercial(0℃to+70℃)andindustrial(-40℃to+85℃)temperatureranges.
USB5826亮点:
•USBHubFeatureControllerICHubwith:
-2USB3.1Gen1USBType-CTMdownstreamports
-2USB3.1Gen1legacydownstreamports
-2USB2.0downstreamports
-Legacyupstreamport
•USB-IFBatteryChargerrevision1.2supportonup&downstreamports(DCP,CDP,SDP)
•InternalHubFeatureControllerdeviceenables:
-USBtoI2C/SPI/GPIObridgeendpointsupport
-USBtointernalhubregisterwriteandread
•USBLinkPowerManagement(LPM)support
•EnhancedOEMconfigurationoptionsavailablethrougheitherOTPorSPIROM
•Availablein100-pin(12mmx12mm)VQFNRoHScompliantpackage
•CommercialandindustrialgradetemperatureSupport
USB5826主要优势:
•USB3.1Gen1compliant5Gbps,480Mbps,12Mbps,and1.5Mbpsoperation
-5VtolerantUSB2.0pins
-1.32VtolerantUSB3.1Gen1pins
-Integratedterminationandpull-up/downresistors
•NativeUSBType-CSupport
-IntegratedMultiplexeronUSBType-Cenabledports
-USB3.1Gen1PHYsaredisableduntilavalid
USBType-Cattachisdetected,savingidlepower
•Supportsbatterychargingofmostpopularbatterypowereddevicesonallports
-USB-IFBatteryChargingrev.1.2support(DCP,CDP,SDP)
-Apple®portableproductchargeremulation
-ChineseYD/T1591-2006chargeremulation
-ChineseYD/T1591-2009chargeremulation
-EuropeanUnionuniversalmobilechargersupport
-SupportforMicrochipUCS100xfamilyofbatterychargingcontrollers
-Supportsadditionalportabledevices
•Smartportcontrolleroperation
-Firmwarehandlingofcompanionportpowercontrollers
•On-chipmicrocontroller
-managesI/Os,VBUS,andothersignals
•8KBRAM,64KBROM
•8KBOne-Time-Programmable(OTP)ROM
-Includeson-chipchargepump
•ConfigurationprogrammingviaOTPROM,SPIROM,orSMBus
•PortSwap
-ConfigurableUSB2.0differentialpairsignalswap
•PHYBoostTM
-ProgrammableUSBtransceiverdrivestrengthforrecoveringsignalintegrity
•VariSenseTM
-ProgrammableUSBreceivesensitivity
•PortSplit
-USB2.0andUSB3.1Gen1portoperationcanbesplitforcustomapplicationsusingembeddedUSB3.xdevicesinparallelwithUSB2.0devices.
•USBPowerDeliveryBillboardDeviceSupport
-InternalportcanenumerateasaPowerDeliveryBillboarddevicetocommunicatePowerDeliveryAlternateModenegotiationfailurecasestoUSBhost
•CompatiblewithMicrosoftWindows10,8,7,XP,AppleOSX10.4+,andLinuxhubdrivers
•Optimizedforlow-poweroperationandlowthermaldissipation
•Package
-100-pinVQFN(12mmx12mm)
USB5826目标应用:
•StandaloneUSBHubs
•LaptopDocks
•PCMotherboards
•PCMonitorDocks
•Multi-functionUSB3.1Gen1Peripherals
图1.USB5826框图
图2.USB5826UFPType-C端口和微芯片UTC2000&外接复接器(MUX)框图
图3.USB5826UFPType-C端口和微芯片UTC2000&外接MUX(MODE1)框图
图4.USB5826UFPType-C端口和通用Type-C控制器&内部MUX(MODE2)框图
评估板EVB-USB5816
TheEVB-USB5816EvaluationKitisademonstrationandevaluationplatformthatprovides
thenecessaryrequirementsandinterfaceoptionsforevaluatingtheEVB-USB5816,a6-portSuperSpeed(SS)USBSmartHub™IConafour-layerRoHS-compliantPrintedCircuitBoard(PCB).Thisallowsuserstogainanunderstandingoftheproductandacceleratethe integrationoftheEVB-USB5816intotheirdesign.
TheEVB-USB5816iscompliantwiththeUSB2.0Hi-Speed(HS),Full-Speed(FS),andLow-Speed(LS)USBsignaling.TheEVB-USB5816isalsocompliantwithUSB3.2Gen1ontheupstreamportandondownstreamports1to5.
Theevaluationplatformsupportssixdownstreamports:
oneUSB3.1Gen1Type-C®port,fourUSB3.1Gen1portsandoneUSB2.0portwithType-Aconnectors.TheEVB-USB5816platformalsosupportsbatterychargingonallsixdownstreamports.
TheEVB-USB5816hastwoconfigurationsforoperationthroughinternaldefaultsettingsandsupportscustomconfigurationsthroughtheexternal16-MbitSPIFlashdevice.
TheEVB-USB5816demonstratesdrivercompatibilitywithMicrosoft®Windows®10,Windows8.x,Windows7,WindowsXP,MacOS®X10.4+,andLinux®hubdrivers.
评估板EVB-USB5816主要特性:
•Microchip’sPortSwap,PHYBoostTM,andVariSenseTMtechnologies
•EVB-USB5816ina100-pinQFNRoHS-compliantpackage
•USB3.2compliant(Gen1operation)
•USB2.0compliant(HS,FS,andLSoperation)
•5V-tolerantUSBpins
•Self-poweredoperation
•USBGen1Type-Bupstreamport
•SixdownstreamUSBports:
-FiveGen1downstreamports(Port1isaType-Cport.)
-OneUSB2.0-onlydownstreamport
•Alldownstreamportssupportindividualportpowerandovercurrentsense.
•AlldownstreamportscanbeenabledforbatterychargingwiththebatterychargingselectswitchesonSW3(BC1.2orSE1,2.1Amaximumperport)
•OnboardSPIFlashforexternaldownloadablefirmware
•Operatesfromasingle-voltage(+12.0V,regulated)externalpowersupply
•Onboard25MHzcrystaloroscillatorinput
•Singleonboard+5.2V,15Aregulator
•Singleonboard+3.3V,0.5Aregulator
•Singleonboard+1.2V,2Aregulator
•PortPowerLEDindicators
•SPIFlashactivityblueLEDindicator
•ResetredLEDindicator
•GreenLEDindicatorsfor5V,3.3V,and1.2Vregulatoroutputs
•Terminalblockconnectorforusewithanexternal12VDCbenchsupply
•BarrelconnectorforusewithaMicrochip12Vpowersupply
•Removableornon-removabledownstreamportsoptionscanbeconfiguredwithselectswitchesonSW4.
•Bridgeper
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