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1、TITIDA－03027USBType－C多端口适配器电源参考设计时间：2017-11-2209:35:58 作者：TI 来源：中电网TI公司的TIDA-03027是USBType-C和供电多端口适配器电源参考设计,包括USBType-C全特性的插座,可即时连接USBType-C充电器(高达20V/3A)或设备.也可连接到HDMI2.0和USB3.0Type-A接口,主要用在笔记本电脑,平板电脑和带USBType-C接口的电话系统.本文介绍了参考设计TIDA-03027主要特性,生态系统图和框图,电路图,材料清单和PCB设计
2、图.TheTIDA-03027referencedesignoffersamultiportadaptersolutionthat enablesproductswithaUSBType-C™interfacetoconnecttoHDMI2.0andUSB3.0Type-Ainterfaces.ThedesignalsoincludesanadditionalUSBType-Cfull-featurereceptacle,whichallowstheusertosimultaneouslyconnectUSBType-Cchargers(up
3、to20V,3A)ordevices.Thisfeaturesetisparticularlyusefulasaperipheraltonotebook,tablet,andphonesystemswithasingleUSBType-Cinterface.TheTIDA-03027referencedesignshowcasesaType-Cplugthatallowsanotebook,tablet,orphonetosimultaneouslyinterfacewithHDMI2.0,USB3.0Type-A,andUSBType-Csy
4、stems(chargersanddevices).Thus,theboardservesasamultiportadapterforUSBType-Chosts.ThisboardfeaturesUSB3.0data,video,andcharging(upto20V,3A)overasingle,USBType-Cplugconnection.TheUSBType-CplugandreceptaclebothinterfacewithaTPS65983Bdevice,whichhandlespowerdeliverynegotiations
5、andcontrolstheprimarypowerfield-effecttransistors(FETs).TwoSuperSpeedlanes(SSTX/RX2)arerouteddirectlytoaDisplayPort(DP)toHDMIconverter.TheotherSuperSpeedlanes(SSTX/RX1)areroutedtotheHD3SS3212,whichdemuxesthesignalsbetweentheDP-to-HDMIconverterandtheTUSB8041USB3.0HUB.Thisrout
6、ingallowstheTPS65983Bdevicetocontrolbetweenfour-lanesofDP-to-HDMIandtwo-lanesofDP-to-HDMI+USB3.0(forType-AandType-Cdataconnections).TheTUSB8041isaUSB3.0HUB,whichreceiveshigh-speedandSuperSpeedsignalsfromtheupstreamUSBType-Cplug.ThisdeviceexpandstheUSBType-Chostsignalstofourp
7、orts,whichallowssimultaneousUSB3.0orUSB2.0enumerationattheType-CandType-Areceptacleports.ThisdevicealsoenablestheUSBType-CplugtoutilizetheUSB2.0low-speedendpointfeatureoftheTPS65983B.ThepowerpathbetweentheUSBType-CplugandreceptacleportsiscontrolledbytheLM3489variableDC-DC co
8、nverter.TheTPS65983BdevicecontrolstheoutputvoltageoftheLM3489device,dependi
