TUSB8041
www.ti.com
SLLSEE4C–JUNE2014–REVISEDJULY2015
10.2.1.2.4DownstreamPort3Implementation
Thedownstreamport3oftheTUSB8041isconnectedtoaUSB3TypeAconnector.WithBATEN3pinpulledup,BatteryChargesupportisenabledforPort3.IfBatteryChargesupportisnotneeded,thenpull-upresistoronBATEN3shouldbeuninstalled.
BOARD_3P3VFB3POPULATEFOR BC SUPPORTR104.7K04025%DN3_VBUS220 @ 100MHZC160.1uFJ4U1DUSB_DM_DN3USB_DP_DN3USB_SSRXM_DN3USB_SSRXP_DN3USB_SSTXM_DN3USB_SSTXP_DN3PWRCTL3/BATEN3OVERCUR3TUSB80411817232220193344USB_DM_DN3USB_DP_DN3USB_SSRXM_DN3USB_SSRXP_DN3USB_SSTXM_DN3USB_SSTXP_DN3C18C170.1uF02010.1uF0201CAP_DN3_TXMCAP_DN3_TXP1234567891011VBUSDMDPGNDSSRXNSSRXPGNDSSTXNSSTXPSHIELD0SHIELD1VBUS_DS3PWRCTRL3_BATEN3OVERCUR3ZR111M04025á90.001uFC200.1uFUSB3_TYPEA_CONNECTORFigure8.DownstreamPort3Implementation
10.2.1.2.5DownstreamPort4Implementation
Thedownstreamport4oftheTUSB8041isconnectedtoaUSB3TypeAconnector.WithBATEN4pinpulledup,BatteryChargesupportisenabledforPort4.IfBatteryChargesupportisnotneeded,thenpull-upresistoronBATEN4shouldbeuninstalled.
BOARD_3P3VFB4POPULATEFOR BC SUPPORTR124.7K04025%DN4_VBUS220 @ 100MHZC210.1uFJ5U1EUSB_DM_DN4USB_DP_DN4USB_SSRXM_DN4USB_SSRXP_DN4USB_SSTXM_DN4USB_SSTXP_DN4PWRCTL4/BATEN4OVERCUR4TUSB80412524302927263243USB_DM_DN4USB_DP_DN4USB_SSRXM_DN4USB_SSRXP_DN4USB_SSTXM_DN4USB_SSTXP_DN4C23C220.1uF02010.1uF0201CAP_DN4_TXMCAP_DN4_TXP1234567891011VBUSDMDPGNDSSRXNSSRXPGNDSSTXNSSTXPSHIELD0SHIELD1VBUS_DS4PWRCTRL4_BATEN4OVERCUR4ZR131M04025?50.001uFC240.1uFUSB3_TYPEA_CONNECTORFigure9.DownstreamPort4Implementation
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TUSB8041
SLLSEE4C–JUNE2014–REVISEDJULY2015
www.ti.com
10.2.1.2.6VBUSPowerSwitchImplementation
ThisparticularexampleusestheTexasInstrumentsTPS2561DualChannelPrecisionAdjustableCurrent-Limitedpowerswitch.FordetailsonthispowerswitchorotherpowerswitchesavailablefromTexasInstruments,refertotheTexasInstrumentswebsite.
BOARD_3P3VBOARD_3P3VBOARD_5VR1910K04025%U223PWRCTRL1_BATEN1PWRCTRL2_BATEN2PWRCTRL1_BATEN1PWRCTRL2_BATEN245111ININEN1OUT2EN2FAULT2ZGNDPADTPS2561ILIMOUT1FAULT1Z910867ILIM1R2125.5K04025?30.1uF+C44150uFC450.1uF+C46150uFDN2_VBUSDN1_VBUSDN1_VBUSOVERCUR1ZDN2_VBUSOVERCUR2ZR2010K04025?20.1uFLimitingDSPort VBUS current to 2.2A perport.BOARD_3P3VBOARD_3P3VBOARD_5VR2210K04025%U323PWRCTRL3_BATEN3PWRCTRL4_BATEN445111ININEN1OUT2EN2FAULT2ZGNDPADTPS2561ILIMOUT1FAULT1Z910867ILIM2R2425.5K04025?80.1uF+C49150uFC500.1uF+C51150uFDN4_VBUSDN3_VBUSDN3_VBUSOVERCUR3ZDN4_VBUSOVERCUR4ZR2310K04025?70.1uFLimitingDSPort VBUS current to 2.2A perport.Figure10.VBUSPowerSwitchImplementation
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TUSB8041
www.ti.com
SLLSEE4C–JUNE2014–REVISEDJULY2015
10.2.1.2.7Clock,Reset,andMisc
ThePWRCTL_POLispulleddownwhichresultsinactivelowpowerenable(PWRCTL1,PWRCTL2,PWRCTL3,andPWRCTL4)foraUSBVBUSpowerswitch.The1μFcapacitorontheGRSTNpincanonlybeusediftheVDD11supplyisstablebeforetheVDD33supply.Thedependingonthesupplyrampofthetwosuppliesthecapacitormayhavetobeadjusted.
C391uF50U1FGRSTNSCL/SMBCLKSDA/SMBDATSMBUSZ/SS_SUSPEND62R14Y1TUSB80411MXIAUTOENZ/HS_SUSPENDPWRCTL_POL61XOTESTUSB_R138373945414964R159.53K04021%R164.7KR174.7K04025%R184.7K04025$MHzC4018pFC4118pFFigure11.Clock,Reset,andMisc
10.2.1.2.8TUSB8041PowerImplementation
BOARD_1P1VVDD11FB5C26U1G513212831515780.1uFC270.1uFC280.1uFC290.1uFC300.1uFC310.1uFC320.1uFC3310uF220@100MHZVDDVDDVDDVDDVDDVDDVDDVDD60TPADNCVDD33VDD33VDD33VDD3316345263VDD33FB6C340.1uFC350.1uFC360.1uFC370.1uFBOARD_3P3V65C3810uF220@100MHZTUSB8041Figure12.TUSB8041PowerImplementation
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TUSB8041
SLLSEE4C–JUNE2014–REVISEDJULY2015
www.ti.com
10.2.1.3ApplicationCurves
Figure13.UpstreamPortFigure14.DownstreamPort1
Figure15.DownstreamPort2Figure16.DownstreamPort3
Figure17.DownstreamPort4Figure18.High-SpeedUpstreamPort
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TUSB8041
www.ti.com
SLLSEE4C–JUNE2014–REVISEDJULY2015
Figure19.High-SpeedDownstreamPort1Figure20.High-SpeedDownstreamPort2
Figure21.High-SpeedDownstreamPort3Figure22.High-SpeedDownstreamPort4
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