基于GL850G-SSOP28的USBHUB电路图(官方原理图).pdf

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1、54321HistoryRev.DateDescriptionMadebyApprovedbyD1.002008/03/17FirstformalreleaseChrisLinEricHsuD1.102008/08/27AddExternalRegulatorcircuitChrisLinEricHsu1.202009/02/26AddI2CEEPROMcircuitChrisLinEricHsu1.302009/08/281.C19form0.1uchangeto1uChrisLinEricHsu2.R13from1Kcha

2、ngeto15K3.R9,R10from10K,20Kchangeto30K4.R3from470Rchangeto680R5.C12form0.1uchangeto1u6.Changepartsnumber1.402009/09/211.Addchippowerswitchdescripter.ChrisLinEricHsu2.AdddownportLEDcircuit.CC1.502009/12/09AddR70RForEMISolutionChrisLinEricHsu1.602010/03/121.AddLB7ForE

3、MISolution.NashLiEricHsu2.24C02pin5pull-upresisterfrom15Kchangeto10K.3.DeletedownportLEDcircuit.GL850G-SSOP28chipversion&schematicoption.BBCHIPVersionPowerSwitch24C02GL850G-21VGL850G-22VVGL850G-112PortonlyVGL850G-13V2PortonlyAGENESYSLOGIC,INC.AGLB6054AGL850GSSOP28De

4、moBoardTitleUSB2.0HubControllerSizeDocumentNumberRevBHistory1.60Date:Friday,March12,2010Sheet1of25432154321GL850G-22notsupportpowerswitchR1:Mount->InternalregulatorRemove->ExternalregulatorB_VCCLB2FBUP1U1Option:G4G4DVDDAVDDAVDDCustomizedVID,PID,G3G3AVDD11AVDDDP128DP

5、1String,Configuration.DVDD1VCCG2G2DM2227DM1DM02G1DDP23DM2DM126DP0DP03D-G1DRREF4DP2GL850GDP025DM0VCCLB1FB4D+RREFDM0IDAVDD25243_3V_IN3_3V_INAVDD1AVDD2AVDD2AVDD3AVDD3U2C10.1uF5AVDDV33GNDX16SSOP2823R10R18R13H1X1V5A0VCCH1X2722PWREN1+C2C3C4C5C6C72710KH2X2PWREN1#A1WPH2DM38

6、DM3OVCUR1#21OVCUR1EC10.1uF0.1uF0.1uF1uF1uF0.1uF3A2SCL6TEST/SCLDP392010uF45PWREN1SMDUSBminiABDP3PWREN2#GNDSDAAVDD31019AVDDOVCUR2#DM41118PGANGAT24C02DM4PGANGDP41217PSELFDVDDDP4PSELFRESET1316LB7FBRESET#DVDDTEST/SCL14TEST/SCLGND15DGNDC8EC1closetoPIN24AsclosetoGL850G0.1u

7、FDOWN1LB3FBG1HAND1VDP11VCC+DM12C9D-EC20.1uFDP13D+100uF4GNDF1VCCG2CHAND2CVDP112GangModeDVDDUSBA-AVDP26V2AB_VCCX1X2VDP3RREFDOWN2R7R3LB4FBG1HAND1VDP4R20R680RVDP210K1VCC+DM22C13D-R9RESETX1680R1%AEC30.1uFDP23D+30KC1012R5100uF4C11GND20P100KLED220PR4OVCUR112MHzC121uFR6G2HA

8、ND247KPWR_LEDR10CUSBA-A30KAsclosetoGL850GPGANGDOWN3LB5FBG1HAND1VDP3PolyFuseforGangMode1VCC+DM32C14D-BEC40.1uFDP33D+B100uF4GNDG2HAND2USBA-A