USB-HUB原理图.pdf

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1、1234DVDDC1C2C3C4C5C12104104104104104R5DVDDDGNDD100KDDGND104DM1R8R20VUSBUSB1AGNDAVDD3315K1DMH12DPH13C6C7C8C9C10GREEN2DVDDDGNDGREEN3DGNDRESETDVDDDGNDGREEN4DP44104104104104104DP1R9R21AGND5484746454443424140393837363534333315KAGNDAGNDSGNDUSB-A-01U1GL850DP4T

2、EST49DVDDDGNDRESETDVDDDGNDR150AMBER2GREEN2AMBER3GREEN3PWREN3OVCUR3PWREN4OVCUR4AMBER4GREEN432DPH4DM2R10R22VUSBUSB2DGNDPSELFDPH4AGNDDGND5131DMH4100KDGNDDMH43315K1DVDD5230DM4DMH2DVDDDM42SUSPND5329AGNDDPH2PGAND/SUSPNDAGND35428AVDDCR255OVCUR2AVDD27DP3DP2R11R

3、234C100KPWREN2DP3AGND55626DPH3AGNDOVCUR1DPH33315K5725DMH3SGNDUSB-A-01R3PWREN1DMH3DGND5824DM3100KDGNDDM3DVDD5923AGNDDVDDAGNDGREEN16022AVDDC16GREEN1AVDD6121AMBER1X2DGND6220DGNDX1DVDD6319AGND22pAVDD64DVDDAGND18AVDDR17XT1DM3R12R24VUSBUSB3AVDDAVDDAGND171M12M

4、RREF3315K1DMH32C15DPH3AVDDAGNDDMF0DMH0DPH0DPF0RPUDM1DMH1DPH1DP1AVDDAGNDDM2DMH2DPH2DP2R183RPUR194991%DP3R13R254AGND51.5K1234567891011121314151622p3315KAGNDSGNDUSB-A-01DGNDBBAGNDAGNDDMF0DMH0DPH0DPF0RPUDM1DMH1DPH1DP1AVDDAGNDDM2DMH2DPH2DP2R6USBIN1VUSBDMF0R1

5、4R26DM4VUSBUSB4133AGNDDMH023315K1DPH0DMH432DPH44R73DPF05R15R274AGND33DP4AGND5USBASGND3315KAGNDSGNDUSB-A-01U2UsageofGL850A:VUSBLM1117DVDDAVDDR432L11.ChangeR18：680Ω1%CBBVIVOINDUCTOR2.RemoveR2：1.5K1.5K3.RemoveR6-R15：33Ω1%E1GNDE2E34.7n/250VUSB5V100u/16V10u/

6、16VC1310u/16VC14R16C111104104TitleA104L2USBHUBByLiu.QianA1MSGNDAGNDINDUCTORREDAGNDDGNDAGNDSizeNumberRevisionA4Date:19-Nov-2005SheetofFile:E:workNJ0281ddbj0281.ddbDrawnBy:1234