tvs esd 防雷防静电保护方案

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1、1LeiditechESDintroductionTVS/ESD21.USB2.0Portsprotection11.VccpindirectlyshorttoUSB’sVbusplate,Notraceconnection.2.GNDpindirectlyshorttoUSB’sGNDplate,Notraceconnection.3.TVScanNOTbeplacedattheboundaryofdifferentpowerPlates.4.TVS’SI/Opinfirst,thenconnectedtotheco

2、ntroller32.USB2.0Portsprotection21.VCCpindirectlyshorttoUSB’sVBUSplate,Notraceconnection.2.GNDpindirectlyshorttoUSB’sGNDplate,Notraceconnection.3.D+/D-PindirectlyshorttoUSB’sD+/D-line.4.ESD’SI/Opinfirst,thenconnectedtothecontroller43.EthernetPortsprotection11.4p

3、icsGDTasfirstleverSurgeprotect2.4picsESDdirectlyshorttoEthernet’sdatalineasdifferentialmodeprotection3.IEC61000-4-2Level4(ESD)--8kV/15kV4.IEC61000-4-4EFT4KV54.EthernetPortsprotection21.4picsGDTasfirstleverSurgeprotect2.2picsESDdirectlyshorttoEthernet’sdatalineas

4、differentialmodeprotection3.IEC61000-4-2Level4(ESD)--8kV/15kV4.IEC61000-4-4EFT4KV65.EthernetPortsprotection31.6PinSRV05-4shorttoEthernet’sdatalinewith4datapin.2.GNDpindirectlyshorttoBoard’sGNDplate.3.VccconnectedtoGNDwith0.1ufCapacitance.4.IEC61000-4-2Level4(ESD

5、)--8kV/15kVSRV05-476.DVIPortsprotectionSRV05-4or1.ThissolutionusetwopicsSRV05-4.2.EachSRV05-4’SdatapinshorttoDVIdata.3.IEC61000-4-2Level4(ESD)--8kV/15kV87.VGAPortsprotectionSRV05-4or1.ThissolutionusetwopicsSRV05-4.2.EachSRV05-4’SdatapinshorttoVGAdataline.3.GNDpi

6、ndirectlyshorttoBoard’sGNDplate.4.VccconnectedtoGNDwith0.1ufCapacitance.5.IEC61000-4-2Level4(ESD)--8kV/15kV98.HDMIPortsprotection109.HDMI1.3Portsprotection2*ULC0568M1110.SDCardPortsprotection1211.MMCCardPortsprotection1312.SIMCardPortsprotection1413.RS232Portspr

7、otectionSD12C1514.RS232/485Portsprotection1615.RS232/485Portsprotection1716.RFAntennaPortsprotectionLC05CI1817CANBusPortsprotectionSMC241918HighspeedI/OPortsprotectionSM05OrSMC0520ContactusTel:+8618621985876Email:sale1@leiditech.comWeb:www.leiditech.com