 

标签: 20071029

相关资源

USB端口的静电放电(ESD)防护

所需E币: 3

时间: 2020-1-13 10:46

大小: 147.27KB

上传者: 微风DS

20071029_CP_SECD_TS_99AND8082/DESDProtectionforDualUSB2.0PortUsingtheLowCapacitanceTVSDiodeArray,NUP4201DR2Devicehttp://onsemi.comPreparedby:AlejandroLaraApplicationsEngineerAPPLICATIONNOTEABSTRACTEventhoughESDprotectionisnotyetrequiredbytheUSB1.1andUSB2.0specifications,itisextremelyimportantandnecessarythatallUSBportshaveprotectionagainstESDconditionsbecauseUSBcomponentsaresubjecttoelectrostaticdischargeconditionssinceUSBisahotpluggingandunpluggingsystem.Ourmodernsocietyhasrapidlycometofullydependonelectronics.Andmoderncomputersarebasedincreasinglyonlowpowerlogicchips,allwithESDsensitivityduetoMOSdielectricbreakdownsandbipolarreversejunctioncurrentlimits.TheUSBICsarenotanexceptionsincethe……

更多...