标签: 运用笔记

TheISL9209Bisanintegratedcircuit(IC)optimizedtoprovidearedundantsafetyprotectiontoaLi-ionbatteryfromfailuresofachargingsystem.TheICmonitorstheinputvoltage,thebatteryvoltageandthechargecurrent.Whenanyofthethreeparametersexceedsitslimit,theICturnsoffaninternalP-ChannelMOSFETtoremovethepowerfromthechargingsystem.Inadditiontotheaboveprotectedparameters,theICalsomonitorsitsowninternaltemperatureandturnsofftheP-ChannelMOSFETwhenthetemperatureexceeds+140°C.TogetherwiththebatterychargerICandtheprotectionmoduleinabatterypack,thechargingsystemusingtheISL9209Bhastriple-levelprotectionandistwo-faulttolerant.ApplicationNote1300ISL9209EVAL1ZApplicationNoteIntroductionDesignSpecificationTheISL9209EVAL1ZistheevaluationboardfortheISL9209ThedesignspecificationsaregiveninTable1.double-faulttolerantchargingsystemsolution.TheTABLE1.DESIGNSPECIFICATIONScomponentsfortheentiresolutionareplacedinsidethewhiterectangularbox(seeFigure1).ThesystemmainlyconsistsofSPECIFICATIONMINTYP……