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时间: 2019-12-24 18:32
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摘要:该电路保护汽车意外地接触到汽车的电池电压(16V最大)视频放大器,电压检测故障,并迅速打开功放和电池之间的连接。Maxim>AppNotes>CircuitProtectionVideoCircuitsKeywords:automotivecircuitprotection,videoDACs,digitalinverters,MOSFETsNov16,2010APPLICATIONNOTE4516SimpleCircuitProtectsAutomotiveVideoDriversfromOvervoltageAbstract:Thiscircuitprotectsautomotivevideoamplifiersfromaccidentalexposuretothecar'sbatteryvoltage(16Vmaximum),bysensingvoltagefaultsandquicklyopeningtheconnectionbetweenamplifierandbattery.AsimilarversionofthisarticleappearedintheMay20,2008issueofElectronicDesignmagazine.Inatypicalautomotivevideoapplication,thevideoDAC(fromarearcameraorDVDplayer,forexample)isfollowedbyalowpassreconstructionfilterandanamplifierth……