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1、ByKeithOdlandSiliconLaboratoriesConsumerbuyinghabitsforautomobilesarechanging,drivingthegrowthintheautomotiveelectronicsindustry.Eachyear,automotivemanufacturersareintegratingmorenewandenhancedelectronicsintopassengervehicles.Thecurrentgrowthrateofbodyelectronicsystemsisoutpacingvehiclep
2、roductionbyafactoroffourtoone.Someofthecurrenttrendsinneworenhancedfeaturesaredirectlyrelatedtoincorporatingincreasinglycomplexelectronicstoimprovebrandreputation,competitivedifferentiation,andconsumercomfortandsafety.Hybrid-electricvehiclesaretrendy,asisconnectinganiPodtoanin-dashentert
3、ainmentsystem.ConsumersnowconsiderBluetoothconnectivitybetweenhandsetsandintegratedhands-freeunitsastandardfeature.ComplexfeaturesHowever,suchfeaturesaremerelythesurface.Otherhighlyengineered,complexfeatures,whichpassengersmaynotbeabletoseeortouchbuteffecttheirexperience,arealsoincreasin
4、glyincorporated.Theseincludeadaptiveforwardlighting,multi-axisadjustmentseating,intelligentclimatecontrolsystems,collisionavoidanceanddynamiccruisecontrol.Andthereisexpectationofreceivingahigh-qualitydashboardexperience—butimplementationofthesetranscendentalsystemswithintheautomotivefram
5、eworkcomesataprice.Onechallengeforautomotiveelectronicsdesignersisquicklyintroducingnewelectroniccomponentsforpassengercomfort,safety,andenhancements.Engineersarerequiredtoshortentheoveralldesignandqualificationcycleandmustincreasefunctionalityofexistingsystemswithoutcompromisingevertigh
6、teningquality,reliabilityandcosttargets.Toaddressthesechallenges,automotivedesignerslookformorehighlyintegratedsolutionsandtoincreasesystemsfunctionaldensities.Largescaleintegrationinmixed-signalICsisoneattractivealternative.Capture,compute,communicateNearlyeveryembeddedautomotivesystemm
7、ustperformthreefunctions:capture,compute,andcommunicate.Capturereferstoextractinginformationfromtherealworldandtranslatingitintothedigitaldomain.ThiscouldbeananalogvoltagefromapressuresensorusedinatirepressuremonitoringsystemortherisingedgeofawaveformasseenfromanI/Opinina
