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1、ByKeithOdlandSiliconLaboratoriesConsumerbuyinghabitsforautomobilesarechanging,drivingthegrowthintheautomotiveelectronicsindustry.Eachyear,automotivemanufacturersareintegratingmorenewandenhancedelectronicsintopassengervehicles.Thecurrentgrowthrateofbody
2、electronicsystemsisoutpacingvehicleproductionbyafactoroffourtoone.Someofthecurrenttrendsinneworenhancedfeaturesaredirectlyrelatedtoincorporatingincreasinglycomplexelectronicstoimprovebrandreputation,competitivedifferentiation,andconsumercomfortandsafet
3、y.Hybrid-electricvehiclesaretrendy,asisconnectinganiPodtoanin-dashentertainmentsystem.ConsumersnowconsiderBluetoothconnectivitybetweenhandsetsandintegratedhands-freeunitsastandardfeature.ComplexfeaturesHowever,suchfeaturesaremerelythesurface.Otherhighl
4、yengineered,complexfeatures,whichpassengersmaynotbeabletoseeortouchbuteffecttheirexperience,arealsoincreasinglyincorporated.Theseincludeadaptiveforwardlighting,multi-axisadjustmentseating,intelligentclimatecontrolsystems,collisionavoidanceanddynamiccru
5、isecontrol.Andthereisexpectationofreceivingahigh-qualitydashboardexperience—butimplementationofthesetranscendentalsystemswithintheautomotiveframeworkcomesataprice.Onechallengeforautomotiveelectronicsdesignersisquicklyintroducingnewelectroniccomponentsf
6、orpassengercomfort,safety,andenhancements.Engineersarerequiredtoshortentheoveralldesignandqualificationcycleandmustincreasefunctionalityofexistingsystemswithoutcompromisingevertighteningquality,reliabilityandcosttargets.Toaddressthesechallenges,automot
7、ivedesignerslookformorehighlyintegratedsolutionsandtoincreasesystemsfunctionaldensities.Largescaleintegrationinmixed-signalICsisoneattractivealternative.Capture,compute,communicateNearlyeveryembeddedautomotivesystemmustperformthreefunctions:capture,com
8、pute,andcommunicate.Capturereferstoextractinginformationfromtherealworldandtranslatingitintothedigitaldomain.ThiscouldbeananalogvoltagefromapressuresensorusedinatirepressuremonitoringsystemortherisingedgeofawaveformasseenfromanI/Opinina