VL53L1规格书

Thisisinformationonaproductinfullproduction.February2018DocID031281Rev21/35VL53L1XAnewgeneration,longdistancerangingTime-of-FlightsensorbasedonST’sFlightSense™technologyDatasheet-productiondataFeatures•Fullyintegratedminiaturemodule–Size:4.9x2.5x1.56mm–Emitter:940nminvisiblelaser(Class1)–SPAD(singlephotonavalanchediode)receivingarraywithintegratedlens–Low-powermicrocontrollerrunningadvanceddigitalfirmware•Pin-to-pincompatiblewiththeVL53L0XFlightSense™rangingsensor•Fastandaccuratelongdistanceranging–Upto400cmdistancemeasurement–Upto50Hzrangingfrequency•Typicalfullfield-of-view(FoV):27°•Programmableregion-of-interest(ROI)sizeonthereceivingarray,allowingthesensorFoVtobereduced•ProgrammableROIpositiononthereceivingarray,providingmultizoneoperationcontrolfromthehost•Easyintegration–Singlereflowablecomponent–Canbehiddenbehindmanycoverwindowmaterials–Softwaredriverandcodeexamplesforturnkeyranging–Singlepowersupply(2v8)–I²Cinterface(upto1MHz)–ShutdownandinterruptpinsApplications•Userdetection(Autonomouslow-powermode)topoweron/offandlock/unlockdeviceslikepersonalcomputers/laptopsandtheIoT•Servicerobotsandvacuumcleaners(longdistanceandfastobstacledetection)•Drones(landingassistance,hovering,ceilingdetection)•Smartshelvesandvendingmachines(goodsinventorymonitoring)•Sanitary(robustuserdetectionwhateverthetargetreflectance)•Smartbuildingandsmartlighting(peopledetection,gesturecontrol)•1Dgesturerecognition•Laserassistedautofocuswhichenhancesthecameraautofocussystemspeedandrobustness,especiallyindifficultscenes(lowlightandlowcontrast)andvideofocustrackingassistanceDescriptionTheVL53L1Xisastate-of-the-art,Time-of-Flight(ToF),laser-rangingsensor,enhancingtheSTFlightSense™productfamily.ItisthefastestminiatureToFsensoronthemarketwithaccuraterangingupto4mandfastrangingfrequencyupto50HzHousedinaminiatureandreflowablepackage,itintegratesaSPADreceivingarray,a940nminvisibleClass1laseremitter,physicalinfraredfilters,andopticstoachievethebestrangingperformanceinvariousambientlightingconditionswitharangeofcoverwindowoptions.UnlikeconventionalIRsensors,theVL53L1XusesST’slatestgenerationToFtechnologywhichallowsabsolutedistancemeasurementwhateverthetargetcolorandreflectance.ItisalsopossibletoprogramthesizeoftheROIonthereceivingarray,allowingthesensorFoVtobereduced.(TB)........................................112.6Powersequence............................................122.6.1Powerupandbootsequence................................122.7Rangingsequences.........................................132.8Sensingarrayopticalcenter...................................143Rangingperformances......................................153.1Testconditions.............................................153.2Accuracy,repeatability,andrangingerrordefinitions................163.2.1Accuracydefinition.........................................163.2.2Repeatabilitydefinition......................................163.2.3Rangingerrordefinition.....................................163.3Minimumrangingdistance....................................163.4Performancesindarkconditions...............................163.5Performancesinambientlightconditions.........................173.5.1Longdistancemode.......................................173.5.2Shortdistancemode.......................................173.6PerformancesinpartialROIindarkconditions....................18DocID031281Rev23/35VL53L1XContents354Controlinterface...........................................194.1I2Cinterface-timingcharacteristics.............................214.2I2Cinterface-referenceregisters..............................225Electricalcharacteristics....................................235.1Absolutemaximumratings....................................235.2Recommendedoperatingconditions............................235.3ESD.....................................................235.4Currentconsumption........................................245.5DigitalI/Oelectricalcharacteristics.............................246Outlinedrawing............................................257Lasersafetyconsiderations..................................288Packagingandlabeling.....................................298.1Productmarking.....