68-2203-65 Micro Pressure Sensor - BMP581 (Qwiic) SEN-20171
[SparkFun] Micro Pressure Sensor - BMP581 (Qwiic)
仕様
- Description
- TheSparkFunQwiicBMP581PressureSensorisamicro-sized,absolutepressuresensorbreakoutfromBoschSensortec.TheBMP581boastsexceptionalresolutionandaccuracy(downto1/64Pa)anduseson-chiplinearizationandtemperaturecompensationtoprovidetrueabsolutedataforpressureandtemperature.ThisversionoftheBMP581PressureSensorisinthesmallestQwiicform-factoryet,theQwiicMicro.Thesebreakoutsmeasurejust0.75in.by0.30in.tomakeitsoyoucaninstallthesesensorsinprojectswithexceptionallytightspaces.
- TheBMP581hasawidepressure-sensingrange(30to125kPa)withexcellentaccuracyacrossthesensingrange(±0.5hPa(max),aswellasoutputdataratesupto622Hz(wehaveonlyregularlyachieved500Hzintesting,though).Thesensorincludesaconfigurableoversamplingsetting,FIFObufferforstoringupto32pressuresamples,programmablelow-passfiltering,andeven6-bytesofuser-programmablenon-volatilememory.Allofthisallowsyoutocustomizetheperformancebasedonyourapplication'srequirements.Evenwithoutlow-passfiltering,theBMP581hasverylownoise(<0.1PaRMS).TheQwiicMicroPressureSensorcommunicatesoverI2C,utilizingourhandyQwiicConnectSystem,sonosolderingisrequiredtoconnectittotherestofyourproject.SorrySPIusers,thereisnospaceonthisMicro-sizedbreakoutforanyextrapinsforthatcommunicationprotocol.IfyoupreferasolderedconnectionorSPI,theStandardQwiicversionofthisboardfeaturesthoseoptions.
- Thesensorhasfiveoperatingmodes:Normal,Forced,Continuous,Standby,andDeepStandby.DeepStandbyconsumestheleastamountofcurrentatjust1.5μA(typical)andpeakcurrentconsumptionbythesensoris260μA.
- Note:Althoughthisboardiscalled"SparkFunMicroPressureSensor,"thenameonlyreferstothesizeoftheboardandnotitssensingprecisioncapabilities.Ifyouarelookingfora"MicroPressure"sensorcalibratedtosensingpressurerangesof1-25psifromliquidmedia,checkouttheSparkFunQwiicMicroPressureSensorinstead!
- TheSparkFunQwiicConnectSystemisanecosystemofI2Csensors,actuators,shieldsandcablesthatmakeprototypingfasterandlesspronetoerror.AllQwiic-enabledboardsuseacommon1mmpitch,4-pinJSTconnector.ThisreducestheamountofrequiredPCBspace,andpolarizedconnectionsmeanyoucan'thookitupwrong.
- QwiicMicroisoursmallestI2C-supportedboardform-factoryet!Atonly0.75in.by0.30in.(or24.65mmby7.62mmformetricfriends),QwiicMicroisperfectforprojectsandapplicationsthathavespaceorweightconcerns.WithjustasingleQwiicconnector,MicroboardsworkgreatalongsidetheQwiicMultiportorattheendofaQwiicdaisychain.
- GetStartedwiththeQwiicBMP581PressureSensorGuide
- Features
- QwiicMicroSizedBoard(0.75inx0.30in/19.05mm×7.62mm)
- SupplyVoltageRange:1.65V-3.6V
- CurrentDraw:・260μA-Maxdrawduringmeasurements
- 1.3μA-at1HzinLowPowerMode
- 0.55μA-AbsoluteminimuminDeepStandbymode
- DataTransferRates:・I2C-1MHz
- 6-bytesofNon-VolatileMemory
- PressureSensingRange:30-125kPa
- PressureDataResolution:1/64Pa
- AbsolutePressureAccuracy:±0.5hPa
- TemperatureSensingRange:-40-85℃
- OutputDataRate:0.125-240Hz(NormalMode)
- MaxOutputDataRate:622Hz(ContinuousMode,1xOversampling)
- I2CAddress:0x47(Default),0x46(Alternate)
- 1×HorizontalQwiicConnectionPort