STMC109 高端电流检测芯片.pdf

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1、STMC109HIGH-SIDECURRENTMONITORDESCRIPTIONAPPLICATIONSTheSTMC109isahighsidecurrentsensemonitor.·BatteryChargersUsingthisdeviceeliminatestheneedtodisruptthe·SmartBatteryPacksgroundplanewhensensingaloadcurrent.·DCMotorControlIttakesahighsidevoltagedevelopedacr

2、ossacurrent·OverCurrentMonitorshuntresistorandtranslatesitintoaproportional·PowerManagementoutputcurrent.·LevelTranslatingAuserdefinedoutputresistorscalestheoutput·ProgrammableCurrentSourcecurrentintoaground-referencedvoltage.Thewideinputvoltagerangeof20Vdo

3、wntoaslowasApplicationCircuit2.5Vmakeitsuitableforarangeofapplications.Aminimumoperatingcurrentofjust4µA,combinedVinRsenseToLoadwithitsSOT23packagemakeitauniquesolution,suitableforportablebatteryequipment.FEATURES·Lowcost,accuratehigh-sidecurrentsensing.109

4、·Outputvoltagescaling.·Upto2.5Vsensevoltage.·2.5V–20Vsupplyrange.Vout·4µAquiescentcurrent.Rout·1%typicalaccuracy.·SOT23packages.CONNECTIONDIAGRAMSABSOLUTEMAXIMUMRATINGSVoltageonanypin-0.6Vto20V(relativetoIout)SOT23PackageContinuousoutputcurrent25mA†Continuo

5、ussensevoltageVin+0.5V>Vsense>Vin–5VOperatingTemperature-40to85°CStorageTemperature-55to125°CLoad3PackagePowerDissipation(TA=25°C)SOT23450mW1IoutVin2ORDERINGINFORMATIONPARTNUMBERPACKAGEPARTMARKINGTopViewSTMC109SOT231091