Texas Instruments INA219 Handleiding
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Power Register
Current Register
IC-/SMBUS-
Compatible
Interface
2
Voltage Register
V
IN+
V
IN-
V
S
(Supply Voltage)
A0
A1
Data
CLK
ADC
PGA
INA219
GND
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INA219
SBOS448G–AUGUST2008–REVISEDDECEMBER2015
INA219Zerø-Drift,BidirectionalCurrent/PowerMonitorWithI
2
CInterface
1Features3Description
TheINA219isacurrentshuntandpowermonitor
1
•SensesBusVoltagesfrom0to26V
withanI
2
C-orSMBUS-compatibleinterface.The
•ReportsCurrent,Voltage,andPower
devicemonitorsbothshuntvoltagedropandbus
•16ProgrammableAddresses
supplyvoltage,withprogrammableconversiontimes
andfiltering.Aprogrammablecalibrationvalue,
•HighAccuracy:0.5%(Maximum)Over
combinedwithaninternalmultiplier,enablesdirect
Temperature(INA219B)
readoutsofcurrentinamperes.Anadditional
•FilteringOptions
multiplyingregistercalculatespowerinwatts.The
•CalibrationRegisters
I
2
C-orSMBUS-compatibleinterfacefeatures16
programmableaddresses.
•SOT23-8andSOIC-8Packages
TheINA219isavailableintwogrades:AandB.The
2Applications
Bgradeversionhashigheraccuracyandhigher
precisionspecifications.
•Servers
•TelecomEquipment
TheINA219sensesacrossshuntsonbusesthatcan
varyfrom0to26V.Thedeviceusesasingle3-to
•NotebookComputers
5.5-Vsupply,drawingamaximumof1mAofsupply
•PowerManagement
current.TheINA219operatesfrom–40°Cto125°C.
•BatteryChargers
DeviceInformation
(1)
•WeldingEquipment
PARTNUMBERPACKAGEBODYSIZE(NOM)
•PowerSupplies
SOIC(8)3.91mm×4.90mm
•TestEquipment
INA219
SOT-23(8)1.63mm×2.90mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
SimplifiedSchematic
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | INA219 |
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