INA219AIDR The Texas Instruments INA219AIDR is a current monitor IC designed for precise current, voltage, and power measurements. It operates over a 0V to 26V bus voltage range and features an I2C/SMBus interface.
Mfr Part #:

INA219AIDR

Available from 8 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA219AIDR is a current monitor IC designed for precise current, voltage, and power measurements. It operates over a 0V to 26V bus voltage range and features an I2C/SMBus interface.
Total Stock: 47,108 pcs
$ Price Range: $0.76

INA219AIDR Available from 8 distributors

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INA219AIDR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Function
Mounting Type
Number of Channels
Operating Temperature
Operating Temperature Range
Resolution
SVHC Present
Sensing Method
Supplier Device Package
Voltage

INA219AIDR Description

Short technical summary and product information.

The Texas Instruments INA219AIDR is an integrated circuit designed for current shunt and power monitoring applications. It accurately senses bus voltages from 0V up to 26V and reports current, voltage, and power consumption. The device utilizes an I2C or SMBus compatible interface, offering 16 programmable addresses for flexible integration into various systems.

 

Key electrical specifications include a 12-bit resolution, a wide operating voltage range of 0V to 26V, and a high-side sensing method. The accuracy is rated at ±1%, with specific input offset and drift characteristics detailed in the datasheet. Programmable gain options and filtering capabilities allow for customization to specific application needs.

 

This IC is available in an 8-SOIC package, suitable for surface mount assembly. The operating temperature range is -40°C to 125°C, making it robust for various environmental conditions. Its bidirectional monitoring capability and integrated power monitoring features make it a versatile component for power management solutions.

INA219AIDR Quick Information

Product Type: Current Monitor IC
Canonical Name: INA219AIDR Current Monitor
Subcategory: Power Management

INA219AIDR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

INA219AIDR Estimated Pricing

Qty Low High
1+ $0.76 $0.76

Estimated market price range - modelled values for guidance only, not live distributor offers.

INA219AIDR Features

  • Monitors current, voltage, and power.
  • Operates from 0V to 26V bus voltage.
  • Features I2C/SMBus digital interface.
  • Provides 12-bit resolution.
  • Surface mount 8-SOIC package.

INA219AIDR Applications

  • Power monitoring in telecom equipment.
  • Battery charge management systems.
  • Overcurrent protection circuits.
  • Server and datacenter power supplies.
  • Automotive current sensing modules.

INA219AIDR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for INA219AIDR?

The INA219AIDR operates with a common-mode voltage range of 0 V to 26 V.

What package does the INA219AIDR come in?

The INA219AIDR comes in an 8-SOIC surface-mount package (0.154", 3.90mm width).

What is the operating temperature range of the INA219AIDR?

The INA219AIDR operates from -40°C to +125°C.

What is the resolution of the INA219AIDR ADC?

The INA219AIDR has a 12-bit delta-sigma ADC.

What digital interfaces does the INA219AIDR support?

The INA219AIDR supports I2C and SMBus interfaces.

What gain options are available for the INA219AIDR?

The INA219AIDR offers programmable gain of 0.125, 0.25, 0.5, and 1 V/V.

What is the measured current accuracy of the INA219AIDR?

The INA219AIDR has an accuracy of ±1% for current measurements.

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