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INA3221AQRGVRQ1 The Texas Instruments INA3221AQRGVRQ1 is a triple-channel current and voltage monitor. It features a 13-bit resolution and a ±0.25% accuracy.
Mfr Part #:

INA3221AQRGVRQ1

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA3221AQRGVRQ1 is a triple-channel current and voltage monitor. It features a 13-bit resolution and a ±0.25% accuracy.
✓ Total Stock: 6,526 pcs
$ Price Range: $1.72

INA3221AQRGVRQ1 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,264 pcs
On Request
2264 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
262 pcs
On Request
262 pcs On Request 1 On Request On Request 22+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

INA3221AQRGVRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Accuracy
Automotive Grade
Function
Mounting Type
Number of Channels
Operating Temperature
Operating Temperature Range
Resolution
Sensing Method
Supplier Device Package
Voltage
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INA3221AQRGVRQ1 Description

Short technical summary and product information.

The Texas Instruments INA3221AQRGVRQ1 is an AEC-Q100 qualified, triple-channel, 13-bit current and voltage monitor with an I2C/SMBus digital interface. It is designed to sense bus voltages from 0 V to 26 V and reports shunt and bus voltage.

 

Key electrical specifications include a common-mode voltage range of 0 V to 26 V, a resolution of 13 bits, and a maximum input offset of ±80 µV. The device offers a gain error of 0.25% maximum and a gain error drift of ±50 ppm/°C maximum. It operates with a quiescent current (Iq) of 0.35 mA maximum and supports a power-supply range of 2.7 V to 5.5 V.

 

This monitor is suitable for applications requiring high accuracy, with a power measurement accuracy of 0.5%. It features an alert function, bidirectional capability, and is low-side capable. The device operates within an automotive temperature range of -40°C to 125°C.

 

The INA3221AQRGVRQ1 comes in a 16-VQFN (4x4 mm) package and is designed for surface mount applications. It is qualified for automotive applications and is Functional Safety-Capable, with documentation available to aid functional safety system design.

INA3221AQRGVRQ1 Quick Information

Product Type: Current/Voltage Monitor
Canonical Name: Texas Instruments INA3221AQRGVRQ1 Triple Channel Current and Voltage Monitor
Subcategory: Power Management

INA3221AQRGVRQ1 Compliance

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

INA3221AQRGVRQ1 Estimated Pricing

Qty Low High
1+ $1.72 $1.72

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

INA3221AQRGVRQ1 Features

  • Triple channel current and voltage monitor.
  • Senses bus voltages from 0 V to 26 V.
  • 13-bit resolution with ±0.25% accuracy.
  • I2C and SMBus digital interface.
  • Automotive qualified AEC-Q100.

INA3221AQRGVRQ1 Applications

  • Used in automotive current sensing.
  • Ideal for power management systems.
  • Suitable for battery monitoring.
  • Perfect for industrial control loops.
  • Used in server power supplies.

INA3221AQRGVRQ1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the INA3221AQRGVRQ1?

2.7 V to 5.5 V.

What is the operating temperature range of the INA3221AQRGVRQ1?

-40°C to 125°C.

What package is the INA3221AQRGVRQ1 available in?

16-VQFN Exposed Pad (4x4 mm).

How many channels does the INA3221AQRGVRQ1 have?

3 channels.

What is the resolution of the INA3221AQRGVRQ1?

13 bits.

What digital interface does the INA3221AQRGVRQ1 support?

I2C and SMBus.

What is the accuracy of the INA3221AQRGVRQ1?

±0.25% gain error accuracy.

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