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INA3221AIRGVR - Texas Instruments

Description: 26V, Triple, Bi-Directional, Low-/High-Side, I2C Out Current/Voltage Monitor w/Alerts

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INA3221AIRGVR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - INA3221AIRGVR
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INA3221AIRGVR - Texas Instruments  - 3D model - Quad Flat No-Lead - INA3221AIRGVR
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INA3221AIRGVR Details

  • Manufacturer Part Number:

    INA3221AIRGVR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    RESET THRESHOLD VOLTAGE IS 2V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.16SQ,25

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    0.45 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

  • Threshold Voltage-Nom:

    +2V

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4 mm

INA3221AIRGVR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the VIN pin is 36V, but it's recommended to keep it below 30V for reliable operation.
  • The current sensing resistor value can be calculated using the formula: RSENSE = (VFS/ICS) * (R1/R2), where VFS is the full-scale voltage, ICS is the maximum current to be measured, and R1 and R2 are the gain resistors.
  • The CAP pin is used to filter out high-frequency noise and oscillations. A capacitor (typically 10nF to 100nF) should be connected between the CAP pin and GND to improve the device's stability and accuracy.
  • To configure the INA3221 for bidirectional current measurement, connect the current sense resistor (RSENSE) between the VIN pin and the load, and use the I1, I2, and I3 pins to measure the current. The device will automatically detect the direction of the current flow.
  • The maximum data rate for the I2C interface is 400 kHz. To optimize the data rate, ensure that the I2C bus is properly terminated, use a pull-up resistor on the SCL line, and minimize the capacitive load on the bus.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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