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INA3221AQRGVRQ1 - Texas Instruments

Description: Current & Power Monitors & Regulators Automotive 26-V, Triple, Bi-Directional, Zero-Drift, I2C Out Current/Voltage Monitor w/ Alerts 16-VQFN -40 to 125

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INA3221AQRGVRQ1 - Texas Instruments - PCB symbol
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INA3221AQRGVRQ1 - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGV (S-PVQFN-N16)_1
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INA3221AQRGVRQ1 - Texas Instruments - 3D model - Quad Flat No-Lead - RGV (S-PVQFN-N16)_1
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INA3221AQRGVRQ1 Details

  • Manufacturer Part Number:

    INA3221AQRGVRQ1

  • 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

  • Date Of Intro:

    2016-03-17

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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:

    2

  • 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 Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1 mm

  • 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

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

    30

  • Width:

    4 mm

INA3221AQRGVRQ1 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, R1 and R2 are the gain resistors. Consult the datasheet for more information.
  • The CAP pin is used to filter out high-frequency noise and improve the accuracy of the current measurements. A 10nF to 100nF capacitor can be connected between the CAP pin and GND to filter out noise.
  • To configure the INA3221 for bidirectional current measurement, connect the current sense resistor (RSENSE) between the VIN pin and the load, and connect the load to the VOUT pin. Set the gain resistors (R1 and R2) according to the datasheet, and use the I2C interface to configure the device for bidirectional measurement.
  • The maximum data rate for the I2C interface is 400 kHz. To configure the I2C interface, connect the SCL pin to the clock signal, the SDA pin to the data signal, and set the slave address using the A0, A1, and A2 pins according to the datasheet.

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INA3221AQRGVRQ1 Overview

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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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