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INA2191A4IYBJR - Texas Instruments

Description: Current Sense Amplifiers 40-V, dual-channel, bidirectional, ultraprecise current sense amp w/ picoamp IB & ENABLE in wcsp

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PCB Footprints
INA2191A4IYBJR - Texas Instruments PCB footprint - BGA - BGA - YBJ0012
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INA2191A4IYBJR - Texas Instruments  - 3D model - BGA - YBJ0012
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INA2191A4IYBJR Details

  • Manufacturer Part Number:

    INA2191A4IYBJR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.003 µA

  • Bias Current-Max (IIB) @25C:

    0.003 µA

  • Common Mode Voltage-Max:

    40 V

  • Common-mode Reject Ratio-Min:

    132 dB

  • Common-mode Reject Ratio-Nom:

    132 dB

  • Frequency Compensation:

    NO

  • Input Offset Voltage-Max:

    12 µV

  • JESD-30 Code:

    R-PBGA-B12

  • JESD-609 Code:

    e1

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA12,3X4,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    0.35 mm

  • Slew Rate-Nom:

    0.3 V/us

  • Supply Current-Max:

    0.18 mA

  • Supply Voltage Limit-Max:

    6 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Unity Gain BW-Nom:

    33

  • Wideband:

    NO

INA2191A4IYBJR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the VIN pin is 26V, but it's recommended to keep it below 24V for reliable operation.
  • Calibration involves setting the calibration register (RCAL) to a value that corresponds to the sense resistor value. The datasheet provides a formula to calculate the RCAL value based on the sense resistor value and the desired current range.
  • The RST pin is an active-low reset input that resets the INA2191 to its power-on state. It can be used to reset the device in case of a fault or to re-initialize the device after a power cycle. Connect the RST pin to a logic-level output of a microcontroller or a reset generator IC.
  • The INA2191 has an overcurrent detection feature that triggers an alert when the current exceeds a programmable threshold. You can use the ALERT pin to detect overcurrent conditions and take corrective action, such as shutting down the power supply or alerting the system.
  • The INA2191 and INA219B are similar devices, but the INA219B has a higher current range (up to 26V and 3.2A) and a more accurate current measurement (±1% typical). The INA2191 has a lower current range (up to 16V and 1.5A) but is more power-efficient.

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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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