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BQ27411DRZT-G1A - Texas Instruments

Description: Battery Management Pack-Side Impedance Track Fuel Gauge

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BQ27411DRZT-G1A - Texas Instruments PCB footprint - Other - Other - BQ27411DRZT-G1A-3
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BQ27411DRZT-G1A Details

  • Manufacturer Part Number:

    BQ27411DRZT-G1A

  • 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

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-PDSO-N12

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    4.5 V

  • Supply Voltage-Min (Vsup):

    2.45 V

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    2.5 mm

BQ27411DRZT-G1A Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA533, which includes guidelines for component placement, routing, and thermal management to ensure accurate fuel gauging.
  • Calibration involves characterizing the battery's state of charge (SOC) vs. voltage curve, and adjusting the device's internal registers accordingly. TI provides a calibration guide in the application note SLUA535, which includes a step-by-step process for calibration.
  • The BQ27411DRZT-G1A can support up to 4 series-connected batteries. However, the maximum number of batteries that can be connected in series depends on the specific application and battery chemistry. It's recommended to consult with TI's support team for specific guidance.
  • The BQ27411DRZT-G1A has built-in compensation for battery self-discharge and leakage. The device uses a combination of voltage and current measurements to estimate the battery's state of charge, and adjusts for self-discharge and leakage effects. However, the accuracy of this compensation depends on the specific battery chemistry and application.
  • The BQ27411DRZT-G1A is rated for operation up to 85°C. However, high-temperature applications may require additional thermal management and design considerations to ensure accurate fuel gauging and device reliability. Consult with TI's support team for specific guidance.

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BQ27411DRZT-G1A Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ274, or try a keyword search, such as Power Management Circuits

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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