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BQ27425YZFR-G2A - Texas Instruments

Description: System-Side Impedance Track™ Fuel Gauge | Gas Gauge Battery

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BQ27425YZFR-G2A - Texas Instruments - PCB symbol
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BQ27425YZFR-G2A - Texas Instruments PCB footprint - BGA - BGA - YZF0015-1
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BQ27425YZFR-G2A - Texas Instruments - 3D model - BGA - YZF0015-1
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BQ27425YZFR-G2A Details

  • Manufacturer Part Number:

    BQ27425YZFR-G2A

  • 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:

    ALSO OPERATES WITH SUPPLY VOLTAGE 2.45 TO 2.8V

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-XBGA-B15

  • JESD-609 Code:

    e1

  • Length:

    2.69 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    15

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA15,3X5,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.625 mm

  • Supply Voltage-Max (Vsup):

    4.5 V

  • Supply Voltage-Min (Vsup):

    2.8 V

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

  • Threshold Voltage-Nom:

    +2.2V

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

    30

  • Width:

    1.75 mm

BQ27425YZFR-G2A 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.
  • The BQ27425YZFR-G2A requires calibration to ensure accurate fuel gauging. Calibration involves learning the battery's characteristics, such as capacity and internal resistance. The device provides a calibration mode, and the calibration process is described in the datasheet and application notes.
  • Temperature affects the accuracy of fuel gauging. The BQ27425YZFR-G2A has a built-in temperature sensor and compensates for temperature effects. However, it's essential to follow the recommended PCB layout and thermal management guidelines to minimize temperature-related errors.
  • The BQ27425YZFR-G2A has a built-in mechanism to track battery capacity loss over time. It uses a combination of voltage, current, and temperature measurements to estimate the battery's state of health and adjust the fuel gauge accordingly.
  • The BQ27425YZFR-G2A uses a proprietary 1-wire interface for communication. The device can be interfaced using a microcontroller or a dedicated interface IC, such as the TUSB2046. The communication protocol is described in the datasheet and application notes.

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BQ27425YZFR-G2A 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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