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BQ25898DYFFT - Texas Instruments

Description: I2C Controlled Single Cell 4-A Fast Charger with MaxCharge Technology

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BQ25898DYFFT - Texas Instruments - PCB symbol
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PCB Footprints
BQ25898DYFFT - Texas Instruments PCB footprint - BGA - BGA - YFF0042_
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3D Models
BQ25898DYFFT - Texas Instruments - 3D model - BGA - YFF0042_
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BQ25898DYFFT Details

  • Manufacturer Part Number:

    BQ25898DYFFT

  • 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:

    2016-04-06

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    14 V

  • Input Voltage-Min:

    3.9 V

  • JESD-30 Code:

    R-PBGA-B42

  • JESD-609 Code:

    e1

  • Length:

    2.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    42

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.625 mm

  • Supply Current-Max (Isup):

    3 mA

  • Supply Voltage-Max (Vsup):

    14 V

  • Supply Voltage-Min (Vsup):

    3.9 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • 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

  • Width:

    2.4 mm

BQ25898DYFFT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the high-current paths is recommended. Ensure that the input and output capacitors are placed close to the IC, and the high-current paths are routed away from sensitive analog signals.
  • Use the ISET pin to adjust the charging current, and the VREG pin to adjust the charging voltage. Consult the datasheet for the recommended resistor values and voltage settings for your specific battery chemistry and capacity.
  • The BQ25898DYFFT has a thermal shutdown feature that activates at 150°C. Ensure good airflow, use a heat sink if necessary, and follow the recommended PCB layout to minimize thermal resistance. Monitor the IC's temperature and adjust the charging current or voltage as needed to prevent overheating.
  • Use the OVP pin to set the overcharge protection voltage threshold. The IC will automatically terminate charging when the battery voltage reaches this threshold. Additionally, implement a timer or a separate overcharge protection circuit to prevent prolonged overcharging.
  • Follow the recommended PCB layout and component placement to minimize EMI. Use a shielded inductor and ensure that the high-current paths are routed away from sensitive analog signals. Consult the datasheet and relevant regulatory standards (e.g., CISPR 22) for specific guidelines on EMI and EMC compliance.

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BQ25898DYFFT 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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