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BQ25898YFFR - Texas Instruments

Description: I2C Controlled Single Cell 4-A Fast Charger with MaxChargeTM for High Input

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BQ25898YFFR - Texas Instruments PCB footprint - BGA - BGA - BQ25898YFFR
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BQ25898YFFR Details

  • Manufacturer Part Number:

    BQ25898YFFR

  • 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:

    0.415 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

BQ25898YFFR 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.
  • Choose an inductor with a high saturation current rating, low DCR, and a high SRF. A 10uH to 22uH inductor with a saturation current rating of 3A to 5A is a good starting point. Use the TI's inductor selection tool or consult the datasheet for more information.
  • The BQ25898YFFR can handle up to 18V input voltage, but it's recommended to limit the input voltage to 15V to ensure reliable operation and to prevent damage to the IC.
  • Connect a zener diode (e.g., 1N4733A) between the VIN pin and the GND pin. The zener diode will clamp the input voltage to a safe level in case of an overvoltage event. Consult the datasheet for more information on OVP implementation.
  • The EN pin is an active-high enable input that allows the charger to be turned on and off. Connect the EN pin to a logic-level signal (e.g., from a microcontroller) to control the charger's operation. Pull the EN pin low to disable the charger.

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BQ25898YFFR 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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Part Image BQ25898YFFT Texas Instruments

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