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BQ24157YFFR - Texas Instruments

Description: Fully Integrated Switch Mode One Cell Li-Ion Charger with Full USB-Compliance.

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BQ24157YFFR - Texas Instruments PCB footprint - BGA - BGA - YFF_2020
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BQ24157YFFR - Texas Instruments  - 3D model - BGA - YFF_2020
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BQ24157YFFR Details

  • Manufacturer Part Number:

    BQ24157YFFR

  • 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:

    RECHARGE THRESHOLD VOLTAGE IS 0.12V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    4 V

  • JESD-30 Code:

    R-XBGA-B20

  • JESD-609 Code:

    e1

  • Length:

    2.142 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -30 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA20,4X5,16

  • 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 Current-Max (Isup):

    5 mA

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

  • Threshold Voltage-Nom:

    +3.3V

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

    30

  • Width:

    2 mm

BQ24157YFFR Frequently Asked Questions (FAQs)

  • A good PCB layout for the BQ24157YFFR involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. TI provides a recommended layout in the datasheet and application notes.
  • The selection of input and output capacitors depends on the specific application requirements. Generally, X5R or X7R ceramic capacitors with a voltage rating of 10V or higher are recommended. The capacitance value should be at least 4.7uF for the input capacitor and 10uF for the output capacitor.
  • The BQ24157YFFR can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent overheating.
  • The BQ24157YFFR has a built-in OVP feature that can be enabled by connecting the OVP pin to a voltage divider network. The OVP threshold can be set by adjusting the voltage divider ratio.
  • The BQ24157YFFR is rated for operation up to 85°C, but it's recommended to derate the output current and input voltage at higher temperatures to ensure reliable operation.

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BQ24157YFFR 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 BQ24157YFFT Texas Instruments

Adjustable, 1 Channel, +3.3V