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BQ25155YFPT - Texas Instruments

Description: 500-mA 1-cell linear charger with 10-nA IQ, power-path, regulated system voltage, 16-bit ADC and LDO

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BQ25155YFPT - Texas Instruments - PCB symbol
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PCB Footprints
BQ25155YFPT - Texas Instruments PCB footprint - BGA - BGA - 20 bga
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BQ25155YFPT - Texas Instruments - 3D model - BGA - 20 bga
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BQ25155YFPT Details

  • Manufacturer Part Number:

    BQ25155YFPT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2019-07-06

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3.4 V

  • JESD-30 Code:

    R-PBGA-B20

  • JESD-609 Code:

    e1

  • Length:

    2.015 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:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • 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

  • Seated Height-Max:

    0.5 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    3.15 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    1.615 mm

BQ25155YFPT Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the IC placed close to the battery, and the input and output capacitors placed as close as possible to the IC. A 4-layer PCB with a solid ground plane is recommended to minimize noise and EMI.
  • The BQ25155YFPT has a programmable charging current. You can adjust the charging current by selecting the appropriate resistor value for the ISET pin. Refer to the datasheet for the ISET resistor calculation formula and table.
  • The EN (Enable) pin is used to enable or disable the charger. When EN is high, the charger is enabled, and when EN is low, the charger is disabled. You can use the EN pin to control the charger's power state, for example, to turn off the charger when the system is in sleep mode.
  • The BQ25155YFPT has built-in OVP and UVP circuits. The OVP threshold is fixed at 5.5V, and the UVP threshold is programmable using the UVLO pin. You can adjust the UVP threshold by selecting the appropriate resistor value for the UVLO pin.
  • The thermal shutdown temperature for the BQ25155YFPT is typically around 150°C. When the junction temperature exceeds this value, the charger will shut down to prevent damage.

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BQ25155YFPT 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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