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BQ21080YBGR - Texas Instruments

Description: Battery Management 800-mA Li-ion and LiFePO4 IC programmable linear charger with regulated power path in WCSP package

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BQ21080YBGR - Texas Instruments - PCB symbol
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PCB Footprints
BQ21080YBGR - Texas Instruments PCB footprint - BGA - BGA - YBG0008
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3D Models
BQ21080YBGR - Texas Instruments - 3D model - BGA - YBG0008
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BQ21080YBGR Details

  • Manufacturer Part Number:

    BQ21080YBGR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    Thermal Shutdown:150C

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3 V

  • JESD-30 Code:

    R-XBGA-B9

  • JESD-609 Code:

    e1

  • Length:

    1.5495 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA9,2X4,16

  • 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):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

  • Threshold Voltage-Nom:

    +0.1V

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

    30

  • Width:

    1 mm

BQ21080YBGR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow the guidelines in the TI application note 'Battery Charger Layout Guidelines' (SLUA443) for optimal performance and thermal management.
  • The BQ21080YBGR has an internal OVP circuit, but it's recommended to add an external OVP circuit using a voltage supervisor IC (such as the TLV7031) to provide additional protection against overvoltage conditions.
  • The BQ21080YBGR is designed for Li-Ion/Li-Polymer batteries, but it can be used with other battery chemistries with some modifications. However, it's recommended to consult with TI's application engineers to ensure the charger is properly configured and optimized for the specific battery chemistry.
  • The BQ21080YBGR has a thermal shutdown feature, but it's still important to ensure good thermal management through proper PCB design, component placement, and heat sinking. TI recommends following the thermal management guidelines in the datasheet and application notes.
  • The BQ21080YBGR is rated for operation up to 85°C, but it's recommended to derate the charger's output current and voltage to ensure reliable operation in high-temperature environments. Consult with TI's application engineers for specific guidance.

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BQ21080YBGR 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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