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Battery Charger Controller Lithium Phosphate 16-Pin VQFN EP T/R, BQ24620RVAT, Texas Instruments

The bq24620 device is a highly integrated lithium phosphate switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, and charge status monitoring. The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage. 

  • 300-kHz NMOS-NMOS Synchronous Buck
    Converter
  • Stand-Alone Charger Designed Specifically for
    Lithium Phosphate
  • 5-V to 28-V VCC Operating Range, Supports 1 to
    7 Battery Cells
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge Voltage Accuracy
    • ±3% Charge Current Accuracy
  • Integration
    • Internal Loop Compensation
    • Internal Soft Start
  • Safety
    • Input Overvoltage Protection
    • Battery Thermistor Sense Suspend Charge at
      Hot/Cold Charge Suspend and Automatically
      ICHARGE/8 at WARM/COOL
    • Battery Detection
    • Built-In Safety Timer
    • Charge Overcurrent Protection
    • Battery Short Protection
    • Battery Overvoltage Protection
    • Thermal Shutdown
  • Status Outputs
    • Adapter Present
    • Charger Operation Status
  • Charge Enable Pin
  • 6-V Gate Drive for Synchronous Buck Converter
  • 30-ns Driver Dead Time and 99.95% Maximum
    Effective Duty Cycle
  • 16-Pin 3.5-mm × 3.5-mm QFN Package
  • Energy Star Low Iq
    • < 15-µA Off-State Battery Discharge Current
    • < 1.5-mA Off-State Input Quiescent Current
  • APPLICATIONS
    • Power Tools and Portable Equipment
    • Personal Digital Assistants
    • Handheld Terminals
    • Industrial and Medical Equipment
    • Netbooks, Mobile Internet Devices, and
      Ultramobile PCs

    • Характеристики

    Battery_type

    Lithium Phosphate
    Supplier_package

    VQFN EP
    Specifications

    http://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=BQ24620&&fileType=pdf
    Schedule_b

    8542390000
    Product_dimensions

    3.55 x 3.55 x 0.9 mm
    Pin_count

    16
    Operating_temperature

    0 to 125 °C
    Бренд

    Msl_level

    2
    Mounting

    Surface Mount
    Max_processing_temp

    260
    Lead_finish

    Gold
    Kind

    Battery Charger Controller
    Htsn

    8542390001
    Eccn

    EAR99
    Country_of_origin

    Malaysia
    Артикул: BQ24620RVAT

    Описание

    The bq24620 device is a highly integrated lithium phosphate switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, and charge status monitoring. The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage. 

  • 300-kHz NMOS-NMOS Synchronous Buck
    Converter
  • Stand-Alone Charger Designed Specifically for
    Lithium Phosphate
  • 5-V to 28-V VCC Operating Range, Supports 1 to
    7 Battery Cells
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge Voltage Accuracy
    • ±3% Charge Current Accuracy
  • Integration
    • Internal Loop Compensation
    • Internal Soft Start
  • Safety
    • Input Overvoltage Protection
    • Battery Thermistor Sense Suspend Charge at
      Hot/Cold Charge Suspend and Automatically
      ICHARGE/8 at WARM/COOL
    • Battery Detection
    • Built-In Safety Timer
    • Charge Overcurrent Protection
    • Battery Short Protection
    • Battery Overvoltage Protection
    • Thermal Shutdown
  • Status Outputs
    • Adapter Present
    • Charger Operation Status
  • Charge Enable Pin
  • 6-V Gate Drive for Synchronous Buck Converter
  • 30-ns Driver Dead Time and 99.95% Maximum
    Effective Duty Cycle
  • 16-Pin 3.5-mm × 3.5-mm QFN Package
  • Energy Star Low Iq
    • < 15-µA Off-State Battery Discharge Current
    • < 1.5-mA Off-State Input Quiescent Current
  • APPLICATIONS
    • Power Tools and Portable Equipment
    • Personal Digital Assistants
    • Handheld Terminals
    • Industrial and Medical Equipment
    • Netbooks, Mobile Internet Devices, and
      Ultramobile PCs

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