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Fast Charge Management NiCD/NiMH 2000mA 8-Pin SOIC Tube, BQ24400DG4, Texas Instruments

The bq24400 is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) in single or multi-cell applications.The bq24400 provides these charge termination criteria:Peak voltage, PVDMaximum temperatureMaximum charge timeFor safety, the bq24400 inhibits fast charge until the battery voltage and temperature are within user-defined limits. If the battery voltage is below the low-voltage threshold, thebq24400 uses trickle-harge to condition the battery. For NiMH batteries, the bq24400 provides an optional top-off charge to maximize the battery capacity.The integrated high-speed comparator allows the bq24400 to be the basis for a complete, high-efficiency battery charger circuit for nickel-basedchemistries.

  • Safe Management of Fast Charge for NiCd and NiMH Battery Packs
  • High-Frequency Switching Controller for Efficient and Simple Charger Design
  • Pre-Charge Qualification for Detecting Shorted, Damaged, or Overheated Cells
  • Fast-Charge Termination by Peak Voltage (PVD), Maximum Temperature, and Maximum Charge Time
  • Selectable Top-Off Mode for Achieving Maximum Capacity in NiMH Batteries
  • Programmable Trickle-Charge Mode for Reviving Deeply Discharged Batteries and for Postcharge Maintenance
  • Built-in Battery Removal and Insertion Detection
  • Sleep Mode for Low Power Consumption
  • APPLICATIONS
    • Nickel Charger
    • High-Power, Multi-Cell Charger
  • Peak voltage, PVD
  • Maximum temperature
  • Maximum charge time

    • Характеристики

    Battery_type

    NiCD, NiMH
    Operating_supply_voltage

    5 V
    Supplier_package

    SOIC
    Specifications

    http://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=BQ24400&&fileType=pdf
    Schedule_b

    8542330000
    Product_dimensions

    5 x 4 x 1.5 mm
    Pin_count

    8
    Output_current

    2 A
    Operating_temperature

    -20 to 70 °C
    Бренд

    Msl_level

    1
    Mounting

    Surface Mount
    Max_processing_temp

    260
    Lead_finish

    Gold
    Kind

    Fast Charge Management
    Htsn

    8542390001
    Eccn

    EAR99
    Артикул: BQ24400DG4

    Описание

    The bq24400 is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) in single or multi-cell applications.The bq24400 provides these charge termination criteria:Peak voltage, PVDMaximum temperatureMaximum charge timeFor safety, the bq24400 inhibits fast charge until the battery voltage and temperature are within user-defined limits. If the battery voltage is below the low-voltage threshold, thebq24400 uses trickle-harge to condition the battery. For NiMH batteries, the bq24400 provides an optional top-off charge to maximize the battery capacity.The integrated high-speed comparator allows the bq24400 to be the basis for a complete, high-efficiency battery charger circuit for nickel-basedchemistries.

  • Safe Management of Fast Charge for NiCd and NiMH Battery Packs
  • High-Frequency Switching Controller for Efficient and Simple Charger Design
  • Pre-Charge Qualification for Detecting Shorted, Damaged, or Overheated Cells
  • Fast-Charge Termination by Peak Voltage (PVD), Maximum Temperature, and Maximum Charge Time
  • Selectable Top-Off Mode for Achieving Maximum Capacity in NiMH Batteries
  • Programmable Trickle-Charge Mode for Reviving Deeply Discharged Batteries and for Postcharge Maintenance
  • Built-in Battery Removal and Insertion Detection
  • Sleep Mode for Low Power Consumption
  • APPLICATIONS
    • Nickel Charger
    • High-Power, Multi-Cell Charger
  • Peak voltage, PVD
  • Maximum temperature
  • Maximum charge time

    • Детали

    Battery_type

    NiCD, NiMH
    Operating_supply_voltage

    5 V
    Supplier_package

    SOIC
    Specifications

    http://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=BQ24400&&fileType=pdf
    Schedule_b

    8542330000
    Product_dimensions

    5 x 4 x 1.5 mm
    Pin_count

    8
    Output_current

    2 A
    Operating_temperature

    -20 to 70 °C
    Бренд

    Msl_level

    1
    Mounting

    Surface Mount
    Max_processing_temp

    260
    Lead_finish

    Gold
    Kind

    Fast Charge Management
    Htsn

    8542390001
    Eccn

    EAR99

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