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Battery Protection Li-Ion 2V 8-Pin TSSOP T/R, BQ29415PWR, Texas Instruments

The bq2941x is a secondary overvoltage protection IC for 2-, 3-, or 4-cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit. It includes a programmable delay circuit for overvoltage detection time. FUNCTIONEach cell in a multiple-cell pack is compared to an internal reference voltage. If one cell reaches an overvoltage condition, the protection sequence begins. The bq2941x device starts charging an external capacitor through the CD pin. When the CD pin voltage reaches 1.2 V, the OUT pin changes from a low level to a high level.

  • 2-, 3-, or 4-Cell SecondaryProtection
  • Low Power Consumption ICC < 2 µA [VCELL(ALL) < V(PROTECT)]
  • Fixed High Accuracy Overvoltage Protection Threshold
    • bq29410 = 4.35 V
    • bq29411 = 4.40 V
    • bq29412 = 4.45 V
    • bq29413 = 4.50 V
    • bq29414 = 4.55 V
    • bq29415 = 4.60 V
    • bq29419 = 4.30 V
  • Programmable Delay Time of Detection
  • High Power Supply Ripple Rejection
  • Stable During Pulse Charge Operation
  • APPLICATIONS
    • 2nd-Level Overvoltage Protection in Li-Ion Battery Packs in:
      • Notebook Computers
      • Portable Instrumentation
      • Portable Equipment

    • Характеристики

    Battery_type

    Li-Ion
    Specifications

    http://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=BQ29413&&fileType=pdf
    Schedule_b

    8542390000
    Product_dimensions

    3.1 x 4.5 x 1.05 mm
    Pin_count

    8
    Output_voltage

    2 V
    Operating_temperature

    -40 to 110 °C
    Бренд

    Msl_level

    2
    Mounting

    Surface Mount
    Max_processing_temp

    260
    Lead_finish

    Gold
    Kind

    Battery Protection
    Htsn

    8542390001
    Eccn

    EAR99
    Country_of_origin

    United States
    Supplier_package

    TSSOP
    Артикул: BQ29415PWR

    Описание

    The bq2941x is a secondary overvoltage protection IC for 2-, 3-, or 4-cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit. It includes a programmable delay circuit for overvoltage detection time. FUNCTIONEach cell in a multiple-cell pack is compared to an internal reference voltage. If one cell reaches an overvoltage condition, the protection sequence begins. The bq2941x device starts charging an external capacitor through the CD pin. When the CD pin voltage reaches 1.2 V, the OUT pin changes from a low level to a high level.

  • 2-, 3-, or 4-Cell SecondaryProtection
  • Low Power Consumption ICC < 2 µA [VCELL(ALL) < V(PROTECT)]
  • Fixed High Accuracy Overvoltage Protection Threshold
    • bq29410 = 4.35 V
    • bq29411 = 4.40 V
    • bq29412 = 4.45 V
    • bq29413 = 4.50 V
    • bq29414 = 4.55 V
    • bq29415 = 4.60 V
    • bq29419 = 4.30 V
  • Programmable Delay Time of Detection
  • High Power Supply Ripple Rejection
  • Stable During Pulse Charge Operation
  • APPLICATIONS
    • 2nd-Level Overvoltage Protection in Li-Ion Battery Packs in:
      • Notebook Computers
      • Portable Instrumentation
      • Portable Equipment

    • Детали

    Battery_type

    Li-Ion
    Specifications

    http://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=BQ29413&&fileType=pdf
    Schedule_b

    8542390000
    Product_dimensions

    3.1 x 4.5 x 1.05 mm
    Pin_count

    8
    Output_voltage

    2 V
    Operating_temperature

    -40 to 110 °C
    Бренд

    Msl_level

    2
    Mounting

    Surface Mount
    Max_processing_temp

    260
    Lead_finish

    Gold
    Kind

    Battery Protection
    Htsn

    8542390001
    Eccn

    EAR99
    Country_of_origin

    United States
    Supplier_package

    TSSOP

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