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BQ24314C

AKTIV

Überspannungs- & Überstromschutz-IC & Li+-Schutz-IC für Lader-Frontend

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Datenblatt

BQ24314C

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Function Charger Front-End Protection Number of series cells (min) 1 Number of series cells (max) 1 Features Overcurrent protection, Overvoltage Operating current (typ) (µA) 400 Rating Catalog Vin (max) (V) 30 Overvoltage protection 5.85 Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 4.45 Battery overvoltage protection (max) (V) 4.45
Function Charger Front-End Protection Number of series cells (min) 1 Number of series cells (max) 1 Features Overcurrent protection, Overvoltage Operating current (typ) (µA) 400 Rating Catalog Vin (max) (V) 30 Overvoltage protection 5.85 Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 4.45 Battery overvoltage protection (max) (V) 4.45
WSON (DSG) 8 4 mm² 2 x 2
  • Provides Protection for Three Variables:
    • Input Overvoltage, with Rapid Response in
      <1 µs
    • User-Programmable Overcurrent with Current
      Limiting
    • Battery Overvoltage
  • Maximum Input Voltage of 30 V
  • Supports up to 1.5-A Input Current
  • Robust Against False Triggering Due to Current
    Transients
  • Thermal Shutdown
  • Enable Input
  • Status Indication – Fault Condition
  • Available in Space-Saving Small 8 Lead 2 × 2
    WSON Package
  • Provides Protection for Three Variables:
    • Input Overvoltage, with Rapid Response in
      <1 µs
    • User-Programmable Overcurrent with Current
      Limiting
    • Battery Overvoltage
  • Maximum Input Voltage of 30 V
  • Supports up to 1.5-A Input Current
  • Robust Against False Triggering Due to Current
    Transients
  • Thermal Shutdown
  • Enable Input
  • Status Indication – Fault Condition
  • Available in Space-Saving Small 8 Lead 2 × 2
    WSON Package

The bq24314C device is a highly integrated circuit (IC) designed to provide protection to Li-ion batteries from failures of the charging circuit. The device continuously monitors the input voltage, the input current, and the battery voltage. In case of an input overvoltage condition, the device immediately removes power from the charging circuit by turning off an internal switch. In the case of an overcurrent condition, it limits the system current at the threshold value, and if the overcurrent persists, switches the pass element OFF after a blanking period. Additionally, the device also monitors its own die temperature and switches off if it exceeds 140°C. The input overcurrent threshold is user-programmable.

The device can be controlled by a processor and also provides status information about fault conditions to the host.

The bq24314C device is a highly integrated circuit (IC) designed to provide protection to Li-ion batteries from failures of the charging circuit. The device continuously monitors the input voltage, the input current, and the battery voltage. In case of an input overvoltage condition, the device immediately removes power from the charging circuit by turning off an internal switch. In the case of an overcurrent condition, it limits the system current at the threshold value, and if the overcurrent persists, switches the pass element OFF after a blanking period. Additionally, the device also monitors its own die temperature and switches off if it exceeds 140°C. The input overcurrent threshold is user-programmable.

The device can be controlled by a processor and also provides status information about fault conditions to the host.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet bq24314C Overvoltage and Overcurrent Protection IC and Li+ Charger Front-End Protection IC datasheet (Rev. A) PDF | HTML 30 Jul 2015
EVM User's guide bq2430x/1x DSG EVM (HPA245) for Li+ Charger Front End Protection IC (Rev. B) 04 Nov 2016

Design und Entwicklung

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  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
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  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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