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Batterielader-ICs

BQ24266

OBSOLET

3 A, 30 V, Standalone-Ladegerät für Li-Ionen-Batterien mit einem Eingang und einer Zelle im Schaltmo

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Datenblatt

BQ24266

OBSOLET
Datenblatt Jetzt bestellen

Produktdetails

Number of series cells 1 Charge current (max) (A) 3 Vin (max) (V) 13.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck Control interface I2C, Standalone (RC-Settable) Features BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), Input OVP, Power Path, USB OTG integrated Vin (min) (V) 4.2 Rating Catalog Operating temperature range (°C) to
Number of series cells 1 Charge current (max) (A) 3 Vin (max) (V) 13.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck Control interface I2C, Standalone (RC-Settable) Features BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), Input OVP, Power Path, USB OTG integrated Vin (min) (V) 4.2 Rating Catalog Operating temperature range (°C) to
VQFN (RGE) 24 16 mm² 4 x 4
  • Charge Time Optimizer (Enhanced CC/CV
    Transition) for Faster Charging
  • Integrated FETs for Up to 3A Charge Rate at 5%
    Accuracy and 93% Peak Efficiency
  • Boost Capability to Supply 5V at 1A at IN for
    USB OTG Supply
  • Integrated Power Path MOSFET and optional
    BGATE control to Maximize Battery Life and
    Instantly Startup From a Deeply Discharged
    Battery or No Battery
  • 30V Input Rating with Over-Voltage Protection
    Supports 5V USB2.0/3.0 and 12V USB Power
    Delivery
  • Small Solution Size In a 4mm × 4mm QFN-24
    Package
  • Safe and Accurate Battery Management
    Functions Programmed Using IUSB and /CE
    • Input Current Limit and VIN_DPM Threshold
    • Thermal Regulation Protection for Input
      Current Control
    • Thermal Shutdown and Protection
  • Charge Time Optimizer (Enhanced CC/CV
    Transition) for Faster Charging
  • Integrated FETs for Up to 3A Charge Rate at 5%
    Accuracy and 93% Peak Efficiency
  • Boost Capability to Supply 5V at 1A at IN for
    USB OTG Supply
  • Integrated Power Path MOSFET and optional
    BGATE control to Maximize Battery Life and
    Instantly Startup From a Deeply Discharged
    Battery or No Battery
  • 30V Input Rating with Over-Voltage Protection
    Supports 5V USB2.0/3.0 and 12V USB Power
    Delivery
  • Small Solution Size In a 4mm × 4mm QFN-24
    Package
  • Safe and Accurate Battery Management
    Functions Programmed Using IUSB and /CE
    • Input Current Limit and VIN_DPM Threshold
    • Thermal Regulation Protection for Input
      Current Control
    • Thermal Shutdown and Protection

The bq24266 is highly integrated single cell Li-Ion battery charger and system power path management devices that supports operation from either a USB port or wall adapter supply. The power path feature allows the bq24266 to power the system from a high efficiency DC to DC converter while simultaneously and independently charging the battery. The power path also permits the battery to supplement the system current requirements when the adapter cannot. To support USB OTG applications, the bq24266 is configurable to boost the battery voltage to 5V and supply up to 1A at the input. The battery is charged with three phases: precharge, constant current and constant voltage. Thermal regulation prevents the die temperature from exceeding 125°C. Additionally, a JEITA compatible battery pack thermistor monitoring input (TS) is included to prevent the battery from charging outside of its safe temperature range.

The bq24266 is highly integrated single cell Li-Ion battery charger and system power path management devices that supports operation from either a USB port or wall adapter supply. The power path feature allows the bq24266 to power the system from a high efficiency DC to DC converter while simultaneously and independently charging the battery. The power path also permits the battery to supplement the system current requirements when the adapter cannot. To support USB OTG applications, the bq24266 is configurable to boost the battery voltage to 5V and supply up to 1A at the input. The battery is charged with three phases: precharge, constant current and constant voltage. Thermal regulation prevents the die temperature from exceeding 125°C. Additionally, a JEITA compatible battery pack thermistor monitoring input (TS) is included to prevent the battery from charging outside of its safe temperature range.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet bq24266 3-A, 30-V Standalone Single-Input, Single-Cell Switchmode Li-Ion Battery Charger datasheet (Rev. G) PDF | HTML 15 Dez 2015
User guide User's Guide for EVM with QFN Packaged IC (Rev. A) 23 Aug 2014

Design und Entwicklung

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Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

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