BQ24113

ACTIVO

Cargador de batería reductor síncrono 2A de 1 a 2 celdas independiente en encapsulado WQFN-20

Detalles del producto

Number of series cells 1, 2 Charge current (max) (A) 2 Vin (max) (V) 16 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 8.4 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), Input OVP Vin (min) (V) 4.35 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1, 2 Charge current (max) (A) 2 Vin (max) (V) 16 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 8.4 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), Input OVP Vin (min) (V) 4.35 Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RHL) 20 15.75 mm² 4.5 x 3.5
  • Ideal For Highly Efficient Charger Designs For
    Single-, Two-, or Three-Cell Li-Ion and Li-Polymer
    Battery Packs
  • bq24105 Also for LiFePO4 Battery (see Using
    bq24105 to Charge the LiFePO4 Battery
    )
  • Integrated Synchronous Fixed-Frequency PWM
    Controller Operating at 1.1 MHz With 0% to 100%
    Duty Cycle
  • Integrated Power FETs for Up To 2-A Charge
    Rate
  • High-Accuracy Voltage and Current Regulation
  • Available in Both Stand-Alone (Built-In Charge
    Management and Control) and System-Controlled
    (Under System Command) Versions
  • Status Outputs for LED or Host Processor
    Interface Indicates Charge-In-Progress, Charge
    Completion, Fault, and AC-Adapter Present
    Conditions
  • 20-V Maximum Voltage Rating on IN and OUT
    Pins
  • High-Side Battery Current Sensing
  • Battery Temperature Monitoring
  • Automatic Sleep Mode for Low Power
    Consumption
  • System-Controlled Version Can Be Used in NiMH
    and NiCd Applications
  • Reverse Leakage Protection Prevents Battery
    Drainage
  • Thermal Shutdown and Protection
  • Built-In Battery Detection
  • Available in 20-Pin, 3.50 mm × 4.50 mm VQFN
    Package
  • APPLICATIONS
    • Handheld Products
    • Portable Media Players
    • Industrial and Medical Equipment
    • Portable Equipment

All other trademarks are the property of their respective owners

  • Ideal For Highly Efficient Charger Designs For
    Single-, Two-, or Three-Cell Li-Ion and Li-Polymer
    Battery Packs
  • bq24105 Also for LiFePO4 Battery (see Using
    bq24105 to Charge the LiFePO4 Battery
    )
  • Integrated Synchronous Fixed-Frequency PWM
    Controller Operating at 1.1 MHz With 0% to 100%
    Duty Cycle
  • Integrated Power FETs for Up To 2-A Charge
    Rate
  • High-Accuracy Voltage and Current Regulation
  • Available in Both Stand-Alone (Built-In Charge
    Management and Control) and System-Controlled
    (Under System Command) Versions
  • Status Outputs for LED or Host Processor
    Interface Indicates Charge-In-Progress, Charge
    Completion, Fault, and AC-Adapter Present
    Conditions
  • 20-V Maximum Voltage Rating on IN and OUT
    Pins
  • High-Side Battery Current Sensing
  • Battery Temperature Monitoring
  • Automatic Sleep Mode for Low Power
    Consumption
  • System-Controlled Version Can Be Used in NiMH
    and NiCd Applications
  • Reverse Leakage Protection Prevents Battery
    Drainage
  • Thermal Shutdown and Protection
  • Built-In Battery Detection
  • Available in 20-Pin, 3.50 mm × 4.50 mm VQFN
    Package
  • APPLICATIONS
    • Handheld Products
    • Portable Media Players
    • Industrial and Medical Equipment
    • Portable Equipment

All other trademarks are the property of their respective owners

The bqSWITCHER™ series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER™ series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced VQFN package. The system-controlled version provides additional inputs for full charge management under system control.

The bqSWITCHER™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on user- selectable minimum current level. A programmable charge timer provides a safety backup for charge termination. The bqSWITCHER™ automatically restarts the charge cycle if the battery voltage falls below an internal threshold. The bqSWITCHER™ automatically enters sleep mode when VCC supply is removed.

The bqSWITCHER™ series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER™ series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced VQFN package. The system-controlled version provides additional inputs for full charge management under system control.

The bqSWITCHER™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on user- selectable minimum current level. A programmable charge timer provides a safety backup for charge termination. The bqSWITCHER™ automatically restarts the charge cycle if the battery voltage falls below an internal threshold. The bqSWITCHER™ automatically enters sleep mode when VCC supply is removed.

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Documentación técnica

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Tipo Título Fecha
* Data sheet bq241xx Synchronous Switched-Mode, Li-Ion and Li-Polymer Charge-Management IC With Integrated Power FETs (bqSWITCHER™) datasheet (Rev. P) PDF | HTML 30 nov 2015
Application note BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers 31 dic 2019
User guide Using the bq241xx bqSWITCHER(tm) (Rev. A) 29 nov 2007
Application note Implementations of Battery Charger and Power-Path Mgmt System Using bq241xx 06 jun 2006
Application note Power Dissipation Analysis & Circuit Design for Sync Switching Battery Charger 31 may 2005

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Archivo Gerber

bq241xx (HPA040B) EVM gerber file

SLOC233.ZIP (160 KB)
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RHL) 20 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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