BQ25886

ACTIVO

Cargador de batería autónomo de 2 celdas, 2 A de refuerzo para entrada USB con ruta de alimentación

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Detalles del producto

Vin (min) (V) 3.9 Vin (max) (V) 6.2 Absolute max Vin (max) (V) 20 Charge current (max) (A) 2 Control topology Switch-Mode Boost Number of series cells 2 Cell chemistry Li-Ion/Li-Polymer Rating Catalog Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Power Path, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Battery charge voltage (min) (V) 8.2 Battery charge voltage (max) (V) 8.8 Control interface Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
Vin (min) (V) 3.9 Vin (max) (V) 6.2 Absolute max Vin (max) (V) 20 Charge current (max) (A) 2 Control topology Switch-Mode Boost Number of series cells 2 Cell chemistry Li-Ion/Li-Polymer Rating Catalog Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Power Path, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Battery charge voltage (min) (V) 8.2 Battery charge voltage (max) (V) 8.8 Control interface Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
VQFN (RGE) 24 16 mm² 4 x 4
  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 93.4% Charge efficiency at 5-V adapter, 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion battery
  • Single input to support USB input adapters
    • Supports 4.3-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
    • Input current limit (500 mA to 3.3 A) to support USB2.0, USB3.0 standard adapters
    • Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Standalone function with PowerPath management
    • Highest battery discharge efficiency with 17-mΩ battery discharge MOSFET
    • Narrow VDC (NVDC) PowerPath management
      • Instant-on works with no battery or deeply discharged battery
      • Ideal diode operation in battery supplement mode
    • Adjustable charge voltage with VSET pin supports 8.2 V, 8.4 V, 8.7 V, and 8.8 V
    • Adjustable charge current with ICHGSET pin supports 100 to 2200 mA
    • Adjustable input current limit with ILIM pin
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • High integration includes all MOSFETs, current sensing and loop compensation
  • High accuracy
    • ±0.5% Charge voltage regulation
    • ±5% Charge current regulation
    • ±7.5% Input current regulation
  • Safety
    • Battery temperature sensing in charge
    • Thermal regulation and thermal shutdown
  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 93.4% Charge efficiency at 5-V adapter, 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion battery
  • Single input to support USB input adapters
    • Supports 4.3-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
    • Input current limit (500 mA to 3.3 A) to support USB2.0, USB3.0 standard adapters
    • Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Standalone function with PowerPath management
    • Highest battery discharge efficiency with 17-mΩ battery discharge MOSFET
    • Narrow VDC (NVDC) PowerPath management
      • Instant-on works with no battery or deeply discharged battery
      • Ideal diode operation in battery supplement mode
    • Adjustable charge voltage with VSET pin supports 8.2 V, 8.4 V, 8.7 V, and 8.8 V
    • Adjustable charge current with ICHGSET pin supports 100 to 2200 mA
    • Adjustable input current limit with ILIM pin
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • High integration includes all MOSFETs, current sensing and loop compensation
  • High accuracy
    • ±0.5% Charge voltage regulation
    • ±5% Charge current regulation
    • ±7.5% Input current regulation
  • Safety
    • Battery temperature sensing in charge
    • Thermal regulation and thermal shutdown

The BQ25886 is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management which enables instant power on and provides accurate termination control device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25886 is a standalone solution with PowerPath and OTG.

The BQ25886 is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management which enables instant power on and provides accurate termination control device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25886 is a standalone solution with PowerPath and OTG.

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Documentación técnica

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* Data sheet BQ25886 Standalone 2-Cell, 2-A Boost-Mode Battery Charger With PowerPath, USB BC1.2 Detection, and USB On-The-Go Boost (OTG) datasheet (Rev. A) PDF | HTML 10 jun 2019
Technical article 4 Reasons why you should use a boost charger for 2-cell battery application PDF | HTML 03 abr 2019
User guide BQ25886 QFN boost-mode battery charger evaluation module 05 feb 2019

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.

Placa de evaluación

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A charging 2-cell, 8.4-V battery from a legacy 5-V USB port requires a boost charger. The BQ25886 evaluation module (EVM) is used for the BQ25886, a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with power path for 2s Li-Ion and Li-polymer battery. The (...)
Guía del usuario: PDF
Adaptador de interfaz

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Guía del usuario: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RGE) 24 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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Soporte y capacitación

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