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電池充電器 IC

BQ25886

現行

具有電源路徑且適用於 USB 輸入的獨立式 2 節 2A 升壓電池充電器

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產品規格表

BQ25886

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Number of series cells 2 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 2 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) Vin (min) (V) 3.9 Vin (max) (V) 6.2 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Boost 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
Rating Catalog Number of series cells 2 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 2 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) Vin (min) (V) 3.9 Vin (max) (V) 6.2 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Boost 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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類型 標題 日期
* 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 2019年 6月 10日
Technical article 4 Reasons why you should use a boost charger for 2-cell battery application PDF | HTML 2019年 4月 3日
User guide BQ25886 QFN boost-mode battery charger evaluation module 2019年 2月 5日

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開發板

BQ25886EVM — 具有電源路徑的獨立升壓電池充電器評估模組

透過舊式 5V USB 連接埠為 2 芯 8.4V 電池組充電時需要一個升壓充電器。BQ25886 評估模組 (EVM) 適用於 BQ25886，這是一款高度整合的 2A 升壓， 1.5MHz 切換模式電池充電管理，具有適用於 2s 鋰離子和鋰聚合物電池的電源路徑。獨立功能會由外部電阻器設定所有充電參數。OTG 降壓操作允許輸入連接埠從電池供電。
使用指南: PDF
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介面轉接器

EV2400 — 適用電池電量 (氣量) 計評估模組的 USB PC 介面板

The EV2400 EVM interface board enables an IBM-compatible or other type PC (with the required driver for its particular platform) to communicate with the Texas Instruments SMBus or I2C interface gas gauges via a Universal Serial Bus (USB) port. In addition to this board, PC software is required to (...)

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VQFN (RGE) 24 Ultra Librarian
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