BQ25883
- High-efficiency 2-A, 1.5MHz switch mode boost charger
- 93.4% Charge efficiency at 5V adapter, 7.6-V battery, 1-A charge
- Optimized for USB input and 2-cell Li-Ion battery
- Selectable low power PFM mode for light load operation
- Single input to support USB input adapters
- Supports 3.9 V – 6.2 V input voltage range with 20-V absolute maximum input voltage rating
- Input current limit (500 mA to 3.3 A with 100-mA resolution) to support USB2.0, USB3.0 standard adapters
- Maximum power tracking by input voltage limit up-to 5.5 V
- Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
- Power path management and I2C control
- Highest battery discharge efficiency with 17mΩ battery discharge MOSFET
- Narrow VDC (NVDC) power path management
- Instant-on system on with no battery or deeply discharged battery
- Ideal diode operation in battery supplement mode
- USB on-the-go (OTG) with adjustable output from 4.5V to 5.5V
- Buck converter with up-to 2 A output
- 94% Efficiency at 5 V, 1 A output
- Accurate constant current (CC) regulation and output short protection
- Selectable low power PFM mode for light load operation with out-of-audio option
- Input current optimizer (ICO) to maximize input power without overloading adapters
- Integrated 16-bit ADC for system monitoring (BUS voltage and current, each cell voltage, charge current, SYS voltage, and NTC and die temperature)
- 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 and OTG buck mode
- Thermal regulation and thermal shutdown
The BQ25883 is a highly-integrated 2-A boost switch-mode battery charge management and system power path management device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25883 has I2C control with OTG and power path.
技術文件
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檢視所有 4 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | BQ25883 2-Cell, 2-A Boost-Mode Battery Charger With Power Path, USB On-The-Go Boost (OTG) For USB Input datasheet (Rev. A) | PDF | HTML | 2019年 4月 12日 |
| Application note | State of Charge Estimation Using Smart Battery Charger | PDF | HTML | 2021年 10月 11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 | BQ25883 QFN boost-mode battery charger evaluation module | 2019年 2月 5日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
開發板
BQ25883EVM — 升壓電池充電器評估模組
Charging 2-cell, 8.4-V battery packs from a legacy 5-V USB port requires a boost charger. The BQ25883 is a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with dynamic power-path management for 2-s Li-ion and Li-polymer batteries. The I2C serial interface with charging (...)
使用指南: PDF
開發板
BQ25887EVM — 使用電池平衡的升壓電池充電器評估模組
Charging 2-cell, 8.4-V battery from a legacy 5-V USB port requires a boost charger. The BQ25887 is a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with cell balancing for 2-s Li-ion and Li-polymer battery. The I2C serial interface with charging and cell balancing (...)
使用指南: PDF
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 (...)
使用指南: PDF
參考設計
PMP40496 — 具有 5V USB 的 2 芯升壓充電系統參考設計
This 5-V USB, 2-cell battery boost charger reference design includes a charger system and a 2-cell battery holder with a gauge that can be connected by a cable or work independently. The key components of the charger system include the BQ25883 boost charger, TUSB320LAI Type-C CC logic, (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RGE) | 24 | Ultra Librarian |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。