BQ25890
- High efficiency 5-A, 1.5-MHz Switch Mode buck charge
- 93% Charge efficiency at 2 A and 91% charge efficiency at 3-A charge current
- Optimize for high voltage input (9 V to 12 V)
- Low power PFM Mode for light-load operations
- USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
- Selectable 500-kHz and 1.5-MHz Boost Converter with up-to 2.4-A output
- 93% Boost efficiency at 5 V at 1-A output
- Accurate Hiccup Mode overcurent protection
- Single input to support USB input and adjustable high voltage adapters
- Support 3.9-V to 14-V input voltage range
- Input current limit (100 mA to 3.25 A with 50-mA resolution) to support USB2.0, USB3.0 standard and high voltage adapters
- Maximum power tracking by input voltage limit up-to 14 V for wide range of adapters
- Auto detect USB SDP, CDP, DCP, and non-standard adapters (BQ25890)
- Input Current Optimizer (ICO) to maximize input power without overloading adapters
- Resistance Compensation (IRCOMP) from charger output to cell terminal
- Highest battery discharge efficiency with 11-mΩ battery discharge MOSFET up to 9 A
- Integrated ADC for system monitor (voltage, temperature, charge current)
- Narrow VDC (NVDC) power path management
- Instant-on works with no battery or deeply discharged battery
- Ideal diode operation in Battery Supplement Mode
- BATFET Control to support Ship Mode, wake up, and full system reset
- Flexible autonomous and I2C Mode for optimal system performance
- High integration includes all MOSFETs, current sensing and loop compensation
- 12-µA Low battery leakage current to support Ship Mode
- High Accuracy
- ±0.5% Charge voltage regulation
- ±5% Charge current regulation
- ±7.5% Input current regulation
- Safety
- Battery temperature sensing for charge and Boost Mode
- Thermal regulation and thermal shutdown
The BQ25890, BQ25892 are highly-integrated 5-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.
技術文件
設計與開發
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BQ25890EVM-664 — BQ25890 完整充電器評估模組
The bq25890 evaluation module (EVM) is a complete charger module for evaluating the highly-integrated switch-mode battery charge management and system power path management device for 1 cell Li-Ion and Li-polymer battery in a wide range of smartphone and tablet applications.
The BQ25890EVM-664 (...)
BQSTUDIO — Battery Management Studio (bqStudio) 軟體
在 bqStudio 中也支援舊產品,如 bq20xxx 和 bq30xxx。從適當的產品頁面下載特定的評估軟體。此外,您為 bqStudio 下載的最新化學更新程式需要 bqStudio 的更新版。
BQ25890SW-LINUX — 適用於 BQ25890 的 Linux 驅動程式
Linux mainline status
Available in Linux mainline: Yes
Available through git.ti.com: N/A
Linux source Files
The files associated with this (...)
PMP15011 — 適用於由單節鋰離子電池供電之終端設備的串級式雙充電器參考設計
TIDA-00818 — 行動銷售點 (mPOS) 電源參考設計
TIDA-01582 — 適用於 USB 電力傳輸可編程電源供應的開關電容快速充電參考設計
TIDA-00590 — 雙電池充電器 IC 參考設計尺寸 (以 Cascode 配置連接)
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
WQFN (RTW) | 24 | Ultra Librarian |
訂購與品質
- 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
- 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。