BQ25887 是一款高度集成的 2A 升压开关模式电池充电管理器件,适用于 2 节 (2s) 锂离子和锂聚合物电池。BQ25887 具有 I2C 控制和电池平衡功能,适用于 USB 输入。
| Number of series cells | 2 |
| Charge current (max) (A) | 2 |
| Vin (max) (V) | 6.2 |
| Cell chemistry | Li-Ion/Li-Polymer |
| Battery charge voltage (min) (V) | 6.8 |
| Battery charge voltage (max) (V) | 9.2 |
| Absolute max Vin (max) (V) | 20 |
| Control topology | Switch-Mode Boost |
| Control interface | I2C |
| Features | BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), Input OVP, Integrated ADC, VINDPM (Input voltage threshold to maximize adaptor power) |
| Vin (min) (V) | 3.9 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| VQFN (RGE) | 24 | 16 mm² 4 x 4 |