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数据: BQ24080, BQ24081 1-A, Single-Chip, Li-Ion and Li-Pol Charger IC 数据表
bq24080和bq24081是高度集成且灵活的锂离子线性充电设备,主要针对空间有限的充电器应用。它们在单个单片器件中提供集成功率FET和电流传感器,高精度电流和电压调节,充电状态和充电终止。外部电阻设定充电电流的大小。
设备分三个阶段为电池充电:调节,恒定电流和恒定电压。根据最小电流终止充电。内部充电定时器为充电终止提供备用安全性。如果电池电压低于内部阈值,设备将自动重启充电。移除acadapter后,设备会自动进入睡眠模式。
所有商标均为其各自所有者的财产。
| Number of Series Cells |
| Function |
| Cell Chemistry |
| Battery Charge Voltage (Min) (V) |
| Battery Charge Voltage (Max) (V) |
| Features |
| Charge Current (Max) (A) |
| Control Interface |
| Control Topology |
| Rating |
| Operating Temperature Range (C) |
| Pin/Package |
| Operating Vin (Min) (V) |
| Operating Vin (Max) (V) |
| Absolute Vin (safety rating) (Max) ((V)) |
| BQ24080 | BQ24081 | BQ24083 |
|---|---|---|
| 1 | 1 | 1 |
| Charger | Charger | Charger |
| Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer |
| 4.2 | 4.2 | 4.2 |
| 4.2 | 4.2 | 4.2 |
| Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) Thermal Regulation |
| 1 | 1 | 1 |
| Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) |
| Linear | Linear | Linear |
| Catalog | Catalog | Catalog |
| -40 to 85 | -40 to 85 | -40 to 125 |
| 10VSON | 10VSON | 10VSON |
| 4.5 | 4.5 | 4.5 |
| 6.5 | 6.5 | 6.5 |
| 7 | 7 | 7 |