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bq24083是高度集成且灵活的锂离子线性充电器件,适用于空间有限的充电器应用。它在单个单片器件中提供集成的功率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。外部电阻设置充电电流的大小。 bq24083可选择两个输出电池充电电压:4.06 V和4.2 V.
该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,设备将自动重新开始充电。移除交流适配器后,设备自动进入睡眠模式。
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)) |
BQ24083 | BQ24080 | BQ24081 |
---|---|---|
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) Thermal Regulation | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) |
1 | 1 | 1 |
Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) |
Linear | Linear | Linear |
Catalog | Catalog | Catalog |
-40 to 125 | -40 to 85 | -40 to 85 |
10VSON | 10VSON | 10VSON |
4.5 | 4.5 | 4.5 |
6.5 | 6.5 | 6.5 |
7 | 7 | 7 |