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bqSWITCHER™系列是高度集成的锂离子和锂聚合物开关模式充电管理器件,适用于各种便携式应用。 bqSWITCHER™系列采用小型热增强型VQFN封装,提供集成的同步PWM控制器和功率FET,高精度电流和电压调节,充电预处理,充电状态和充电终止。系统控制版本为系统控制下的完全充电管理提供了额外的输入。
bqSWITCHER™分三个阶段为电池充电:调节,恒定电流和恒定电压。根据用户可选择的最小电流水平终止充电。可编程充电定时器为充电终止提供安全备份。如果电池电压低于内部阈值,bqSWITCHER™会自动重启充电周期。当移除V CC 电源时,bqSWITCHER™会自动进入睡眠模式。
所有其他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)) |
BQ24100 | BQ24103 | BQ24103A | BQ24104 | BQ24105 | BQ24108 | BQ24109 | BQ24113 | BQ24113A | BQ24115 |
---|---|---|---|---|---|---|---|---|---|
1 | 1 2 | 1 2 | 1 2 | 1 2 3 | 1 | 1 | 1 2 | 1 2 | 1 2 3 |
Charger | Charger | Charger | Charger | Charger | Charger | Charger | Charger | Charger | Charger |
Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer |
4.2 | 4.2 8.4 | 4.2 8.4 | 4.2 8.4 | 2.1 | 4.2 | 4.2 | 4.2 8.4 | 4.2 8.4 | 2.1 |
4.2 | 4.2 8.4 | 4.2 8.4 | 4.2 8.4 | 15.5 | 4.2 | 4.2 | 4.2 8.4 | 4.2 8.4 | 15.5 |
Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) | Integrated FET Temp Monitoring (Thermistor Pin) |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) |
Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck |
Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
-40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 |
20VQFN | 20VQFN | 20VQFN | 20VQFN | 20VQFN | 20VQFN | 20VQFN | 20VQFN | 20VQFN | 20VQFN |
4.35 | 4.35 | 4.35 | 4.35 | 4.35 | 4.35 | 4.35 | 4.35 | 4.35 | 4.35 |
16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |