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bq769x0系列的稳健耐用型模拟前端(AFE)器件通常用作针对下一代高功率系统(例如,轻型电动车辆,电动工具和不间断电源)的完整电池组监控和保护解决方案的一部分.bq769x0在设计时充分考虑了低功耗要求,不仅可通过使能/禁用集成电路(IC)中的子模块来控制整个芯片的电流消耗,而且还可以利用SHIP模式将电池组轻松切换至超低功耗状态。
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Function |
Number of Series Cells (Min) |
Number of Series Cells (Max) |
Communication Interface |
Features |
Typical Operating Current (Typ) (uA) |
Rating |
Vin (Max) (V) |
Pin/Package |
BQ76940 | BQ76920 | BQ76925 | BQ76930 |
---|---|---|---|
Monitoring (Analog Front-End) | Monitoring (Analog Front-End) | Monitoring (Analog Front-End) | Monitoring (Analog Front-End) |
9 | 3 | 3 | 6 |
15 | 5 | 6 | 10 |
I2C | I2C | I2C | I2C |
Cell Balancing Coulomb counter (integrating current sense) Integrated ADC LDO Low-Side NCH CHG/DSG FET Drive Requires separate MCU Temperature sense Over-current in Discharge (OCD) Over-voltage (OV) Short-circuit Discharge (SCD) Under-voltage (UV) | Cell Balancing Coulomb counter (integrating current sense) Integrated ADC LDO Low-Side NCH CHG/DSG FET Drive Requires separate MCU Temperature sense Over-current in Discharge (OCD) Over-voltage (OV) Short-circuit Discharge (SCD) Under-voltage (UV) | Analog current sense Cell Balancing LDO Requires separate MCU Temperature sense Short-circuit Discharge (SCD) | Cell Balancing Coulomb counter (integrating current sense) Integrated ADC LDO Low-Side NCH CHG/DSG FET Drive Requires separate MCU Temperature sense Over-current in Discharge (OCD) Over-voltage (OV) Short-circuit Discharge (SCD) Under-voltage (UV) |
40 | 40 | 40 | 40 |
Catalog | Catalog | Catalog | Catalog |
75 | 25 | 26.4 | 50 |
44TSSOP | 20TSSOP | 20TSSOP 24VQFN | 30TSSOP |