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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/禁用集成威廉希尔官方网站 (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。
所有商标是他们各自所有者的财产。
| 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 |