BQ2970 电池保护器件在高放电/充电电流运行或电池过度充电情况下提供一个针对过流保护的精确监控和触发阈值。
BQ2970 器件提供针对锂离子/锂聚合物电池的保护功能,并且监控外部功率 FET,以便在高充电或放电电流时提供保护。此外,还有过度充电和电量耗尽电池的监控和保护。这些特性在正常模式运行中以极低的流耗实现。
| Function | Protection |
| Number of series cells (min) | 1 |
| Number of series cells (max) | 1 |
| Features | FET drive, Overcurrent during charge (OCC), Overcurrent during discharge (OCD), Overvoltage, Short-circuit Discharge (SCD), Undervoltage |
| Operating current (typ) (µA) | 4 |
| Rating | Catalog |
| Vin (max) (V) | 8 |
| Overvoltage protection | 4.275, 4.28, 4.425 |
| Operating temperature range (°C) | -40 to 85 |
| Battery overvoltage protection (min) (V) | 3.85 |
| Battery overvoltage protection (max) (V) | 4.6 |
| WSON (DSE) | 6 | 2.25 mm² 1.5 x 1.5 |