BQ2946xx 系列产品是用于锂离子电池包系统的二级过压监控器和保护器。该系列产品监视电池的过压状况,一旦超过 OVP 阈值就触发内部计数器;在经过设置的固定延迟之后,输出转换为高电平。如果电池电压下降至低于设定阈值减去迟滞所得的值,输出将会复位(变为低电平)。
| Function | Protection |
| Number of series cells (min) | 1 |
| Number of series cells (max) | 1 |
| Features | Overvoltage, Single pin output drive |
| Operating current (typ) (µA) | 1 |
| Rating | Catalog |
| Vin (max) (V) | 8 |
| Overvoltage protection | 4.225, 4.35, 4.45 |
| Operating temperature range (°C) | -40 to 110 |
| Battery overvoltage protection (min) (V) | 3.85 |
| Battery overvoltage protection (max) (V) | 4.6 |
| WSON (DRV) | 6 | 4 mm² 2 x 2 |