BQ7718xy 系列产品可提供适用于锂离子电池组系统的过压监视器和保护器。独立监控每节电池是否具有过压状态。为了实现更快速的产品线测试,BQ7718xy 器件可提供延迟时间大幅减少的客户测试模式 (CTM)。
在 BQ7718xy 器件中,当检测到任意电池上存在过压状态时,即会启动内部延迟计时器。在延迟计时器超时时,输出被触发进入其工作状态(根据配置的不同为高电平或低电平)。
| Function | Protection |
| Number of series cells (min) | 2, 3, 4, 5 |
| Number of series cells (max) | 3, 4, 5 |
| Features | Overvoltage, Single pin output drive, Stackable |
| Operating current (typ) (µA) | 1 |
| Rating | Catalog |
| Vin (max) (V) | 25 |
| TI functional safety category | Functional Safety-Capable |
| Overvoltage protection | 3.85, 3.95, 4.2, 4.225, 4.275, 4.3, 4.35, 4.45 |
| Operating temperature range (°C) | -40 to 110 |
| Battery overvoltage protection (min) (V) | 3.85 |
| Battery overvoltage protection (max) (V) | 4.65 |
| WSON (DPJ) | 8 | 12 mm² 4 x 3 |