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bq2970電池保護(hù)裝置為高放電/充電電流操作或電池過充電條件下的過流保護(hù)提供精確的監(jiān)控和觸發(fā)閾值。
bq2970器件為鋰離子/鋰聚合物電池提供保護(hù)功能,并通過外部功率FET提供監(jiān)控,以便通過高充電或放電電流進(jìn)行保護(hù)。此外,存在過度充電和耗盡的電池監(jiān)控和保護(hù)。這些功能在NORMAL模式操作中實(shí)現(xiàn)了低電流消耗。
所有商標(biāo)均為其各自所有者的財(cái)產(chǎn)。
| ? |
|---|
| 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 |
| ? |
| BQ2970 | BQ2980 |
|---|---|
| Protection ? ? | Protection ? ? |
| 1 ? ? | 1 ? ? |
| 1 ? ? | 1 ? ? |
| No Communication ? ? | No Communication ? ? |
| Low-Side NCH CHG/DSG FET Drive Programmable EEPROM or EPROM Over-current in Charge (OCC) Over-current in Discharge (OCD) Over-voltage (OV) Short-circuit Discharge (SCD) Under-voltage (UV) ? ? | Analog current sense High-Side NCH CHG/DSG FET Drive Programmable EEPROM or EPROM Temperature sense Over-current in Charge (OCC) Over-current in Discharge (OCD) ? ? |
| 4 ? ? | 5 ? ? |
| Catalog ? ? | Catalog ? ? |
| 8 ? ? | 5.5 ? ? |
| 6WSON ? ? | 8X2QFN ? ? |