BQ40Z50-R2 器件采用已获专利的 Impedance Track™ 技术,是一个全集成、单芯片、基于电池组的解决方案,可为 1 节、2 节、3 节和 4 节串联锂离子和锂聚合物电池组提供电量监测、保护和认证等各种特性。
BQ40Z50-R2 器件利用其集成的高性能模拟外设,测量锂离子或锂聚合物电池的可用容量、电压、电流、温度和其他关键参数,保留准确的数据记录,并通过 SMBus v1.1 兼容接口将这些信息报告给系统主机控制器。
| Cell chemistry | Li-Ion/Li-Polymer, LiFePO4 |
| Number of series cells | 2-4 Cells, Single Cell |
| Communication interface | SMBus |
| Battery capacity (min) (mAh) | 100 |
| Battery capacity (max) (mAh) | 65000 |
| Implementation | Pack |
| External capacity indication | LED |
| Features | Cell balancing, Impedance Track™ algorithm, Integrated Protector, SHA-1 Authentication, Turbo Mode |
| Operating temperature range (°C) | -40 to 85 |
| Cell balancing | External, Internal |
| Rating | Catalog |
| VQFN (RSM) | 32 | 16 mm² 4 x 4 |