BQ25618/619 将充电、升压转换器和电压保护功能集成在单个器件中。该器件为开关充电器提供了业界最低的终端电流,从而以最大电池容量为可穿戴设备充电。BQ25618/619 具有出色的低静态电流,可在运输模式下将电池泄漏降低至 6uA,从而节约电池电量,将器件的货架期延长一倍。BQ25619 采用 4x4 QFN 封装,以便于布局。BQ25618 采用 2.0x2.4mm2 WCSP 封装,以支持空间受限的设计。
| Number of series cells | 1 |
| Charge current (max) (A) | 1.5 |
| Vin (max) (V) | 13.5 |
| Cell chemistry | Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 |
| Battery charge voltage (min) (V) | 3.5 |
| Battery charge voltage (max) (V) | 4.52 |
| Absolute max Vin (max) (V) | 22 |
| Control topology | Switch-Mode Buck |
| Control interface | I2C |
| Features | BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) |
| Vin (min) (V) | 3.9 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| DSBGA (YFF) | 30 | 5.71999999999999912 mm² 2.2 x 2.5999999999999996 |