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The RT9525 is an integrated single cell Li-ion battery charger with Auto Power Path Management (APPM). No external MOSFETs are required. The RT9525 enters sleep mode when power is removed. Charging tasks are optimized by using a control algorithm to vary the charge rate including pre-charge mode, fast charge mode and constant voltage mode. For the RT9525, the charge current can also be programmed with an external resister. Additionally, the internal thermal feedback circuitry regulates the die temperature to optimize the charge rate for all ambient temperatures. The charging task will always be terminated in constant voltage mode when the charging current reduces to the termination current of 20% ICHG_FAST. Other features include under voltage protection and over voltage protection for the VIN supply.
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- 输入端 VIN 最高耐压 28V
- 可选输入电流限制 ( 0.1A / 0.5A / 1.5A )
- 集成功率 MOSFET
- 自动电源路径管理 ( APPM )
- 因充电电流而变的可设置充电安全定时器
- 欠压保护
- 过压保护
- 电源状态和充电状态指示
- 热回馈优化充电速率
- 16引脚 QWFN 封装
- 符合 RoHS 规范,不含卤素
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