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FAN54053 是一款 1.55 A 符合 USB 标准的开关模式充电器,具有功率路径运行,USB OTG 升压支持,JEITA 温度控制和生产测试模式支持,采用小型 25 凸块、0.4 mm 间距 WLCSP 封装。为了实现快速系统启动,该集成电路包括了一个功率路径电路,可将电池从系统电源轨断开,从而确保系统可以在 VBUS 联接后快速通电。功率路径电路确保在插入充电器后,即使电池没有电或短路,系统电源轨仍保持通电状态。充电参数; 浮动电压,输入电压调节,输入电流,充电电流和其他运行模式可通过 I2C 接口进行编程,该接口运行速度可达 3.4 Mbps。充电器和升压稳压器电路在 3 MHz 下进行开关,以尽量减小外部无源元件的尺寸。FAN54053 在三个相位给电池充电:调节、恒定电流和恒定电压。该集成电路可以在电池降至电压阈值以下时自动重启充电循环。如果去除了输入源,该集成电路则进入高阻抗模式,防止电池电流泄漏到输入。充电状态通过 I2C 端口报告回主机。动态输入电压控制可防止弱适配器电压崩溃,从而确保此类适配器的充电能力。FAN54053 采用节省空间的 2.4 mm x 2.0 mm WLCSP 封装。
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FAN54053UCX
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Die Related Summary Data
Device: FAN54053UCX
Equivalent to wafer fab process: CMOS SUB
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CMOS SUB
2
920154574
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Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)