NCP1854 是一款可全编程的单锂离子电池开关电池充电器,适用于从 USB 标准输入电源和交流适配器电源进行充电。该器件集成了同步 PWM 控制器、功率 MOSFET 和整个充电周期监控,包括软件监控下的安全功能。可在系统和电池之间放置一个可选的电池 FET,以便隔离系统和为系统供电。在充电周期期间,会监控 NCP1854 结温度,并通过 I2C 设置对电流和电压进行相应修改。充电器活动和状态通过连接系统的专门引脚进行报告。输入引脚会针对过电压进行保护。
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可靠性数据
Die Related Summary Data
Device: NCP1854FCCT1G
Equivalent to wafer fab process: ONC25
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平均故障间隔时间/平均无故障时间(按小时计算)
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ONC25
2
7241242698
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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.)