NCV7680 由八个线性可编程恒定电流源组成。该零部件适用于汽车应用中基于 LED 的后尾组合灯调节和控制。带有 NCV7680 的系统设计可实现两种亮度水平,一个用于截止,一个用于尾部照明,还可以实施可选的 PWM 控制。单独的 LED 亮度水平可轻松编程 (截止电流值、尾部占空比值),可选的外部镇流器 FET 可在需要高电流的设计上实现配电。回退功率限制降低了过电压条件下的驱动电流。这对于不使用外部 FET 的低电流应用最有用。
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可靠性数据
Die Related Summary Data
Device: NCV7680PWR2G
Equivalent to wafer fab process: BP STD LINEAR
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等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
BP STD LINEAR
10
20757261636
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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.)