参数资料
型号: SI8506-B-IM
厂商: Silicon Laboratories Inc
文件页数: 19/36页
文件大小: 0K
描述: SENSOR CURR 20A 5.5V UNI 12QFN
标准包装: 74
电流 - 感应: 20A
精确度: ±5%
电流 - 电源: 4mA
传感器类型: 闭环
电源电压: 2.7 V ~ 5.5 V
输出: 可配置
频率: 50kHz ~ 1MHz
电极标记: 单向
工作温度: -40°C ~ 125°C
封装/外壳: 12-VFQFN
包装: 管件
其它名称: 336-1418-5
Si85xx
3.3.5. Measurement Watchdog Timer and FAULT Output
A built-in watchdog timer disables measurement and holds OUT or OUT1 and OUT2 at their minimum values when
the time between integrator resets exceeds the FAULT Detect Time. The output signal from this watchdog is
available on the FAULT output pin (Si8517/8/9 only).
Figure 16 illustrates two means of entering a fault condition. Either fault condition 1 or 2 occurs when the reset
period exceeds the FAULT Detect Time, which ranges from 30 to 80 μs due process variations. The fault condition
ends when the next logic reset cycle begins.
Output
t Cycle Reset
Reset Logic
30-80 μs
FAULT Detect Time
FAULT Output
FAULT Condition 1
Output
Reset Logic
30-80 μs
FAULT Detect Time
FAULT Output
FAULT Condition 2
Figure 16. Measurement Watchdog Timer Operation
Preliminary Rev. 0.4
19
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