22 lines
631 B
Markdown
22 lines
631 B
Markdown
---
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title: 电压监测设计
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updated: 2022-01-11 09:17:31Z
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created: 2022-01-08 13:18:05Z
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---
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处理器自带的ADC对于一般的应用精度足够 但需要注意待采电压范围
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STM32F407典型资源:
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![cd7fab75f5837b64305965cfff0e4192.png](../../../_resources/cd7fab75f5837b64305965cfff0e4192.png)
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预设电压、电流、温度范围,定时检测,超出则认为是故障
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典型电压监测点:进电,分支稳压点,PLL供电点
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电流检测只做一处,即进电即可
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典型温度检测点:进电DCDC/LDO,PLL,壳体
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可能需要根据工作状态(模式/高低温)等配置不同的阈值 |