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78M6612安全注意事项

资料介绍
摘要:本应用笔记介绍的78M6612电能计量芯片工作时的安全防范。文章阐述了隔离的测试设备, 78M6612评估(EV)板,在电路仿真器,通信接口的预防措施。

78M6612
A Maxim Integrated Products Brand
Safety Precautions
APPLICATION NOTE
AN_6612_024 March 2010

Introduction
When using a shunt as a current sensor with the 78M6612, V3P3 must be directly connected to the
NEUTRAL wiring for precise energy measurement accuracy. This topology presents two potential safety
issues:

The 78M6612 ground pin is normally -3.3 V below earth ground.
In the event of a LINE wiring reversal, the 78M6612 ground pin becomes 120/240……
标签:MaximSoCEnergymeasurementEnergyefficiencyPower-supplyunitsV3P3Current-sensingshuntPCBsafety
78M6612安全注意事项
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