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Current Sensing for High Voltage Application CIRCUIT (LTC610

2017-07-19 04:20  
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This article describes the Current Sensing for High Voltage Application CIRCUIT (LTC6101). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components:LTC6101.

High voltage current sensing/monitoring can be designed using LTC6101 op-amp. The following current sensing circuit is capable of measuring electrical current in 500 volts system. Here is the schematic diagram of the circuit:

high voltage current sensing circuit circuit schematic

Two external Mosfets is added to hold off the voltage, allows the LTC6101 to be connected to a very high potentials and measure the current flow. The output current from the op-amp, that is proportional to the sensed voltage at Rsense, flows through M1 and create a ground referenced output voltage.


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