Parameterize a Piecewise Linear Diode Model from a Datasheet
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I'm not sure why the author chose 0.6 as the forward voltage and 0.1 as the drop voltage, when the datasheet provides 0.7 V as the forward voltage.
Does the voltage drop across the diode have to be assumed here?
Here is a link to the mathworks documentation on the topic
https://in.mathworks.com/help/physmod/sps/ug/parameterize-a-piecewise-linear-diode-model.html
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Sabin
2022-12-21
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For this case forward voltage is 0.7V when the forward current is 5mA. Forward voltage is not actually a fixed value. The piecewise linear Diode block in Simscape Electrical defines Vf as the ‘Minimum voltage that needs to be applied for the diode to become forward-biased.’ We need two values for the forward voltage to compute the voltage drop and the diode on resistance, the minimum and the value at a given current. I hope this helps.
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