Parameterize a Piecewise Linear Diode Model from a Datasheet

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Mohit
Mohit 2022-2-3
评论： Mohit 2023-1-9
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
Sabin 2022-12-21
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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