All Questions
6 questions with no upvoted or accepted answers
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Pspice simulation not working
I am simulating the evaluation board LM5145EVM-HD-20A on Pspice.
(https://www.ti.com/tool/LM5145EVM-HD-20A)
LM5145 already has the Pspice model for the same but the switches used are not Pspice models ...
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Switching Freq. and Output voltage error
Attached is the datasheet for the Synchronous Buck Controller: https://www.ti.com/lit/ds/snvsb32b/snvsb32b.pdf?ts=1711536038118&ref_url=https%253A%252F%252Fwww.ti.com%252Ftool%252FLM5145EVM-HD-20A
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Why do we need a small external gate to source capacitor for a MOSFET drive circuit?
I have a question regarding a MOSFET half bridge driver circuit. We always connect a small capcitor between the gate and source of both the high side and the low side switch, typically in picofarads. ...
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377
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Failure Modes for Synchronous Boost Low-Side MOSFET?
I'm looking for some input on possible failure-modes for the low-side MOSFET in a synchronous BOOST converter. I am using LM5122: https://www.ti.com/lit/ds/symlink/lm5122.pdf
Out of 50 units built, 2 ...
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Is the switching speed of MOSFET comparable to that of a Schottky diode?
Assuming identical voltage and current rating, which is having higher switching speed? MOSFET or Schottky diode?
In synchronous buck converter, we replace Schottky diode with MOSFET (low side) for ...
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Questions regarding Gallium Nitride semiconductor devices in Switched Mode Power Supplies
I have a couple of questions regarding the use of Gallium Nitride MOSFET devices in a DC/DC converter design of mine. My topology is an LCC full bridge converter.
My knowledge is not at expert level ...
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