# \#mosfet-with-diode

**URL:** https://forum.plexim.com/tag/mosfet-with-diode/416.md

[Latest](https://forum.plexim.com/latest.md) · [Categories](https://forum.plexim.com/categories.md) · [Tags](https://forum.plexim.com/tags.md)

---

## [Separate .xml thermal description of MOSFET+Diode into two independent](https://forum.plexim.com/t/separate-xml-thermal-description-of-mosfet-diode-into-two-independent/2939)

<div class="topic-metadata">

**Author:** [@alefarri](https://forum.plexim.com/u/alefarri)\
**Replies:** 3\
**Last updated:** [March 27, 2026, 2:51pm UTC](https://forum.plexim.com/t/separate-xml-thermal-description-of-mosfet-diode-into-two-independent/2939 "2026-03-27T14:51:06Z")

</div>

Dear Mr/Ms, As I couldn’t find how to set diode electrical parameters in the MOSFET with Diode default block, I decided to try to separate the thermal description of the component into two independent files and build my…

---

## [Simulating synchronous buck with SPICE components (MOSFTE/Drivers)](https://forum.plexim.com/t/simulating-synchronous-buck-with-spice-components-mosfte-drivers/2881)

<div class="topic-metadata">

**Author:** [@Omar](https://forum.plexim.com/u/Omar)\
**Replies:** 4\
**Last updated:** [February 26, 2026, 10:30pm UTC](https://forum.plexim.com/t/simulating-synchronous-buck-with-spice-components-mosfte-drivers/2881 "2026-02-26T22:30:54Z")

</div>

Hello all, I’m exploring the SPICE feature by trying to simulate a synchronous buck, but I receive an error message: “Unable to meet integration tolerances without reducing step size below smallest value allowed (3.5527…

---

## [Thermal modeling of the FETs and Anti-Parallel Diodes](https://forum.plexim.com/t/thermal-modeling-of-the-fets-and-anti-parallel-diodes/2367)

<div class="topic-metadata">

**Author:** [@kalana](https://forum.plexim.com/u/kalana)\
**Replies:** 10\
**Last updated:** [July 24, 2025, 8:29pm UTC](https://forum.plexim.com/t/thermal-modeling-of-the-fets-and-anti-parallel-diodes/2367 "2025-07-24T20:29:20Z")

</div>

Hi, I am designing a DAB at 100kHZ and Vo~400V, I am looking at the conduction and switching losses of the wolf speed C3M0025065L FETs. I used the thermal curve fitting to import the the turn-on and turn-off character…

---

## [Diode reverse recovery loss modelling using the MOSFET-with-diode component](https://forum.plexim.com/t/diode-reverse-recovery-loss-modelling-using-the-mosfet-with-diode-component/1796)

<div class="topic-metadata">

**Author:** [@Prathik](https://forum.plexim.com/u/Prathik)\
**Replies:** 1\
**Last updated:** [February 18, 2025, 4:56pm UTC](https://forum.plexim.com/t/diode-reverse-recovery-loss-modelling-using-the-mosfet-with-diode-component/1796 "2025-02-18T16:56:28Z")

</div>

I’m trying to create the loss model of a MOSFET power module and would like to use the MOSFET-with-diode component from the PLECS library instead of using a separate MOSFET and a diode. I found a way to input the diode …

---

## [Calculating switching loss in MOSFET with Diode with vendor thermal description (GaN Systems)](https://forum.plexim.com/t/calculating-switching-loss-in-mosfet-with-diode-with-vendor-thermal-description-gan-systems/1345)

<div class="topic-metadata">

**Author:** [@pchannegowda](https://forum.plexim.com/u/pchannegowda)\
**Replies:** 3\
**Last updated:** [April 11, 2024, 12:57pm UTC](https://forum.plexim.com/t/calculating-switching-loss-in-mosfet-with-diode-with-vendor-thermal-description-gan-systems/1345 "2024-04-11T12:57:07Z")

</div>

I’m trying to model semiconductor loss from a Gallium Nitride (GaN) MOSFET device. The device is modeled with Plecs MOSFET with Diode library model. The device thermal description is from GaN systems (a Plecs supported v…

---

## [How to calculate efficiency of the dc-dc converter, including both thermal loss and resistive losses?](https://forum.plexim.com/t/how-to-calculate-efficiency-of-the-dc-dc-converter-including-both-thermal-loss-and-resistive-losses/872)

<div class="topic-metadata">

**Author:** [@Kavita\_iitb](https://forum.plexim.com/u/Kavita_iitb)\
**Replies:** 6\
**Last updated:** [October 3, 2020, 1:13am UTC](https://forum.plexim.com/t/how-to-calculate-efficiency-of-the-dc-dc-converter-including-both-thermal-loss-and-resistive-losses/872 "2020-10-03T01:13:36Z")

</div>

In the demo models ‘Buck Converter with Thermal Model’, the efficiency has been calculated just by 1-(Ploss/Pin), where Ploss is just the switch conduction and switching loss calculated in the thermal domain. In this, wh…

---

## [MOSFET with diode. conduction loss overestimated when current is negative and MOSFET turned ON](https://forum.plexim.com/t/mosfet-with-diode-conduction-loss-overestimated-when-current-is-negative-and-mosfet-turned-on/675)

<div class="topic-metadata">

**Author:** [@pchannegowda](https://forum.plexim.com/u/pchannegowda)\
**Replies:** 5\
**Last updated:** [July 22, 2019, 6:26pm UTC](https://forum.plexim.com/t/mosfet-with-diode-conduction-loss-overestimated-when-current-is-negative-and-mosfet-turned-on/675 "2019-07-22T18:26:03Z")

</div>

Hello, I have defined a thermal model for the MOSFET with integrated antiparallel Diode. The conduction loss profile looks similar to the second curve in page 138 of the Plecs manual with Von(t) defined for when ion(t) …
