How to calculate a MOSFET RDS(ON) resistance [Power Losses]
ฝัง
- เผยแพร่เมื่อ 25 ส.ค. 2024
- MOSFET power dissipation depends on the value of RDS(ON), the higher the ON Resistance, the higher the power loss through the MOSFET. Therefore, to find the power dissipation, determining the drain-source on resistance is a significant step.
So, in this tutorial we going to see go through the steps to determine the Rds(ON) of a mosfet transistor.
Discover the essential method for calculating MOSFET RDS(ON) resistance to assess power losses in electronic circuits with our comprehensive tutorial. Tailored for electronics engineers and enthusiasts, this video covers the fundamentals of RDS(ON), factors influencing resistance, measurement techniques, and practical applications in power electronics. Learn how to optimize MOSFET selection and circuit design to minimize power dissipation and enhance efficiency in your projects.
🔧 What You’ll Learn:
Understanding MOSFET RDS(ON) Resistance
Factors Influencing RDS(ON) and Power Losses
Measurement Techniques and Considerations
Optimizing Circuit Design for Efficiency
📌 Key Topics Covered:
Introduction to MOSFET Power Losses
Calculating RDS(ON) for Power Dissipation
Practical Examples and Application Scenarios
Strategies for Reducing Power Losses
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Introduction to MOSFETs and Their Applications
Advanced Techniques in Power Electronics Design
Optimizing Switching Power Supplies
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Great video Sir really appreciate you sharing very helpful information 👍🏽🙏🏽
Wonderful, Thank you for the feedback. I'm Glad it was helpful!
Thank-you very much for this helpfull description.
My question is the value of current when making this test , where in datasheet we notice the RDS value @10v and 10A .
If we got 2 transistor which are identical in ID & Vgs but with different Amp. noted in RDS test
10v@10A = 0.15 mohm
10v@100mA = 0.15 mohm.
Which MOSFET are you using? Please clarify your question a bit.
@@CMTEQ
ATP5015PVR & 5015PVFR
can any of them be used instead of the other .?
Note vaue of IDrain in Rds test .
Thank-you in advance .
I can't find anything on google with the part you supplied. To answer your question, if you want to replace a transistor with another one, just make sure that the voltage rating and drain current is high enough for your circuit.
Same RDS is also great, but you can still use it even if RDS ON is higher, all you need is some form of a heat dissipation heatsink or anything.
Really you are very kind and .
Excuse me the correct mosfet nos. are
APT5015PVR & APT5015PVFR.