How to calculate a Gate resistor? IGBT gate resistor Calculation | MOSFET gate resistor Calculation

#igbt #Gateresistor #mosfet
0:00 Intro
00:24 Why gate resistor
01:27 desclaimer
01:57 Rgatemin
04:51 scale importance
05:01 tail current
05:37 Secondary turn on
07:00 Rgatemax
08:51 Final gate resistance value
09:21 Important point
09:49 Rgate power loss
References:
www.microsemi.com/document-po...
www.onsemi.com/pub/Collateral...
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[@stevenkamala7238]

Thanks bro for taking your time to make this video . much appreciated

[@samuelyesuvadianj9946]

Thank you so much

[@alexnoggle1874]

This video is great! I'll definately use it as a reference the next time I have to select a gate driver! Just one thing that I think you may have forgotten to mention. If you put a 0 Ohm resistor with a diode in parallel with the gate resistor, this would allow the gate to turn off much quicker by providing the current with a quicker path to ground.

[@manoA98A]

Beautiful explanation. Thank you

[@autotuneengineering]

Great Video!

[@traditionaltools5080]

Great video and very well explained. Ill have to check out your other ones. Cheers

[@FoolishEngineer]

That’s great!

[@magnetservicecenter]

It's not foolish engineering it's the most powerful engineering ❤

[@cnccontroller]

Thank you very much for the detailed answer!

[@FoolishEngineer]

You are welcome!

[@arijitdey4731]

You follow Great Scott good

[@krish2nasa]

Excellent explanation. Thank you very much.

[@FoolishEngineer]

You are welcome!

[@vaibhavjagtap3596]

Great informative video

[@KHOAIHOANG81]

WAO..! Very Well And Number one for me..❤️❤️❤️👬👍👬❤️❤️❤️

[@FoolishEngineer]

Many many thanks

[@GURUAUDIOPRODUCTION]

Exillent sir

[@ramagirikuna1586]

Hii sir Please Do one video on ferrite bead selection process for EMI suppression...

[@arijitdey4731]

You can also calculate the dq/dt from the datasheet, you have dv/dt and the Gate capacitance

[@jeng596]

Look up double pulse testing! It's a test to find out all sorts of useful switching characteristics for switching devices

[@ramagirikuna1586]

Tq sir ❤

[@danielugwa6517]

Thank you bros ur awesome. one more thing sir please can you make a video on how to make a gate drive transformer coiling nd how to control an overheating mosfet thank sir

[@Shekharkumar-sf9ts]

Please make a video on feedback circuit to measure and control output voltage and current

[@sukhdeosingh617]

Your every videos are very informative. Kind make a video on snubber design in SMPS supply.

[@FoolishEngineer]

Sure I will

[@MrGururaj07]

Sir, your explanations are very useful for my project & animation is very impressive. from which software do you make animation.

[@kothapallysandeep587]

What are the tool you are using for circuit representation?

[@chotuusian4127]

Nice

[@FoolishEngineer]

Thanks

[@HL65536]

So, if the gate driver has the capability of being short-circuited the lowest external gate resistor value is 0? I built a boost converter a few months ago which uses no external gate resistor with a 5A capable gate driver. At the mosfet gate there is a gate ringing of 11Vpeak ~200MHz at turn off. As I don't care about EMI on personal projects, are there any other concerns with this? (11Vpk is within the allowed +-20V at the gate). It already works flawlessly for >1000h of runtime with no problems and even achieves ~97% efficiency.

[@dream_electronic_embedded9285]

Please upload how to make input emi emc circuit

[@user-hb1tx6de5t]

The explanation is very slow and steady with some thesis, very helpful, but I have a question, from gate driver, the MOSFET/IGBT is voltage driven switch and we don't expect any current (like 1A with voltage 10V) that is depicted in the video... some confusion about this, could you help with this?

[@FoolishEngineer]

due to the charging of input capacitor very high amount of current can flow for short time

[@Dc_tech386]

I have a big question can I use emitter follower to every igbt in and 15kw inverter to help increase current to the gate say 1.5 amp to each gate so I have 24 igbt so for everything igbt 1.5 to everyone so I would give 36 amp to the entire 4 channel is it possible

[@lockdowntimepass7019]

Sir your video is top but make video two tipes Hindi and English thankyou sir ji

[@FoolishEngineer]

We will try

[@lockdowntimepass7019]

@@FoolishEngineer thankyou sir ji

[@EhsanHabib]

Bro, Can you make a Setup with One High Voltage Power Supply, One Oscilloscope, And Half Bridge circuits with One Inductor as a Load..... Using this You can show Proper Results to us (Viewer's)

[@FoolishEngineer]

Working on it!!!

[@StevenLarry-fr2xd]

Hi ,I have 2x faulty 90n33 igbt,is it possible I change with 2x 40n60 igbt only ones I got...ta Steven , 4:52 png.

[@lockdowntimepass7019]

How drive two pic igbt module circuit dayagram for h brize run for 5kw sinewave inverter transformer

[@EuphoricDan]

Why would we use a gate resistor as opposed to a pull down resistor from gate to drain?

[@SanGon0703]

What do you mean by "let's say we need 10v to turn it on and -10v to turn it off efectively"? isn't the voltage at vee 0v or in other words ground, instead of -10v?

[@xehpuk]

It depends, its of at 0 but there may be noisy signals and other issues. Sometimes it will not matter. If you want to be sure drive it below zero.

[@SanGon0703]

@@xehpuk Thanks for your reply! Sorry for my ignorance, I have a +12v battery how can I drive the MOSFET with, for example, -12v?

[@xehpuk]

@@SanGon0703 You need to check the specification. Some mosfets have GS voltage +-12 Volt, some +-20 Volts. You only need to go below zero if a short duration of MOSFET on when it shall be off is a disaster.

[@ekiskaliburnirvana9047]

Calculate? Just put 10R and continue.

[@SiddharthSingh-sk2md]

😂 right

[@usharamdas6947]

sir. bleeder.rasister.value.calculation.sir

[@adarshbairwa8035]

Subtitles cover the background words ....so irritating 😵

[@salaudeenkhan6866]

Hindi bhi aati h ya nhi bhai

[@FoolishEngineer]

Ati bhi hoto tuze kyu batau?

[@freedomisfood6966]

Your video is just speaking.in this video I expect to formula and all thing definitely to be expressed.but nothing.just speaking and two formula.?????!!!!