Double-Ended transformer-coupled Gate-Drive Circuit | Isolated MOSFET gate driving

Подписаться 60 тыс.

Просмотров 34 тыс.

50% 1

#foolishengineer #MOSFETdriver #IsolatedGatedriver
0:00 Skip Intro
00:46 What is the Need?
01:25 How to make it?
02:30 How it works?
04:06 What kind of IC we need?
04:49 A Real world application
05:32 IC selection
07:08 Transformer selection
References:
- www.ti.com/lit/ml/slua618a/sl...
- www.infineon.com/dgdl/Infineo...
- www.infineon.com/dgdl/Infineo...
More Videos:
Videos on MOSFET Drivers:
Transformer-coupled driver - • Isolated High Side MOS...
Bootstrap MOSFET driver - • How does a Bootstrap g...
High side MOSFET switching - • P-channel MOSFET as a ...
Increase MOSFET switching speed - • How to increase MOSFET...
MOSFET driver totem pole circuit - • What is Totem pole MOS...
MOSFET driver working - • What is MOSFET gate dr...
MOSFET gate resistance importance - • Why do we need gate Re...
MOSFET driver circuits - • What are MOSFET gate d...
Videos on MOSFET:
MOSFET Avalanche Ruggedness - • MOSFET Avalanche Rugge...
MOSFET Avalanche Breakdown - • What is Avalanche brea...
MOSFET Inductive switching - • MOSFET switching wavef...
MOSFET & Inductor - • MOSFET switching for a...
MOSFET SOA - • What is SOA of the MOS...
MOSFET switching - • How MOSFET switching w...
Parameters of a MOSFET - • How to select a MOSFET...
Basics of MOSFET - • Difference Between MOS...
Videos on BJT:
PNP BJT as a OV protection - • How to design PNP BJT ...
NPN BJT as a OV protection - • How to design NPN BJT ...
PNP BJT as a Switch - • How to use BJT as a sw...
NPN BJT as a Switch - • How to use BJT as a sw...
Basics of BJT - • How BJTs Work? | How T...
CCCV Charging:
Part 2 - • CCCV Battery Charging ...
Part 1 - • How does a Battery Cha...
Current Regulators:
CCC with op amp &BJT - • Constant Current Regul...
CCR with BJT & TL431 - • Constant Current Regul...
CCR with BJTs - • Constant Current Regul...
CCR with Zener diode & BJT - • Constant Current Regul...
CCR with LM317 - • Constant Current Regul...
Power Supplies:
Voltage regulator using transistor - • Voltage Regulator usin...
Full Bridge Converter - • How does a Full Bridge...
Half Bridge Converter - • How does a Half Bridge...
Zeta Converter - • How does a Zeta conver...
Cuk Converter - • How does a Cuk convert...
Buck-boost converter - • How does a Buck Boost ...
Double Ended Forward converter - • Double Ended Forward C...
Active Clamp Forward Converter - • Active Clamp Forward C...
Forward Converter - • How does a Forward con...
SEPIC converter part 2 - • SEPIC converter design...
SEPIC converter part 1 - • SEPIC converter design...
Flyback converter part 2 - • Flyback converter desi...
Flyback converter part 1 - • Flyback converter desi...
Push-pull converter part 2 - • How to design a Push p...
Push-pull converter part 1 - • How to design a Push p...
Boost converter design - • How to design a Boost ...
Buck converter design - • How to design a Buck C...
SMPS basics - • Basics of Switch Mode ...
Embedded Systems:
SPI Communication Part 3: • Advantages & Disadvant...
SPI Communication Part 2: • SPI communication Data...
SPI Communication Part 1: • Basics of SPI communic...
I2C Communication Part 3: • Advantages & Disadvant...
I2C Communication Part 2: • I2C Frame structure Un...
I2C Communication Part 1: • Basics of I2C communic...
UART Communication Part 2: • Understanding UART Com...
UART Communication Part 1: • Basics of UART Communi...
Basics of Communication: • Communication protocol...
Power Electronics:
Power Factor Correction - • Power Factor Correctio...
Power Factor - • What is Power Factor |...
Electric Vehicles:
Battery management system 2 : • How does a BMS (Batter...
Battery management system 1 : • What is a Battery Mana...
Battery basics part 4 : • Electric Vehicle batte...
Battery basics part 3 : • What are the types of ...
Battery basics part 2 : • What is SOC, SOH, SOP,...
Battery basics part 1 : • Which Battery is used ...
EV motor controllers part 2: • Motor Controllers in E...
EV motor controllers part 1: • Motor Controllers in E...
Charging of EVs: • Working of Electric Ve...
EV basics: • How does an Electric V...
EV parameters: • What is inside the Ele...
EV Motors: • Motors used in electri...
---------------------------------------------------------------------------
Check us out!
Facebook - / foolishengineer-407598...
Instagram - / foolish_engineer
Twitter - / foolisher25
Subscribe now for more videos like this!

Наука

Опубликовано:

25 июл 2024

Ссылка:

Скачать:

Готовим ссылку...

Добавить в:

Мой плейлист

Посмотреть позже

Комментарии : 49

@ministeriomundialliberando8403 Год назад

Thank you very much, now I found the reason for burning mosfets trying it in ciecuits without galvanic isolation between cold and hot side.

@electronicrepairservice2020 2 года назад

Interesting video, great explanation how all this works for those of us who are not engineers. Thank you.

@FoolishEngineer 2 года назад

Thank you so much! Please show support to my video with Super thanks.

@davebutler3905 Год назад

Well explained. Thank you

@FoolishEngineer Год назад

You are welcome

@tyronearendse1722 2 года назад

Hi friend thanks for another informative video

@FoolishEngineer 2 года назад

Thank you so much! Please show support to my video with Super thanks.

@user-nr1wn9qt1m 2 месяца назад

Thank you very much

@farosrohmangeloraramadan3897 2 года назад

Best mosfet driver for High frequency PWM

@imtiyazshaikh2608 Год назад

Good information ❤🎉

@FoolishEngineer Год назад

Thanks

@cesarcantoral6100 2 года назад

Thanks!

@FoolishEngineer 2 года назад

Thanks a ton for your contribution!!!!

@lbassaudiofactorylalith8729 Год назад

Thank you

@FoolishEngineer Год назад

You're welcome

@yunesrahem2715 Год назад

thank you , how much the primary current was ?

@sudheerkumar5966 2 года назад

Very very good sir

@FoolishEngineer 2 года назад

Thank you so much!

@gazzacroy 2 года назад

cool nice video :)

@FoolishEngineer 2 года назад

Thank you so much! Please show support to my video with Super thanks.

@emmanueloffiong4652 3 месяца назад

Can this gate drive transformer partan be used in a 50hz oscillation controller circuit?

@Dc_tech386 6 месяцев назад

A driver ic is more expensive then transistor so a simple totem pole can be use that provide more current like tip41c tip42c and voltage scaling is required to get high side volt of 20.5 v two transformer is required for the phase shift is done winding 32 turn of 24 gauge copper for voltage scaling to get best high voltage for drivers the igbt in high side .core area and materials is mnzm pc40 (20mmx25mm ) low side turn most be the same as primary. The first transformer high side is connected to Q1 mosfet and the second transformer low side is connected to Q2 mosfet and same is done for the Q3 and Q4

@benjaminvangheluwe3079 4 месяца назад

How can death-time insertion be included to prevent 'shoot trough' in this circuit? Some nice dual output IC's with death-time regulation were found, but their dual outputs were either both positieve or both negatieve. Is it understood correctly that both outputs must be of opposite polarity, so positive & negative? Do yo know any respective IC drives which incl death time regulation please?

@waterfuel Год назад

Can the TL494 be used to run single primary coil, 2 MOSFET , high + low side gate driving Forward converter without the transformer coupling ?

@edinfific2576 Год назад

It only has about 200mA driving current capability, you would need to amplify it with a PNP/NPN pair capable of at least 500-600mA, but 1-2A is recommended minimum.

@Raz82000 2 года назад

Can we use optocoupler as an isolated gate driver? Thank you. Proud subscriber here. ❤

@tejonBiker 2 года назад

In theory yes, but it's not very practical, is better combinate with small transistors to propagate signals to the power transistor

@FoolishEngineer 2 года назад

Thank you so much! Please show support to my video with Super thanks. Please wait for my new videos!! I am sure you'll find your answer.

@dingsens2810 2 года назад

No, you can not use an optcoupler as a gate driver, at least not on its own. To make this work, you would need an isolated power supply. Additionally, since the optocoupler provides you only a transistor output, to make it work in high frequency applications you would still need either a proper gate driver or at least a transistor drive stage, otherwise you would have to make the pull up or down resistor too small for practical use. Besides, if you already have a power supply, you could also use a digital isolator ic like the SI8421. And at this point why not use a proper high voltage half bridge driver.

@ravanking9865 2 месяца назад

What was the problem pwm ic and mosfet burning on isolated gate driver circuit. When 400v side moset switching time 12v side mosfet will get short and burn after that pwm ic also burn. 400v side mosfet and resistor all good

@Nick-cf4iq 2 года назад

Does input A and B need to be inverted? so when A is high B is low and vice versa ?

@FoolishEngineer 2 года назад

yes

@warunakumara7671 2 года назад

sir my name is waruna kumara iam from srilanka , need to ask a question from you sir , in this video you were explaining about the action of high side mosfet but to drive it you need to connect source to ground but it hasnt happend due to low side fet is in the off position , please be kind enough to explain this

@tejonBiker 2 года назад

I highly recommend see the videos about transistors/mosfets in the description of the videos. Transistor can be tricky to understand, the key to answer your question is: the voltage applied to turn on the mosfet is Vgs (Voltage Gate-Source), this means, positive voltaje (in case of N-Channel Mosfet) measured in the gate (positive probe) and in the source ( negative source). "about the action of high side mosfet but to drive it you need to connect source to ground" You can have your source pin connected to ground, this is source-common configuration, this is quite common in low voltage non isolated application, or in this case the lower part the half bridge, but is not the only case. You can trigger mosfet in "floating position" (source not connected to "GND"), but remember, you need a dedicated/isolated power supply with positive output at gate-pin in the mosfet referenced with the source-pin, no matter if the source-pin is connected to ground, this is where transformer enter, the transformer driver can create dedicated/isolated voltages and at the same time send activation signal (is a win-win). I hope this helps, from a guy that in their time have the same questions.

@warunakumara7671 2 года назад

@@tejonBiker thank you for the explanation sir , ill study about the floating position of a mosfet and if i got questions ill ask from you thank you sir

@Metadelb13 5 месяцев назад

Is there any book that teaches all this electrical ckt. ? Curious please let me know. Thanks!

@FoolishEngineer 3 месяца назад

you can see the references of such things in my video description

@freedomisfood6966 6 дней назад

The problem is this when 1th side change pulse with i second side voltage go high and low.i try many but cant solve this problem.

@styrishrodrigues 2 года назад

Please explain how igbt works.. Need an urgent lesson about it

@FoolishEngineer 2 года назад

I am working on it!

@Electronzap 2 года назад

I need to get some transformers.

@FoolishEngineer 2 года назад

Sorry I don't have any affiliate link😅

@Electronzap 2 года назад

@@FoolishEngineer too bad lol. That's a big reason why I made a website, and keep it even though it doesn't get much traffic. I needed one for Amazon affiliation.

@_ZapZarap_ 2 года назад

Надо и нагрузку силовых транзисторов показать.

@FoolishEngineer 2 года назад

Благодарим вас за вклад. Это просто для представительских целей.

@tomg8069 Год назад

Here the dead time can be an issue

@samuelritter1509 Год назад

I think that there is a small, but significant mistake... ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-DeX2e0jQ8gI.html If you would drive this circuit AC coupled with the serial capacitor, then the duty-cycle would be limited to