Induction cooktop's IGBT and a N531 gate driver both got short circuit. Getting the N531 driver is not possible here and buying from outside of my country is currently no easy. As I see, many many cooktop uses transistor based driver. That is why I am also thing to use similar one. I got a...
I'm using a gate driver PCB (using ucc5870) I designed to switch IGBTs in a Semikron SKM400GB12T4 module.
The PCB controls 2 gate drivers, high and low side. This is the schematic for the low side switch which I'm currently testing (haven't gotten to the high side switch yet, but it's the...
I have a surge tester setup that uses a high-voltage power supply (up to 1000 V) to charge a non-polarized capacitor bank using SW1 to energize Relay 1 in Image 1. The bank discharges into a waveshape network (inductors + resistors) through a high-power relay, triggered by a push-button. Each...
I am in the process of designing an Automatic Voltage Regulator (AVR) for a diesel generator's alternator, utilizing a microcontroller-based approach.
Currently, I do not have access to the specific generator to provide detailed specifications, but my general design framework is as follows...
Hello,
I’m using a PDME2-S15-S24-S isolated power supply to power the IGBT side of the gate driver. The power supply outputs 24-ish V, and I’m using a TL431-Q1 adjustable shunt regulator to create a +16V and -8V rail.
When I measure the supply rails, I can confirm +16V and -8V are present...
Hello guys.
This Will be a Stupid question, one i can't find solution to on google.
If schematics are needed it will follow if don't know how to fix it.
In short I have a center-tap inductor connected to STGW38IH130D Igbt(it's the only chip i have that worked with the powersupply i had, a acdc...
After boosting the 3.3V 20khz pulse wave to 15V using a push-pull stage IGBT gate terminal input. And 24V power is IGBT's collector And I want to use the bootstrap. But it seems that the operation of this circuit is not normal. What is the problem and how can I fix it?
After boosting the 3.3V 20khz pulse wave to 15V using a push-pull stage
IGBT gate terminal input. And 24V power is IGBT's collector
And I want to use the bootstrap.
But it seems that the operation of this circuit is not normal. What is the problem and how can I fix it?
Hello all,
I have been checking the EVAL-ADUM4146 evaluation board for the ADUM4146 gate driver.
In this board, they are using a (2W, +15/-3, +93/-185mA) isolated DC-DC converter module which is the R12P21503D. And in the gate driver datasheet, it says:
11 A short-circuit source current (0 Ω...
Hi, i have a small 1.5kW wind turbine which i have hooked up to an turbine protection box. It converts 3 phase wild AC into DC with the addition of a dump load output for grid failures and over speeding.
The box is designed to stop the DC voltage of the turbine going above 600v, protecting the...
Hello All,
For example, this gate driver from Ti (UCC21520) can drive GaNFET, IGBT, and MOSFET. But can it drive SiC MOSFET?
Or maybe the IGBT Gate Driver (NCV57000) from onsemi, can it drive Si/SiC MOSFETs?
why not a generic gate driver that can drive all switching devices?
Thank you,
I am using a IR2101 gate driver circuitry to switch the high side IGBT ON (I do not want it to be periodic). Hence I found out that since I am not frequently switching the IGBT, the bootstrap circuitry doesnt not work since the capacitor cannot charge up.
I therefore found out 2 ways I can...
Is there such a thing as "If all the IGBTs are good, then all the SMD resistors, capacitors and zeners on the legs of the IGBTs are good" in the inverter welding machines?
That is, as long as at least one of the IGBTs does not explode, will the SMD elements underneath remain intact?
I have a boost converter circuit. its designed with IGBT . But I wanna use GaN transistor and simulate it .
But GaN Transistor has two gates . Do I have to use two gates or using one gate is enough ? How can it be its design with vpulse values and resistor?
I added photo of circuit, GaN...
For identical absolute max current and voltage ratings, which one is more reliable, IGBT or MOSFET?
For 600v, 20A for example, MOSFET is significantly cheaper than IGBT. I'm not sure if it is by chance, but if mosfet is truly cheaper for similar thermal and electrical characteristics, then is...
Hello everyone,
i found an appilcatin note to appyling IGBTs and there are Formulas to calculate turn-on/off switching Energy on IGBTs
my question is, how can i determine t1,t2,t3 and t4?
Thanks
Hello,
I'm designing a resistive load bank. Currently, I am designing the switch that will be controlled by a control signal via Arduino uno rev 3. The bidirectional switch is composed of two back-to-back igbts connected by their emitters with anti-parallel diodes. (Due to cost, there are two...
Hi. I'm trying to simulate this full-bridge single phase inverter for a project at school in PSpice.
As the main objective is picking the IGBT switches and making them work in a full converter, I am just using a simple pulse voltage source for the modulation. I made it work with the default...