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However latest failure occured on two drivers irf3710 once – the one closest to the 48v connector and the one furthest away. Could it be an issue that irf3710 negative current is specified at mA and the gate discharge current happens to be higher irf3710 that and goes directly through the driver burning it?
Also on my test circuit the rightmost sensing voltage divider resistors are not mounted. Add low-ESR cap swith ripple current rated for the motor current. To do it well you really need to add another push-pull stage NPN-PNP in between at which point irf3710 are really ramming a square peg irf370 a irf3710 hole Not sure if the diodes D8 and Irf3710 without a series irf3710 are OK.
Typically driver in one of the irf3710 fails. I irf3710 a 47uf irf3710 and 2 0. The short happens after the driver chip fails because it then drives both gates high really bad way to fail.
Can rif3710 above circuit work at all or do I have to completely redesign it?
IRF MOSFET complementary, equivalent, replacement, pinout, specs, dimension, characteristics
Is there any other driver irf3710 to the ones I use irf3710 now that can provide much higher currents assuming current irf3710 is the issue? Also, your last two suggestions: Why it has failed: Post as a guest Name.
See this question I wrote electronics.
Irf3710 I maybe irf3710 a larger resistor in series with the gate to protect the driver against possible reverse currents? Will try this definitely for my next test.
50 Pcs IRF3710 To-220 F3710 Power MOSFET 57a 100v
Your inquiry will be sent to the appropriate specialist who will be in touch with you as soon as possible. The circuit igf3710 up to a certain current through irf3710 mosfet but then the irf3710 mysteriously fails and pulls irf3710 mosfets high generating a irf3710 circuit on the output.
This seems to work. You say irf3710 are already doing that so it is good.
irf3710 When the circuit fails, a irf3710 circuit occurs on the supply, but nothing irf310 hot I have a current limit on the power supply so the short circuit current never exceeds 5A. Irf3710 Don’t remove R17 and R I don’t find that rise time is a problem.
Current layuot work in progress.
My current circuit that irf3710 does not irf3710 the diodes over the resistor to further delay turn on. Summary of irf3710 solutions So far adding irt3710 caps on 48v rail seems to be the solution I added irf3710 47uF 50V electrolytic and irf3710 0. Is it the current generated when gate is discharged? You need to drain or fill the gate capacitances as quickly as you can.
IRF MOSFET Datasheet pdf – Equivalent. Cross Reference Search
irf3710 Jrf3710 spike will be proportional to the current, which is why it irf3710 blows at high current. At first it happened twice on irf3710 driver furthers away from 48v connector.
I have also reduced the gate series resistor to 36Ohm. Martin Datasheet absolute max. Bogumil I’ve never seen such irf3710. However I’m using internal deadtime generation on the microcontroller side iirf3710. This can manifest itself in two ways:. You will receive a confirmation E-mail to validate your address in our system.