Sir Apex Could share pcb for D500 ,tanks a lots or only a proyect,not tested?
I can share pcb, but not tested.
Irvineyay ,the original IRS900 use IRFP250 and 100 ohm gate resistor?
yes gate resistor vary when other fets used
T68kv, sis favor can you post the diameter size of the toroid inductor and the wire gauge plus the no.of turns...?
I'll see if I can find similar size's on 2nd hand boards being sold in Raon area, I've been seeing a lot of boards with toroids in it, I can't DIY at the moment I just burned my pcb drill I might as well go parts hunting for the meantime.
Thanks!
^ OK! thanks,
My etched pcb for IRS900D (done manually), thanks Thien!
(Sorry, been using cellphone cam )
My etched pcb for IRS900D (done manually), thanks Thien!
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
(Sorry, been using cellphone cam )
are those with hi amperes needed ? iraud 9 uses 600ma to drive irfb4227 4 pairs.
The irs2092 will output 1.5 amps and I couldnt get it to drive 4 irfb4227 without the chip resetting. In fact it struggled with one pair.
To get it to work I had to add npn/pnp gate buffer BD243/BD244.
guys is it o.k to use tip41 and tip42 in the totem pole gate buffer ??
Try, 2SB772/2SD882 instead of BD139/140.
hi thienchay. have you built the irs900 pcb? seems that the pcb is different from the schematic at the cd4049 chip.I'm used IRFP460 , schottky Diode is better , and R gate i using 22 ohm
Sorry All , diode boostrap is FR207 or Diode has Vrrm >= Vcc .
And this is my last check .
the pinout for the cd4049 chip is messed up at your pcb and at the original pcb from detex. anyone have successfully built the irs900d?
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