UCD 25 watts to 1200 watts using 2 mosfets

[stewin]

hi andrew thanks for the quick reply pls post the pcb files for smps detex 3000 .

also how is the amp and how many voltage +/-? also what fets are you using for outputs.

 

[andrewlebon]

detex 3kw smps

how is the amp and how many voltage +/-? also what fets are you using for outputs.

Hi Steven
greetings i use FDA69N25 mosfets for my IRS3000 dc volts 95+/-
with FDA59N30 i use 125 dc volts +/- the dclass amp at side of detex smps has 6 pairs @ 90 volts dc its for .5 OHM LOAD
warm regards
andrew

 

[stewin]

wow @ +/-125 volts have you managed to drive a 1ohm load for more than 12hours .
-:does your amp have noise .
-:also pls post 3000 smps files .
-:what cores are you using?
congragulatios cool project

 

[stewin]

hi all cool link diysmps and very useful Calculation programs for transformers and inductors diysmps

 

[andrewlebon]

class d kit test

Testing my class d amp with my new speakers i made at home
warm regards
andrew

 

[andrewlebon]

https://www.youtube.com/watch?v=gE4b7V1sXtE

 

[tiomilo]

just ask ! don't wanna be greedy but it is possible add more parallel output mosfets to IR2110 ???

 

[loganati]

Hi all,please help me,how connect in stereo and bridge mode\not only bridge\, two irs900 module,enough to revers the fase in one channel input?

 

[loganati]

 

[stewin]

hi all any idea if this will work? Class-D amplifier for the subwoofer and not only on motives Iraudamp - Power Amplifiers Class D - Forum for Electronics

 

[kASD]

These are EMI infernos not Class-D amplifiers... Switching node directly lifted above the PCB to act as HF transmitter

 

[kirubakaran]

irs3000 probleam boostrap diode burn

hi to all,
greetings,
irs3000 boostrap diode brun after few minuts, i will change gate driver, diode inverter,comparator,inductor but no responce same problem what i do, any one can explain how to solve this problem

 

[pawan borkute]

hello sir check your PM

 

[stewin]

These are EMI infernos not Class-D amplifiers... Switching node directly lifted above the PCB to act as HF transmitter

how comes in his forum he has the measures an has made many pcbs with success?

 

[kASD]

how comes in his forum he has the measures an has made many pcbs with success?

A working class-D doesn't mean, its a success in EMI also. The type of PCB layout used in the above examples is terrible and can cause huge amount of EMI.

 

[stewin]

A working class-D doesn't mean, its a success in EMI also. The type of PCB layout used in the above examples is terrible and can cause huge amount of EMI.

hi kanwar pls share a simple working class d schematic with pcb layout.

 

[stewin]

hi workhorse i drafted the pcb based on this forum., is this layout o.k it is ucd .

 

[kASD]

You have made the layout as if its some class-AB amplifier with devices on each side. Try to learn why class-D demands different layout.

 

[stewin]

oops i will try another layout and post . thanks for the quick reply

 

[stewin]

just wondering are the below layouts up to the standard