schematic request

nostress · 28th September 2009, 01:43 PM

Hello.

I am new to this forum.
I want to build an class D amplifier and not know where to start.
I was thinking of something with a specialized (IRS20957/IRS2092 which is better?) and final drivers (IR2110 / TC4420) for IRFB4227 mosfets.
Any sugestions?

Sorry for my english! Thanks a lot!

Ciprian

luka · 29th September 2009, 06:07 AM

depends on what you know and can do, IRS2092 should be probably the best to start with, also for fets you could use IRFP4227

Next could be the IRS20957, a bit harder, since you have to have PWM

Last would be true DIY, using IR2110 or driver like that, I liked my a lot, since you can change just about anything and very easy at that

But biggest problems you will have is make a good PCB, that's why youu should start with 2092, get its app. note an-1138, read it, understand it, it will teach you a lot

I am doing 2092, and hope it iwll work as I intended it to. PCB was done as it should be, read an-1138 for that

28th September 2009, 01:43 PM	#1
nostress diyAudio Member Join Date: Sep 2009	schematic request Hello. I am new to this forum. I want to build an class D amplifier and not know where to start. I was thinking of something with a specialized (IRS20957/IRS2092 which is better?) and final drivers (IR2110 / TC4420) for IRFB4227 mosfets. Any sugestions? Sorry for my english! Thanks a lot! Ciprian

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29th September 2009, 06:07 AM	#2
luka diyAudio Member Join Date: Sep 2005 Location: in Slovenia :)	depends on what you know and can do, IRS2092 should be probably the best to start with, also for fets you could use IRFP4227 Next could be the IRS20957, a bit harder, since you have to have PWM Last would be true DIY, using IR2110 or driver like that, I liked my a lot, since you can change just about anything and very easy at that But biggest problems you will have is make a good PCB, that's why youu should start with 2092, get its app. note an-1138, read it, understand it, it will teach you a lot I am doing 2092, and hope it iwll work as I intended it to. PCB was done as it should be, read an-1138 for that