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Class D Switching Power Amplifiers and Power D/A conversion

IRS2092 own design
IRS2092 own design
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Old 13th July 2013, 03:10 PM   #1
elektryk is offline elektryk
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Default IRS2092 own design

Hi.
Can anybody tell me whether it will work?
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Last edited by elektryk; 13th July 2013 at 08:19 PM.
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Old 13th July 2013, 03:56 PM   #2
odnaizutra is offline odnaizutra  Guyana
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hi,
this is a basic way to use ir2092.
No need to use high side external zener.
Double side pcb , using the other side as shielding would improve your Project and some smd 0.1 ceramic at switches from +B to _B as well.
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Old 13th July 2013, 06:42 PM   #3
elektryk is offline elektryk
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Good idea but high frequency device can work properly on this PCB? Routes are as short as possible, but I'm only hobbyist...

This inductor will be ok? DTMSS-16/0.022/8.0-V FERYSTER - Inductor: wire | Transfer Multisort Elektronik
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Old 13th July 2013, 11:32 PM   #4
nigelwright7557 is online now nigelwright7557  United Kingdom
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I cant see much decoupling.
The 2092 and the mosfets need decoupling closely.
The layout needs to be as tight as possible.
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Old 14th July 2013, 07:30 AM   #5
elektryk is offline elektryk
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2092 and mosfets need to be closer? (On IRAUDAMP7D they are a bit further.)
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Old 14th July 2013, 10:18 AM   #6
elektryk is offline elektryk
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New version. (Mistake on R23 route.)
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Old 17th July 2013, 03:54 PM   #7
odnaizutra is offline odnaizutra  Guyana
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Better now , but could be better if you move the coil and out cap to the place of electrolitics decouplers and place them nearer the MOSFETS.Try to make vs conection thicker .Keep in mind you have to place 0.1uF as close the MOSFETS you can.Place all the circuitry from pin 1 to 6 nearer 2092 to avoid pick emi .
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Old 15th October 2013, 03:39 PM   #8
elektryk is offline elektryk
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The most of parts arrived, if everything is ok, I will put it all together on this board and turn on...
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Old 15th October 2013, 08:36 PM   #9
elektryk is offline elektryk
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Soldering started.
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Old 16th October 2013, 05:46 PM   #10
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How compute resistors for OC protection with IRF640N?

Last edited by elektryk; 16th October 2013 at 05:58 PM.
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