Sinewave inverter prototype...

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will more simply do this with all new circuit (like #347) in contrast with remake #318 & #319 for ir2110 & 310V
 

sorry, no battery charging in this circuit. May be later i do something on the base of mcu controlled arc welding device.
 

Hi DeepOne:
stm8s103f3 (TSSOP20) can complete the DC12V-AC220V Sinewave (PWM+SPWM) design?
 

Hi, Bbyl5009.
I have no complete design with stm8s103f3 (TSSOP20). 310VDC/220AC project is not complete because high level of the hindrances from working H-bridge obstructs output voltage measurements and overcurrent protection.
I think i know how solve this problem, but at present time i have no time for this
 

what do you mean by not bad, as this would be a great achievement if it works satisfactorily..
 

I mean **3843 as mosfet driver is not worse than already mentioned scheme with three npn transistors and provide 5V supply for mcu and reliable current protection. And TL/UC/KA/etc 3843 is very cheap microcircuit.
 

I was wondering did you end up getting the circuit in #161 working properly I like the idea of all discrete components and only one IC ?

thanks
 

as i remember that scheme is work, in principle, but more suitable to use mildly garbled signal with trapezoidal forms than this resemblance of the bridge scheme.
 
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