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Solar Microinverter

Anand Lobo
Prodigy 140 points
Other Parts Discussed in Thread: SM72442, TMP103, SM73308, SM72295, ISO7242C, TPS5420

I am attempting to build a micro-inverter design to work with these panels: www.moserbaersolar.com/resources/MBVP-CAAP-BB-english.pdf

After looking at the  block diagram here: http://www.ti.com/solution/solar-micro-inverter-diagram .

I've settled on:

SM72442 MPPT controller
TMP103 for temperature sensing
SM73308 for PV panel current / voltage sensing (will this work on the inverter output too?)
SM72295 Bridge driver
ISO7242C for isolation
TPS5420 for Aux Bias Supply

What options are available for the DC-DC boost, DC-AC inverter and AC filter stages? The graphic doesn't list anything for those, and I'm sure someone here has a better idea than me which components would work best in this setup.

Are there better component options than the ones I've chosen?

Thank you for your help!

  • 0
    Prodigy 140 points

    No replies at all?


    I'm asking for help because I'm not exactly an expert at this stuff. I would prefer to get some guidance, or follow a working plan, and make something that works, rather than do it all by my lonesome from scratch and stand a very good chance of shorting everything out.