Hi again, I've finalized my decision and I'll go for MOSFET H-bridge. I think this is now a good chance of learning about max usage of H-bridges. I've changed some parts and now its pretty running in my Proteus ISIS simulation. Sorry, I didn't have any formal education regarding MOSFETs. I just read this article and somehow it enlightened me.
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It improved my 1st design of MOSFET to a better one since I can see the dc motor in my simulation is now turning fast. I hope you can let me understand the essential things about constructing H-bridge by MOSFETs with P-channel and N-channel. Please do consider also Panasonic 6v 4Ah / 20h lead acid battery as my power source for my MOSFET H-bridge and Mabuchi RS-380PH motor for my load. I'll be driving the motors using PIC16F877A.
I used IRF4905 as P-channel and iRF3704 as N-channel. I designed my H-bridge by only using the available MOSFETs on ISIS and I only considered the max current it can handle. I also don't have any idea if these components are common that it is available on any local electronics market. I would love to know how to design efficiently so that there would be no wastes that would take place at the end.
I think this one is a good idea to use:
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But I don't know what to choose on VGS, RDS and so on. Can you help me again?