USB powered, MOSFET H-Bridge audio amplifier?!?
Not sure exactly which forum this should be in.....
I'm looking to build a USB powered, 2.5W amplifier...
PAM8403 based, and their brethren are not an option given the cost and the location of use (exchange rate, currency restrictions)
So I'm left with re-inventing the wheel :(
I came across this Give me a 5w or 10w amplifier circuit
Would this be a good idea to implement by itself, or would it require an opamp input buffer?!?
The thought of a MOSFET H-Bridge crossed my mind, but I lack the know how for pulling off such a design...
Would someone guide me in the right direction?!?
Thanks for reading
TDA7052 is an analogue bridged circuit based on the original circuit in your link. You will need 2 for stereo.
Using mosfets with limited supply is pointless and wasteful unless using a switching type amplifer....
I was hoping to get around 2W.... I'll source TDA7052 and see how that works out.....
In the meantime, I think I'll build the H-Bridge just for the heck of it...
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