Hi Home on ICE
Check out the DRV8312-69M-Kit.
The DRV8332 Driver / Protection IC will support sub50V up to 8A, where the DRV8312 is 3.5A
For more on TI's InstaSPIN technology, check out this link.
You will find that for higher power motors discrete component designs always work out cheaper. Be careful of the "integrated solution" maximum current ratings - motor startup, peak, and stall currents can be much higher.
The Other Tesla David Blaza5 comments I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...