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BQ25887: High Current Applications

Part Number: BQ25887

All the schematics I see for this has the system it's embedded into using the battery via the SYS pin of the chip. Does this path provide high current ~40A?

I plan to embed this into a drone to provide onboard charging and balancing of 2 21700 series batteries. I'd rather not power the system through this chip. I'm assuming I can omit the use of the SYS pin and things will function normally (e.g, when I hook the drone up to change, it will). There won't be a situation in which I need to fly the drone and charge at the same time for obvious reasons. 

Any help would be appreciated!