TPS53515: Please Recommond current 10A, 12v to 0.8v, chip size requirements, to be small, 3.5*3.5*

Part Number:TPS53515

Need power selection, current 10A, 12v to 0.8v, chip size requirements, to be small, 3.5*3.5*<2mm;
I chose the TPS54020, but the TPS54020 did not ship in large quantities. I found a lot of shipments of the TPS54620. This customer also knows that it has been used before, but the current is not enough.
Recommended TPS53515RVER 3.5mm × 4.5mm 28-pin quad flat no-lead (QFN) package, but the delivery date of TPS53515 is roughly 35W LT, customers feel that the delivery period is not good, not suitable;
Need to help find another, comprehensive performance satisfaction, size, delivery, price and other factors are satisfied;