The TCK206G,LF from Toshiba Semiconductor and Storage is a 1:1 N-channel power switch/driver Integrated Circuit rated at 2 A, in a 4-WCSP (0.90x0.90) package.
The TCK2065G,LF from Toshiba Semiconductor and Storage is a P-channel power distribution switch Integrated Circuit with a 1:1 configuration in a WCSP6E package.