UB300 UB400 U3100 U3200 for Macbook Pro Touch Bar 15" A1707 A1534 A1708 CD3215A CD3215C00ZQZR CD3215C00 CD3215COO CD3215 BGA
The Port Controller can be identified in schematics diagrams and board view files as CD3215A, U3100, & U3200.
USB-C Port Controller IC
The USB-C Port Controller chip ensures the power adapter is supplying the proper voltage and helps route the different protocols that can be sent via USB-C.