But wait, there's even more chips on the back:

Toshiba TH58TFT0DFKLAVF 128 GB MLC NAND flash memory

Samsung K3QF4F40BM-AGCF 4 GB LPDDR3 SDRAM (x2, for a total of 8 GB)

Apple 338S00066 power management IC

Texas Instruments/Stellaris LM4FS1EH SMC controller (replacement codename for TM4EA231)

Microchip (formerly SMSC) EMC1704-2 temperature sensor

Texas Instruments SN650839 step down DC-DC converter (likely), TPS51980A PMIC, and CD3215B01 USB-C controller

Intersil ISL95828 Intel CPU PWM controller