IC Identifications, continued:

STMicroelectronics STTS751 digital temperature sensor

Goodix (formerly NXP Semiconductor) TFA9890A class-D audio amplifier

Texas Instruments INA3221 13-bit current/voltage monitor

Richtek RT8813A multiphase PWM controller

Richtek RT6575D 2-ch. synchronous DC-DC step-down controller

Richtek RT8171C single-phase controller for Intel CPU

Richtek RT8231B DDR memory power supply