IC Identification, pt. 3:

NXP Semiconductor PCAL6524 24-bit I/O expander

ON Semiconductor FPF3688UCX load switch

Vishay DG2730 2-port, 480 Mbps USB 2.0 DPDT analog switch

ON Semiconductor FAN48618BUC53X 1 A boost regulator

Richtek RT8010GQW 1 A step-down DC-DC converter

Texas Instruments boost converter (likely)

NXP Semiconductor NCX2200 comparator