ABLIC Inc. IC REG CTRLR BUCK SOT23-5 S-8521B20MC-ATFT2G

The product is an S-8521B20MC-ATFT2G model. It is likely to be an electronic component or device, possibly a microcontroller or system-on-chip (SoC) due to its alphanumeric code and the inclusion of "TFT" which may indicate a display interface. However, more specific information such as manufacturer, specifications, features, and applications cannot be determined without further context.