Passing USB Power Delivery Compliance Test Specification (CTS) issued by USB-IF is required for all USB Power Delivery (PD) end-products. Programmable Power Supply (PPS) function can be validated based on Power Delivery Source Power Requirements Test document if required by customer. This application note shows some compliance test cases and QuandraMAX test practice based on TPS257xx-Q1 products. VIF configurations are also introduced.