You can check: CY7C65215
Refer to POWER# pin of this chip.
This is a Full Speed Device. POWER# can be assigned to any free GPIO using USB Serial Configuration Utility (Can be found after installing USB Serial SDK. Link: https://www.cypress.com/documentation/software-and-drivers/usb-serial-software-development-kit )
Please take a Development Kit which is available in the link: https://www.cypress.com/documentation/development-kitsboards/cyusbs236-usb-serial-dual-channel-development-kit for your testing.