Infineon CYUSB3304-68LTXC, USB Controller, 4-Channel, USB 3.0, 3.3 V, 68-Pin QFN

HX3 USB 3.0 Controller from Cypress is USB-IF certified 4-port Hub controller.

Supports up to Four USB 3.0-Compliant DS ports
All ports support SS (5 Gbps), and are backward-compatible with HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps)
SS and USB 2.0 Link Power Management (LPM)
Dedicated Hi-Speed Transaction Translators (Multi-TT)
LED status indicators – suspend, SS, and USB 2.0 operation
Shared Link™ for Embedded Applications
Each DS port can simultaneously connect to an embedded SS device and a removable USB 2.0 device
Enables up to eight device connections
Enhanced Battery Charging
Each DS port complies with the USB Battery Charging v1.2 (BC v1.2) specification
Ghost Charge™: Each DS port can emulate a Dedicated Charging Port (DCP) when the host is not connected to the US port
Accessory Charger Adapter Dock (ACA-Dock): Enables charging and simultaneous data transfer for a smart phone or a tablet acting as a host compliant to BC v1.2
Apple charging supported on all DS ports
Integrated ARM® Cortex™-M0 CPU
16 KB RAM, 32 KB ROM
Industrial temperature range (–40 °C to +85 °C)

USB (Universal Serial Bus), Cypress Semiconductor

USB is a cable bus supporting data exchange between a host computer and a wide range of simultaneously accessible peripherals. There is a differential signal data interface for transmit and receive communication path. The bus includes power at 5 Volts.