Infineon CY7C65632-28LTXC, USB Controller, USB 2.0, 3.3 V, 28-Pin QFN

HX2VL and HX2LP are High-Speed USB 2.0 Hub controllers available in 2-port and 4-port versions.
TetraHub is a high performance Multiple Transaction Translator USB 2.0 hub controller.

High performance, low-power USB 2.0 Hub, optimized for low cost designs with minimum Bill-of-material
USB 2.0 hub controller
Compliant with USB 2.0 specification, TID# 30000060
Up to four downstream ports support
Downstream ports are backward compatible with FS, LS
Single transaction translator (TT) for low cost
Very low power consumption
Supports bus-powered and self-powered modes
Auto switching between bus-powered and self-powered
Single MCU with 2K ROM and 64 byte RAM
Lowest power consumption
Highly integrated solution for reduced BOM cost
Internal regulator – single power supply 5 V required
Provision of connecting 3.3 V with external regulator
Integrated upstream pull-up resistor
Integrated pull-down resistors for all downstream ports
Integrated upstream/downstream termination resistors
Integrated port status indicator control
12 MHz +/– 500 ppm external crystal with drive level 600 μW (integrated PLL) clock input with optional 27/48 MHz oscillator clock input
Internal power failure detection for ESD recovery
Downstream port management
Support individual and ganged mode power management
Supports 0 °C to 70 °C temperature range

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.