The USB553xB range of devices from Microchip are USB 3.0 Hub Controller ICs available in 2, 3, 4 and 7 port variants. These devices support SuperSpeed, Hi-Speed, Full-Speed and Low Speed data transfer signalling.
Features
Two, three, or four downstream USB 3.0 ports (which also support USB 2.0) Three additional USB 2.0 ports for non-removable devices (USB5537B only) Low-power operation and low thermal dissipation On-chip 8051 microcontroller manages GPIOs, VBUS, and other hub signals Configuration via on-chip programmable ROM, SPI ROM or SMBus Manufacturing line and field update capabilities Power management capability on GPIO/LED pins One-Time Programmable (OTP) ROM (8 Kbit) including on-chip charge pump IETF RFC 4122 compliant 128-bit Universally Unique Identifier (UUID) Compatible with Microsoft® Windows® 8 and other major operating systems Microchip’s TrueSpeed LEDs (configuration dependent) Embedded 8051 microcontroller for hub configuration
Note
USB5537B 7-Port Model only; 4-ports support USB 3.0, the remaining 3-ports support USB 2.0 for non-removable devices
