USB553xB USB 3.0 Hub Controllers
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
Microchips 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
USB (Universal Serial Bus) - Microchip
