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
USB (Universal Serial Bus) - Microchip
Attribute
Value
Number of Transceivers
1
Data Rate
5Gbit/s
IC Type
Controller IC
Protocols Supported
USB 2.0, USB 3.0
Power Supply Type
Single
ESD Protection
Yes
Typical Single Supply Voltage
1.25 V, 3.3 V
Mounting Type
Surface Mount
Package Type
QFN
Pin Count
72
Dimensions
10.1 x 10.1 x 0.95mm
Height
0.95mm
Length
10.1mm
Maximum Operating Temperature
+70 °C
Minimum Operating Temperature
0 °C
Width
10.1mm
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