SMSC launched the USB553x family of USB 3.0 hub controllers, consisting of 7-port and 4-port offerings.
Dubbed the USB5537 and USB5534, these SuperSpeed USB hubs are well-suited for USB port expansion in docking stations, port replicators, all-in-one monitors, as well as peripheral hubs for use with ultra-mobile PCs, tablets and notebooks that are outfitted with SuperSpeed USB host connectivity.
USB 3.0 compliant 5 Gbps, 480 Mbps, 12 Mbps and 1.5 Mbps operation, USB pins are 5 V tolerant
Four downstream USB 3.0 ports (which also support USB 2.0)
Three additional USB 2.0 ports for non-removable devices (USB5537 only)
Optimized for low-power operation and low thermal dissipation
Configuration via OTP ROM, SPI ROM, or SMBus
On-chip 8051 µC manages GPIOs, VBUS, and other hub signals
8 K RAM, 32 K ROM
Power Management capability on the GPIO/LED pins
One Time programmable (OTP) ROM: 8 kbit
Includes on-chip charge pump
Values written via JTAG
Single 25 MHz XTAL or clock input for all on-chip PLL and clocking requirements
Supports JTAG boundary scan
Supports USB 2.0 Link Power Management
PHYBoost (USB 2.0)
Selectable drive strength for improved signal integrity
VariSense (USB 2.0)
Controls the receiver sensitivity enabling four programmable levels of USB signal receive sensitivity
IETF RFC 4122 compliant 128-bit UUID
Supports Battery Charging (BC1.2) and Apple® Charging
Minimized Bill of Material (BOM)
Optimized for 2-layer PCB implementation
Pricing and availability: Samples are available today and range in price from $3.30 (commercial grade) to $4.45 (industrial grade) per unit. Pricing is based on 1K quantities.
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