USB5744T/2GX01

Controllers Overview

The USB5744T/2GX01 is a low-power, OEM-configurable USB 3.2 Gen 1 hub feature controller with four downstream ports. It supports SuperSpeed (5 Gbps), Hi-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed (1.5 Mbps) data rates. The device integrates an embedded 8051 microcontroller with 64 KB ROM, 8 KB RAM, and 8 KB OTP memory for firmware execution. It complies with the Universal Serial Bus Revision 3.2 Specification and USB-IF Battery Charging revision 1.2. The component operates within commercial (0°C to +70°C) and industrial (-40°C to +85°C) temperature ranges and is housed in a 56-pin VQFN package.

Controllers Feature Summary

• Integrated battery charging detection supporting USB-IF BC1.2 profiles including DCP, CDP, and SDP.
• On-chip microcontroller manages I/Os, VBUS, and signals via configurable SPI or SMBus interfaces.
• Advanced signal integrity features include PortSwap, PHYBoost, and VariSense for optimized performance.

Controllers Applications

• Standalone USB Hubs
• Laptop Docks
• PC Motherboards
• Multi-function USB 3.2 Gen 1 Peripherals

Controllers Procurement Notes

Verify the specific suffix '2GX01' against the manufacturer's official documentation to confirm exact ordering parameters. Ensure compatibility with required configuration straps and power supply voltages before integration. Confirm that the selected package meets thermal and mechanical requirements for the target application environment.

Controllers Selection Notes

Select this component for applications requiring a compact, low-power USB 3.2 Gen 1 hub solution with integrated control capabilities. Consider the availability of OTP and SPI programming options for custom OEM configurations. Evaluate the need for specific battery charging profiles and signal integrity enhancements when designing the system architecture.

Controllers Part Context

The USB5744 series represents Microchip Technology's smart hub controllers designed for embedded USB applications. These devices combine hub functionality with an on-chip microcontroller to reduce system complexity and bill of materials costs. The USB5744 specifically targets high-performance computing and peripheral expansion markets.

Controllers Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the USB5744 family. Verify functional equivalence regarding supported USB speeds, port counts, and configuration methods before substituting components.

Controllers FAQ

What are the supported data transfer rates?

The device supports 5 Gbps SuperSpeed, 480 Mbps Hi-Speed, 12 Mbps Full-Speed, and 1.5 Mbps Low-Speed operations.

How is the device configured?

Configuration can be performed using internal default settings, external SPI ROM, One-Time Programmable (OTP) ROM, or via the SMBus interface.

Does the device support battery charging?

Yes, it supports USB-IF Battery Charging revision 1.2, including Dedicated Charging Port (DCP), Charging Downstream Port (CDP), and Standard Downstream Port (SDP) profiles.