USB5744T-I/2GTB

Controllers Overview

The USB5744T-I/2GTB 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) operations. The device integrates an embedded 8051 microcontroller with 64 KB ROM, 8 KB RAM, and 8 KB OTP. It features PortSwap, PHYBoost, and VariSense for signal integrity optimization. Configuration is supported via SPI ROM, OTP, or SMBus. It operates in commercial (0°C to +70°C) and industrial (-40°C to +85°C) temperature ranges within a 56-pin VQFN package.

Controllers Feature Summary

• Integrated 8051 microcontroller manages I/Os, VBUS, and signals with configurable firmware.
• Supports USB-IF Battery Charging revision 1.2 profiles including DCP, CDP, and SDP.
• Includes PortSwap for differential pair alignment, PHYBoost for drive strength, and VariSense for receiver sensitivity.

Controllers Applications

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

Controllers Procurement Notes

Verify the specific suffix 'I/2GTB' against the official Microchip datasheet DS00001855J to confirm temperature grade and packaging details. Ensure the ordering information matches the manufacturer's current product release notes. Confirm that the component meets RoHS compliance requirements as specified in the documentation.

Controllers Selection Notes

Select this component for applications requiring USB 3.2 Gen 1 connectivity with integrated control logic. Consider the 56-pin VQFN package for space-constrained designs. Evaluate the need for external configuration memory if custom firmware is required beyond OTP capabilities. Verify power supply requirements for VDD33 and VDD12 rails.

Controllers Part Context

The USB5744 series includes variants like the USB5742 (2-port) and USB5744 (4-port). These devices are designed for embedded USB applications, offering advanced features such as FlexConnect technology in related models. The USB5744 specifically targets high-performance hubs with integrated processing capabilities.

Controllers Replacement Considerations

The USB5742B/2G is a 2-port variant within the same family. Direct pin-to-pin replacements should be verified against the datasheet. No other specific substitute part numbers are confirmed in the provided documentation.