USB5734T/MR

Controllers Overview

The USB5734T/MR 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 memory. It features FlexConnect for port swapping, USB-to-I2C/UART/SPI/GPIO bridging, and Battery Charging Specification revision 1.2 support. Available in a 64-pin VQFN package, it operates within commercial (0°C to +70°C) and industrial (-40°C to +85°C) temperature ranges.

Controllers Feature Summary

• FlexConnect technology enables dynamic swapping between upstream host and downstream device ports.
• Integrated I/O bridge endpoint supports direct communication via I2C, UART, SPI, and GPIO interfaces.
• On-chip microcontroller manages power control, signal integrity, and peripheral configuration.
• Supports per-port battery charging detection compliant with USB-IF BC1.2 standards.

Controllers Applications

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

Controllers Procurement Notes

Verify the specific suffix 'MR' against the manufacturer's official documentation to confirm the exact temperature range and packaging specifications. Ensure that any ordering requirements align with the current datasheet version DS00001854H. Cross-reference the part number with authorized distributors to confirm availability and compliance with RoHS standards before finalizing procurement plans.

Controllers Selection Notes

Select this component when system design requires integrated hub functionality with advanced connectivity options like port swapping and non-USB bridging. Consider the 64-pin VQFN package dimensions for PCB layout constraints. Evaluate the need for industrial versus commercial temperature ratings based on the operating environment. Verify compatibility with existing host controllers and driver support for Windows, Linux, or macOS platforms.

Controllers Part Context

The USB5734 belongs to Microchip's USB3.0 Smart Hub family, designed to reduce system complexity by integrating microcontroller capabilities directly into the hub controller. This integration eliminates the need for external processors for basic hub management and configuration. The device builds upon previous generations of hub controllers, offering enhanced signal integrity features and flexible configuration options through straps or external memory.

Controllers Replacement Considerations

The USB5744 is a documented alternative within the same product family, featuring a smaller 56-pin package suitable for space-constrained applications. Both devices share similar functional capabilities but differ in physical footprint. Verify pinout compatibility and software configuration requirements when substituting one for the other.

Controllers FAQ

How does FlexConnect function on the USB5734?

FlexConnect allows a downstream port to be reconfigured as the upstream port via hardware straps or software commands. This enables master-capable devices connected to the hub to act as hosts for other devices on the hub.

What configuration methods are supported for the USB5734?

The device supports configuration via predefined hardware straps at power-on reset, internal One-Time Programmable (OTP) memory, or external SPI ROM. Advanced configurations can also be managed via SMBus or UART interfaces.

Does the USB5734 support battery charging protocols?

Yes, the USB5734 supports USB-IF Battery Charging Specification revision 1.2, including Dedicated Charging Port (DCP), Charging Downstream Port (CDP), and Standard Downstream Port (SDP) profiles.