USB5734T/MRD02

Controllers Overview

The USB5734T/MRD02 is a high-speed USB 3.1 Gen 1 smart hub controller manufactured by Microchip Technology. It integrates a 4-port hub with built-in bridging capabilities for non-USB peripherals, including I2C, SPI, and UART interfaces. The device supports Super Speed (5 Gbps), High Speed (480 Mbps), Full Speed (12 Mbps), and Low Speed (1.5 Mbps) data transfers. It features integrated port power controllers capable of managing up to 45W DC power delivery per port. The component includes an embedded microcontroller unit (MCU) to reduce software complexity and bill of materials costs, facilitating easy integration into systems requiring USB Type-C connectivity and peripheral expansion.

Controllers Feature Summary

• Integrates a 4-port USB 3.1 Gen 1 hub with embedded MCU for simplified control
• Provides non-USB bridging ports for industry-standard I2C, SPI, and UART peripherals
• Supports USB Type-C interface with downstream cable orientation indication via LEDs
• Includes integrated port power controllers supporting up to 45W DC power delivery

Controllers Applications

• Smart hub designs utilizing USB Type-C connectors
• Systems requiring expansion to I2C, SPI, or UART peripherals via USB host
• Embedded applications needing reduced BOM cost and software complexity
• Development boards demonstrating USB 3.1 Gen 1 hub functionality

Controllers Procurement Notes

Verify the specific suffix RD02 against official Microchip documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required operating temperatures and voltage levels before procurement. Confirm availability status directly with authorized distributors as supply chain conditions may vary.

Controllers Selection Notes

Select this component when a 4-port USB 3.1 Gen 1 hub with integrated protocol bridging is required. It is suitable for designs aiming to minimize external controller dependencies by leveraging the built-in MCU. Consider its power delivery capabilities if downstream ports require significant current management. Verify that the target application benefits from the reduction in software complexity provided by the integrated solution.

Controllers Part Context

The USB5734 series represents Microchip's approach to smart hubs, combining traditional hub functionality with peripheral bridging. This family aims to simplify system architecture by integrating an MCU, thereby reducing the need for separate host processors for hub management. The USB5734T/MRD02 is part of this lineup, offering enhanced connectivity options beyond standard USB data transfer.

Controllers FAQ

What non-USB interfaces does the USB5734 support?

The USB5734 provides bridging ports for industry-standard I2C, SPI, and UART peripherals, allowing them to appear as COM ports or other native interfaces to the host.

Does the USB5734 support USB Type-C?

Yes, the USB5734 is designed to work with USB Type-C connectors and includes features such as LED indicators to show downstream cable orientation.

What is the maximum power delivery supported per port?

The integrated port power controllers support up to 45W of DC power delivery per port.