TUSB501DRFR

Overview

The TUSB501DRFR is a single-channel USB 3.0 redriver manufactured by Texas Instruments, designed to extend signal reach in high-speed serial links. It operates within a supply voltage range of 3V to 3.6V and draws a typical supply current of 43.8mA. The device supports data rates up to 5Gbps with an input capacitance of 1.25 pF and a propagation delay of 290ps. It features integrated input equalization and output de-emphasis for signal integrity optimization. The component is housed in an 8-WSON (2x2) package with exposed pad, suitable for surface-mount installation across an operating temperature range of -40°C to 85°C.

Feature Summary

• Provides active signal regeneration for USB 3.0 SuperSpeed differential pairs to compensate for channel loss.
• Integrates adaptive input equalization and programmable output de-emphasis to optimize eye diagrams.
• Supports low-power operation with automatic sleep mode entry during link idle states.

Applications

• Extending USB 3.0 cable lengths beyond standard limitations in docking stations.
• Signal buffering in mobile devices and ultrabooks with internal USB connectivity.
• Industrial control systems requiring reliable USB 3.0 communication over PCB traces.

Procurement Notes

Verify the specific ordering suffix DRFR confirms the tape-and-reel packaging format required for automated assembly processes. Confirm that the manufacturer part number matches the exact pinout and electrical specifications needed for the target design. Check for any recent product change notices regarding material or assembly location updates.

Selection Notes

Select this component when a single-channel solution is sufficient for extending USB 3.0 signals without requiring multiple lanes. Ensure the system power budget accommodates the 43.8mA supply current requirement. Verify that the 8-WSON package dimensions fit within the available board space constraints compared to larger QFN alternatives.

Part Context

This device belongs to the TUSB501 family of USB 3.0 redrivers from Texas Instruments. It serves as a cost-effective alternative to more complex multi-lane repeaters for applications requiring only one SuperSpeed pair. The DRFR suffix specifically denotes the reel-based packaging variant intended for high-volume manufacturing environments.

Replacement Considerations

Publicly confirmed substitute part numbers include TUSB501TDRFRQ1. Verify compatibility regarding automotive qualification status and ensure pin-to-pin equivalence before substitution.

FAQ

What is the maximum data rate supported by the TUSB501DRFR?

The device supports data rates up to 5Gbps, which corresponds to the USB 3.0 SuperSpeed specification.

Does the TUSB501DRFR support USB Type-C connectors?

Yes, the device is compatible with USB Type-C interfaces and can be used in Type-C based designs to extend SuperSpeed signals.

How does the device handle signal degradation over long cables?

It utilizes input equalization and output de-emphasis to compensate for channel loss, thereby restoring signal integrity at the receiver end.