TUSB501DRFR USB 3.0 Redriver IC Equivalent & Substitute Parts

Part Overview

The TUSB501DRFR is an active buffer and redriver integrated circuit designed for USB 3.0 signal conditioning applications. Manufactured by Texas Instruments, this single-channel device operates at 5Gbps and provides input equalization and output de-emphasis functionality. The part is currently in active production status with 18,550 units in stock. Equivalent and substitute parts are identified when they maintain identical electrical performance parameters, mechanical compatibility, and functional specifications within the same product category.

Key Parameters

Parameter	Value
Manufacturer Part Number	TUSB501DRFR
Manufacturer	Texas Instruments
Category	Interface
Type	Buffer, ReDriver
Applications	USB 3.0
Data Rate (Max)	5Gbps
Number of Channels	1
Delay Time	290ps
Signal Conditioning	Input Equalization, Output De-Emphasis
Capacitance - Input	1.25 pF
Voltage - Supply	3V ~ 3.6V
Current - Supply	43.8mA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-WFDFN Exposed Pad
Supplier Device Package	8-WSON (2x2)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the TUSB501DRFR are identified based on strict parametric equivalence across the following critical criteria:

Electrical Performance Parameters:

Data rate capability: 5Gbps maximum
Single channel configuration
Signal conditioning: Input equalization and output de-emphasis
Delay time: 290ps
Input capacitance: 1.25 pF
Supply voltage range: 3V ~ 3.6V
Supply current: 43.8mA

Mechanical & Physical Parameters:

Package type: 8-WFDFN Exposed Pad
Supplier device package: 8-WSON (2x2)
Mounting type: Surface Mount
Moisture sensitivity level: 2 (1 Year)

Compliance & Status Parameters:

RoHS3 compliance
Active product status
Operating temperature range: -40°C ~ 85°C

Substitutes must match all electrical performance parameters and mechanical specifications. Variations in grade designation or automotive qualification do not affect functional equivalence for standard industrial applications.

Parameter Comparison

Parameter	TUSB501DRFR	TUSB501TDRFRQ1
Manufacturer	Texas Instruments	Texas Instruments
Type	Buffer, ReDriver	Buffer, ReDriver
Applications	USB 3.0	USB 3.0
Data Rate (Max)	5Gbps	5Gbps
Number of Channels	1	1
Delay Time	290ps	290ps
Signal Conditioning	Input Equalization, Output De-Emphasis	Input Equalization, Output De-Emphasis
Capacitance - Input	1.25 pF	1.25 pF
Voltage - Supply	3V ~ 3.6V	3V ~ 3.6V
Current - Supply	43.8mA	43.8mA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	8-WFDFN Exposed Pad	8-WFDFN Exposed Pad
Supplier Device Package	8-WSON (2x2)	8-WSON (2x2)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)
Product Status	Active	Active
Grade	Standard	Automotive
Qualification	—	AEC-Q100

Engineering Selection Recommendations

The TUSB501TDRFRQ1 is a parametric equivalent to the TUSB501DRFR with identical electrical and mechanical specifications. The primary distinction is the automotive grade designation and AEC-Q100 qualification of the TUSB501TDRFRQ1, which indicates compliance with automotive industry reliability standards.

For standard industrial and consumer applications, both parts are functionally interchangeable. Selection between the two should be based on application requirements: the TUSB501DRFR is suitable for general-purpose USB 3.0 interface applications, while the TUSB501TDRFRQ1 is specified for automotive and mission-critical environments where AEC-Q100 qualification is required.

Both parts maintain active production status, ROHS3 compliance, and identical supply chain availability. Inventory levels are comparable, with 18,550 units of TUSB501DRFR and 18,567 units of TUSB501TDRFRQ1 currently in stock.

Frequently Asked Questions (FAQ)

Q: Can TUSB501TDRFRQ1 be used as a direct replacement for TUSB501DRFR?

A: Yes. The TUSB501TDRFRQ1 is electrically and mechanically equivalent to the TUSB501DRFR. All critical parameters including data rate, delay time, signal conditioning, supply voltage, current consumption, and package specifications are identical. The automotive grade and AEC-Q100 qualification of the TUSB501TDRFRQ1 represent additional certifications that do not affect functional compatibility.

Q: What is the difference between TUSB501DRFR and TUSB501TDRFRQ1?

A: The TUSB501TDRFRQ1 carries automotive grade designation and AEC-Q100 qualification, indicating compliance with automotive industry reliability and quality standards. The TUSB501DRFR is the standard industrial version. Electrical performance, signal conditioning, and mechanical specifications are identical between the two parts.

Q: Are both parts available in the same package?

A: Yes. Both TUSB501DRFR and TUSB501TDRFRQ1 are supplied in 8-WSON (2x2) packages with 8-WFDFN Exposed Pad configuration. Surface mount mounting type and moisture sensitivity level are identical.

Q: What applications are these parts suitable for?

A: Both parts are designed for USB 3.0 interface applications requiring single-channel signal conditioning with 5Gbps data rate capability. The input equalization and output de-emphasis functionality supports signal integrity in high-speed digital communication systems.

Q: What is the operating temperature range?

A: Both parts operate across -40°C to 85°C, suitable for industrial and commercial temperature environments.

Q: Are these parts RoHS compliant?

A: Yes. Both TUSB501DRFR and TUSB501TDRFRQ1 are ROHS3 compliant and REACH unaffected.

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