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Product Detailed Parameters
- Description：IC REDRIVER USB 3.0 18X2QFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Buffer, ReDriver
- Applications：USB
- Input：-
- Output：-
- Data Rate (Max)：5Gbps
- Number of Channels：2
- Delay Time：-
- Signal Conditioning：Input Equalization, Output De-Emphasis
- Voltage - Supply：1.62V ~ 1.98V
- Current - Supply：100mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：18-XFQFN Exposed Pad
- Supplier Device Package：18-X2QFN (2.4x2)
- Capacitance - Input：-
- Grade：-
- Qualification：-
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Overview
The TUSB542RWQR is a USB interface integrated circuit manufactured by Texas Instruments, designed for high-speed data transmission. It functions as a 5-Gbps USB 3.1 Gen1 Type-C 2:1 mux and redriver. The device operates within a power supply voltage range of 1.62 V to 1.98 V, with a typical operating voltage of 1.8 V. It supports Super Speed (SS) data rates up to 5 Gb/s and features two ports. The component is housed in an X2QFN-18 package suitable for surface mount installation. It is rated for an operating temperature range from -40°C to +85°C and has a maximum operating current of 100 mA.
Feature Summary
- Supports 5-Gbps data transfer rates compliant with USB 3.1 Gen1 standards
- Integrates 2:1 multiplexing and redriver capabilities for USB Type-C applications
- Operates on a low-voltage 1.8 V power supply with defined minimum and maximum limits
Applications
- USB Type-C host or device port expansion
- Signal integrity restoration in high-speed USB 3.1 connections
- Multiplexing between multiple USB sources in compact electronic designs
Procurement Notes
Verify the specific suffix RWQR against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with the required 1.8 V supply rail and thermal management for the X2QFN-18 footprint. Confirm moisture sensitivity handling requirements during assembly to prevent damage.
Selection Notes
Select this component when a 5-Gbps data rate is sufficient for the application. It is appropriate for systems requiring USB Type-C 2:1 switching and signal regeneration. Verify that the system power budget accommodates the 100 mA operating current and that the PCB layout supports the X2QFN-18 package dimensions.
Part Context
This part belongs to the TUSB542 series of USB interface ICs from Texas Instruments. It is distinct from higher-speed variants like the TUSB544 or TUSB1042 which support different data rates and protocols. The RWQR suffix indicates the specific reel packaging configuration used for automated assembly processes.
Replacement Considerations
Direct substitutes may include other Texas Instruments USB redrivers with identical 5-Gbps specifications and pinout compatibility. Verify electrical parameters such as voltage range and operating temperature before substitution.
