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Product Detailed Parameters
- Description：IC REDRIVER USB TYPE C 40-WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Buffer, ReDriver
- Applications：USB
- Input：-
- Output：-
- Data Rate (Max)：8.1Gbps
- Number of Channels：2
- Delay Time：-
- Signal Conditioning：Input Equalization, Output De-Emphasis
- Voltage - Supply：3V ~ 3.6V
- Current - Supply：-
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：40-WFQFN Exposed Pad
- Supplier Device Package：40-WQFN (6x4)
- Capacitance - Input：10 pF
- Grade：-
- Qualification：-
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Overview
The TUSB546-DCIRNQT is a USB Type-C DisplayPort Alternate Mode linear redriver and crosspoint switch manufactured by Texas Instruments. It supports data rates up to 8.1 Gbps per lane, enabling high-bandwidth video transmission over USB Type-C cables. The device integrates four differential channels with programmable gain and equalization settings to compensate for signal loss in PCB traces and connectors. It operates within a temperature range of 0°C to 70°C and is housed in a compact 40-pin WQFN package (RNQR/RNQT suffixes). The component complies with USB Type-C and DP Alt Mode specifications, providing robust signal integrity for modern portable and desktop displays.
Feature Summary
- Integrates linear redriver and crosspoint switching capabilities for DisplayPort Alternate Mode signals
- Supports multi-lane configuration with independent channel control for flexible routing
- Includes programmable equalization and pre-emphasis to mitigate channel insertion loss
- Operates at standard USB Type-C supply voltages with low power consumption profiles
Applications
- Portable computers and ultrabooks requiring USB-C display output
- Docking stations and hubs expanding connectivity for laptops
- All-in-one desktop monitors with USB-C input ports
- Industrial HMI panels utilizing USB Type-C video interfaces
Procurement Notes
Verify the specific ordering suffix to confirm package type and tape-and-reel quantity. Ensure the procurement source provides original manufacturer documentation or authorized distributor certification. Check for RoHS compliance status and lead times directly from the supplier. Confirm that the part number matches the exact pinout and electrical characteristics required for the design.
Selection Notes
Select this component when designing systems requiring DisplayPort Alternate Mode support via USB Type-C connectors. Consider the 8.1 Gbps bandwidth limit relative to the target display resolution and refresh rate. Evaluate the PCB trace length and connector quality to determine if the built-in equalization is sufficient. Compare against alternative redrivers based on package size constraints and thermal performance requirements.
Part Context
This device belongs to the TUSB546 family of USB Type-C interface solutions. It complements controllers like the TUSB320 or TUSB1210 by handling signal conditioning rather than protocol negotiation. The DCI suffix indicates a specific commercial-grade variant. Related parts include the TUSB546A for extended temperature ranges or enhanced features. The RNQT suffix denotes a reel packaging option suitable for automated assembly processes.
