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Product Detailed Parameters
- Description：10GBPS TYPEC DP ALT MODE REDRIVE
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：ReDriver
- Applications：USB
- Input：-
- Output：-
- Data Rate (Max)：10Gbps
- Number of Channels：-
- Delay Time：-
- Signal Conditioning：Input Equalization
- Voltage - Supply：3V ~ 3.6V
- Current - Supply：-
- Operating Temperature：-40°C ~ 85°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 TUSB1046AI-DCIRNQT is a USB Type-C DisplayPort Alternate Mode linear retimer and crosspoint switch manufactured by Texas Instruments. It supports USB 3.1 data rates up to 10 Gbps and provides four downstream DisplayPort 1.4 channels with data rates up to 8.1 Gbps. The device complies with USB Type-C Specification Revision 1.1, supporting Configuration C, D, E, and F roles. It operates within an industrial temperature range of -40°C to +85°C. The component includes multiple receiver linear equalization levels to mitigate inter-symbol distortion caused by cable or PCB trace losses.
Feature Summary
- Supports USB Type-C DP Alternate Mode for high-speed video and data transmission
- Integrates linear retimer functionality to compensate for signal loss in cables and traces
- Compatible with USB Type-C Specification Rev 1.1 configurations
Applications
- USB Type-C docking stations requiring DisplayPort output
- High-speed peripheral hubs with video capabilities
- Industrial computing systems needing robust signal integrity over long cables
Procurement Notes
Verify the specific suffix 'AI' confirms the industrial temperature grade (-40°C to +85°C) against the commercial variant (TUSB1046). Confirm the RNQT package designation matches the required reel quantity and tape specifications for automated assembly lines. Ensure the source document explicitly lists this exact part number to avoid confusion with similar retimers like the TUSB546A.
Selection Notes
Select this component when designing systems that require both USB 3.1 data connectivity and DisplayPort 1.4 video output through a single USB Type-C connector. The integrated retimer function makes it suitable for applications where passive copper cables exceed standard length limits or where PCB trace lengths introduce significant attenuation. Verify that the host controller supports the necessary alternate mode protocols.
Part Context
This device belongs to the TUSB1046 family of USB Type-C interface controllers. It serves as a bridge between USB Type-C sources and DisplayPort sinks, enabling multi-function connectivity. The AI suffix denotes the industrial temperature rating, distinguishing it from the commercial grade version which operates from 0°C to 70°C. It is designed to simplify board layout by integrating retiming and switching functions.
Replacement Considerations
Publicly confirmed direct substitutes are not available in the provided documentation. The TUSB1046-DCI is the commercial grade equivalent. Other Texas Instruments retimers such as the TUSB546A serve different protocol requirements and are not pin-compatible or functionally identical replacements.
