SLVSLL3
June 2026
TMUXHS4446-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
High-Speed Performance Parameters
5.7
Switching Characteristics
5.8
I2C Timing Characteristics
5.9
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
High-Speed Differential Signal Switching
6.3.2
Low-Speed SBU Signal Switching
6.3.3
GPIO and I2C Control Modes
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
1
Features
Passive bidirectional USB-C Alternate Mode Mux to switch between USB and DisplayPort signals
Supports USB 3.2 up to 10Gbps (Gen 2.0) and DisplayPort 2.1 up to 10Gbps per lane (UHBR10)
Compatible for Source/Host and Sink/Device applications
−3dB differential BW: 9.5GHz
Dynamic characteristics:
Insertion loss = −1.6dB at 5GHz
Return loss = −18dB at 5GHz
Supports common mode voltage (CMV) from 0V to 1.8V
Adaptive CMV tracking
6V tolerant SBU pins to survive short-to-VBUS events
Can be configured through GPIO pins or I
2
C
Supports both 1.8V and 3.3V I
2
C
Single supply voltage V
CC
: 3.3V
Active power consumption: 340μA
Low standby power consumption: 0.5μA (pin mode)
Extended Automotive temperature: −40°C to 125°C
Available in 3mm × 6mm QFN package