Product details


Type Passive switch Function USB2, USB3 USB speed (Mbps) 5000 Number of channels (#) 3 Supply voltage (Max) (V) 3.6 Supply voltage (Min) (V) 3 Ron (Typ) (Ohms) 5 Input/ouput voltage (Min) (V) 0 Input/ouput voltage (Max) (V) 1.8 Configuration 1:2 SPDT Features USB 2.0, USB 3.0 Rating Catalog Operating temperature range (C) 0 to 70 ICC (Max) (uA) 3 ESD HBM (Typ) (kV) 2 Bandwidth (MHz) 10000 open-in-new Find other USB redrivers & multiplexers

Package | Pins | Size

WQFN (RUA) 42 32 mm² 9 x 3.5 open-in-new Find other USB redrivers & multiplexers


  • Ideal for USB Applications
    • Signal Switch for USB 3.0 (SuperSpeed USB
      and USB 2.0 HS/FS/LS)
  • Three Bidirectional Differential Pair Channel
    MUX/DEMUX Switches Also Suitable for
    DisplayPort, PCIe Gen1/2/3, SATA 1.5/3/6G, SAS
    1.5/3/6G and XAUI Applications
  • Supports Data Rates up to 10 Gbps on High-
    Bandwidth Path (SS)
  • VCC Operating Range 3.3 V ± 10%
  • Wide –3-dB Differential BW of More Than 10 GHz
    on High-Bandwidth Path (SS)
  • Uses a Unique Adaptation Method to Maintain a
    Constant Channel Impedance Over the Supported
    Common-Mode Voltage Range
  • Excellent High-bandwidth Path Dynamic
    Characteristics (at 2.5 GHz)
    • Crosstalk = –35 dB
    • Isolation = –23 dB
    • Insertion Loss = –1.1 dB
    • Return Loss = –11 dB
  • Small 3.5 mm × 9 mm, 42-Pin WQFN Package
  • Active Mode Power = 8 mW
open-in-new Find other USB redrivers & multiplexers


The HD3SS6126 device is a high-speed, passive switch that is designed for USB applications to route both SuperSpeed USB RX and TX and USB 2.0 DP and DM signals from a source to two destinations or vice versa. The device can also be used for DisplayPort, PCI-Express, SATA, SAS, and XAUI applications. The HD3SS6126 device can be used in either sink-side or source-side applications.

open-in-new Find other USB redrivers & multiplexers
Similar products you might be interested in
Similar but not functionally equivalent to the compared device:
HD3SS3412 ACTIVE 3.3V, PCI Express 3.0, USB 3.1 4-Channel Analog Differential Switch HD3SS3412 & HD3SS3415 are high speed switches that can be used to switch USB 3. HD3SS6126 switches both USB 3 and USB 2.0
HD3SS3415 ACTIVE 3.3V, PCI Express 3.0, USB 3.1 4-Channel Analog Differential Switch HD3SS3412 & HD3SS3415 are high speed switches that can be used to switch USB 3. HD3SS6126 switches both USB 3 and USB 2.0

Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 3
Type Title Date
* Datasheet HD3SS6126 USB 3.0 and USB 2.0 Differential Switch 2:1/1:2 MUX/DEMUX datasheet (Rev. A) Aug. 31, 2015
Application notes High-Speed Interface Layout Guidelines (Rev. H) Oct. 11, 2018
User guides HD3SS6126EVM Device Reference Design Oct. 17, 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide

This evaluation module (EVM) features the HD3SS6126 2:1 and 1:2 mux and demux, high-speed switch typically used for switching USB 2.0 and USB 3.0 signals.  The EVM can also be used for PCIe (Gen1,Gen2), SATA, XAUI and DP signal routing between two destinations.

The HD3SS6126EVM lets (...)

  • Powered by VBUS from USB Host
  • Select USB2.0 independently from USB3.0
  • Select from two USB 2.0 and USB 3.0 hosts with one USB device for this EVM
  • Compatible with the our modular EVM system

Design tools & simulation

SLAC639A.ZIP (365 KB) - S-Parameter Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

CAD/CAE symbols

Package Pins Download
WQFN (RUA) 42 View options

Ordering & quality

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​


Related videos