TS3USB31 High-Speed USB 2.0 (480-Mbps) 1-Port Switch With Single Enable | TI.com

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High-Speed USB 2.0 (480-Mbps) 1-Port Switch With Single Enable


Recommended alternative parts

  • TS3USB221A  - The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent.   The referenced device is an enhanced pinout option allowing flow through board layout.


The TS3USB31 is a 1:1 SPST high-bandwidth switch specially designed for the switching of high-speed USB 2.0 signals. This device comes in a small UQFN package for use in a handset or consumer applications, such as cell phones, digital cameras, and notebooks with hubs. The wide bandwidth (750 MHz) of this switch allows signals to pass with minimum edge and phase distortion. The switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. It is designed for low bit-to-bit skew and high channel-to-channel noise isolation, and is compatible with various standards, such as high-speed USB 2.0 (480 Mbps).


  • VCC Operation at 3 V and 4.3 V
  • 1.8-V Compatible Control-Pin Inputs
  • IOFF Supports Partial Power-Down Mode Operation
  • ron = 10 Ω Maximum
  • Δron <0.35 Ω Typical
  • Cio(ON) = 6 pF Typical
  • Low Power Consumption (1 µA Maximum)
  • ESD Performance Tested Per JESD 22
    • 6000-V Human-Body Model
      (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
    • 250-V Machine Model (A115-A)
  • Wide –3-dB Bandwidth = 1220 MHz Typical
  • Packaged in 8-Pin TQFN (1.5 mm × 1.5 mm)


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Part number Order Device type Function USB speed (Mbps) Number of channels (#) VCC (Min) (V) VCC (Max) (V) Ron (Typ) (Ohms) Input/ouput voltage (Min) (V) Input/ouput voltage (Max) (V) ICC (Max) (uA) Bandwidth (MHz) ESD HBM (Typ) (kV) Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG)
TS3USB31 Order now Passive switch     USB2     480     2     3     4.3     6     0     4.3     1     1220     6     USB 2.0
Logic Controlled (Output Enabled)    
Catalog     -40 to 85     UQFN | 8     8UQFN: 2 mm2: 1.5 x 1.5 (UQFN | 8)