Second Generation High-Performance General Purpose Switch

CBTL06GP213EE

The CBTL06GP213 is a six-channel (‘hex’) multiplexer for DisplayPort, HDMI and PCI Express applications at Generation 2 (‘Gen2’) speeds. It provides four differential channels capable of 1 : 2 switching or 2 : 1 multiplexing bidirectional, AC‑coupled PCI Express, DisplayPort signals, USB3 SuperSpeed or DC coupled TMDS signals, using high‑bandwidth pass‑gate technology. It provides support for high common‑mode/bias voltage on the high‑speed differential channels. Additionally, it provides for switching/multiplexing of the Hot Plug Detect signal as well as the AUX or DDC (Display Data Channel) signals, for a total of six channels on the display side. The AUX and DDC channels provide a four-position multiplexer such that an additional level of multiplexing can be accomplished when AUX and DDC I/Os are on separate pins of the display source device.

The CBTL06GP213 is designed for Gen2 speeds, supporting 5.0 Gbit/s for PCI Express, 5.4 Gbit/s for DisplayPort or 6 Gbit/s for HDMI 2.0. It consumes 490 μA current (typical) in operational mode and provides a shutdown function to support battery-powered applications.

typical application of CBTL06GP213 is on applications where one of two GPU display sources must be selected to connect to a display sink device or connector. A controller chip selects which path to use by setting a select signal HIGH or LOW. Due to the non-directional nature of the signal paths (which use high-bandwidth pass gate technology), the CBTL06GP213 can also be used in the reverse topology, for example, to connect one display source device to one of two display sink devices or connectors.

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Block Diagram

CBTL06GP213 Block Diagram

CBTL06GP213 Block Diagram
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Features

  • 1 : 2 switching or 2 : 1 multiplexing of DisplayPort (v1.2 - 5.4 Gbit/s) PCI Express (v2.0 - 5.0 Gbit/s) signals, USB3 SuperSpeed or HDMI 2.0 (6 Gbit/s) TMDS signals
    • 4 high-speed differential channels with 2 : 1 muxing/switching for DisplayPort or PCI Express or HDMI signals
    • 1 channel with 4 : 1 or 4 : 2 muxing/switching for AUX at 1 Mbit/s or DDC signals, USB2 signals
    • 1 channel with 2 : 1 muxing/switching for single-ended HPD signal
  • High-bandwidth analog pass-gate technology
  • Supports high-speed signal switching over a wide common-mode range and differential swing
  • RON on DP high-speed channels: 7 Ω
  • Low insertion loss:
    • -0.9 dB at 100 MHz
    • -1.1 dB at 1.35 GHz
    • -1.3 dB at 2.7 GHz
  • -3 dB bandwidth at 9.5 GHz
  • Low crosstalk: -32 dB at 2.7 GHz
  • Low off-state isolation: -23 dB at 2.7 GHz
  • Low return loss: -19 dB at 2.7 GHz
  • Very low intra-pair skew (5 ps typical)
  • Very low inter-pair skew (< 80 ps)
  • Switch/multiplexer position select CMOS input
  • Shutdown mode CMOS input
  • Supports backdrive protection
  • Single 3.3 V power supply
  • Operation current of 490 μA typical, shut-down current 10 μA maximum
  • ESD 2 kV HBM, 500 V CDM
  • Available in 5 mm x 5 mm, 0.5 mm ball pitch TFBGA50 package

Target Applications

  • Motherboard applications requiring DisplayPort, HDMI, PCI Express, and USB switching/multiplexing
  • Docking stations
  • Notebook computers
  • Chip sets requiring flexible allocation of PCI Express or DisplayPort I/O pins to board connectors

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