USB Type-C High-Performance Crossbar Switch IC

Overview

CBTL08GP053 is an USB Type-C High Performance Crossbar Switch IC meant to be used for Type-C connector interface high speed passive switching applications. It provides switching of high speed differential signals that correspond to various interface standards: USB3.1 (10 Gbps), DP1.3 (8.1 Gbps), PCI Express 3.0 (8 Gbps), etc. It supports switching of single ended signals over Type-C interface. In addition, side band switching of AUX and other dedicated signals for transport over SBU1 and SBU2.

It provides the I²C-bus interface for switch control, configuration and status update. It operates from a single platform power supply V_DD.

This IC is targeted for a wide range of platforms (PCs, Tablets, Convertibles, Smart phones) and PC Accessories (e.g. Docks, Monitors, etc.) applications.

CBTL08GP053 is available in a small footprint package option: VFBGA40 4.75 mm x 3.25 mm, 0.5 mm pitch.

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Features

High speed switch features

Supports the following interface standards: USB3.1, DP1.3, DP++, PCIe 3.0
Supports signaling rates up to 10 Gbps
Performs Multiplexing or Switching of High speed differential signals or Single ended signals
All switches are direction agnostic
Design based on both Patented and Patent pending High performance Switch technology
Target performance specification
- Differential signaling (peak to peak) of 1.4 V and common mode level over 0 V to 2.2 V
- 1.8 V single ended rail to rail signaling
- R_on: 7 Ω (typ)
- Insertion loss: 1.2 dB at 2.7 GHz, 1.8 dB at 5.4 GHz, 3 dB at 8.5 GHz (typ)
- Isolation: 23 dB at 2.7 GHz, 16.5 dB at 5.4 GHz (typ)
- Cross talk: 32 dB at 2.7 GHz, 24 dB at 5.4 GHz (typ)
- Return loss: 20 dB at 2.7 GHz, 16 dB at 5.4 GHz (typ)

Very low intra pair skew
Very low propagation delay (80 ps typical) and inter pair skew (35 ps typical)
Switch paths selectable through the I2C-bus interface (registers for atomic and sequential switch selection)

Sideband auxiliary crossbar switch features

Single ended 2:1 multiplexing/switching with single ended cross bar switching of both differential AUX or single ended UART or I²C or miscellaneous signals
Switches are direction agnostic
Switches are 5.5 V tolerant
Target performance specification (typical values)
- R_on 8 Ω (typ) at V_cm = 0.5 V to 2.65 V

Very low intra pair skew
Very low propagation delay (80 ps typical)
Switch paths selectable through the I²C-bus interface (registers for atomic and sequential switch selection)

General

Supports I²C target interface Standard mode (100 kbit/s) and Fast mode (400 kbit/s)
I²C Target address programmable up to 4 values
Back current protection on Control pins and exposed connector side I/O pins
Single 3.3 V power supply
Current consumption
- Active mode (all switches are functional): 300 μA (typ)
- Standby mode (all switches in Hi-Z): 15 μA (max)

Operating temperature: -40 °C to 105 °C
ESD 2 kV HBM, 500 V CDM
Package: VFBGA40 4.75 mm x 3.25 mm, 0.5 mm pitch

Target Applications

PC platforms: Notebook PCs, Desktop PCs, Ultrabooks
Tablets, 2:1 Convertibles, Smartphones and Portable devices
PC accessories/peripherals: Multi-Function Monitors, etc.

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Features

High speed switch features

Supports the following interface standards: USB3.1, DP1.3, DP++, PCIe 3.0
Supports signaling rates up to 10 Gbps
Performs Multiplexing or Switching of High speed differential signals or Single ended signals
All switches are direction agnostic
Design based on both Patented and Patent pending High performance Switch technology
Target performance specification
- Differential signaling (peak to peak) of 1.4 V and common mode level over 0 V to 2.2 V
- 1.8 V single ended rail to rail signaling
- R_on: 7 Ω (typ)
- Insertion loss: 1.2 dB at 2.7 GHz, 1.8 dB at 5.4 GHz, 3 dB at 8.5 GHz (typ)
- Isolation: 23 dB at 2.7 GHz, 16.5 dB at 5.4 GHz (typ)
- Cross talk: 32 dB at 2.7 GHz, 24 dB at 5.4 GHz (typ)
- Return loss: 20 dB at 2.7 GHz, 16 dB at 5.4 GHz (typ)

Very low intra pair skew
Very low propagation delay (80 ps typical) and inter pair skew (35 ps typical)
Switch paths selectable through the I2C-bus interface (registers for atomic and sequential switch selection)

Sideband auxiliary crossbar switch features

Single ended 2:1 multiplexing/switching with single ended cross bar switching of both differential AUX or single ended UART or I²C or miscellaneous signals
Switches are direction agnostic
Switches are 5.5 V tolerant
Target performance specification (typical values)
- R_on 8 Ω (typ) at V_cm = 0.5 V to 2.65 V

Very low intra pair skew
Very low propagation delay (80 ps typical)
Switch paths selectable through the I²C-bus interface (registers for atomic and sequential switch selection)

General

Supports I²C target interface Standard mode (100 kbit/s) and Fast mode (400 kbit/s)
I²C Target address programmable up to 4 values
Back current protection on Control pins and exposed connector side I/O pins
Single 3.3 V power supply
Current consumption
- Active mode (all switches are functional): 300 μA (typ)
- Standby mode (all switches in Hi-Z): 15 μA (max)

Operating temperature: -40 °C to 105 °C
ESD 2 kV HBM, 500 V CDM
Package: VFBGA40 4.75 mm x 3.25 mm, 0.5 mm pitch