Overview
The HD3SS3212-Q1 is a high-speed, bidirectional USB 3.2 multiplexer/demultiplexer (mux/demux) designed by Texas Instruments. This device is specifically tailored for USB Type-C applications, supporting data rates up to 10 Gbps. It is AEC-Q100 qualified, ensuring reliability in automotive and other harsh environments, and operates over a wide temperature range of -40°C to +105°C. The HD3SS3212-Q1 is a generic analog differential passive switch, suitable for various high-speed interface applications requiring a common mode voltage range of 0 V to 2 V and differential signaling with amplitudes up to 1800 mVpp.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (Supply Voltage) | 2.7 | 3.6 | V | |
| Vdiff (High-Speed Signal Pins Differential Voltage) | 0 | 1.8 | Vpp | |
| Vcm (High-Speed Signal Pins Common Mode Voltage) | 0 | 2 | V | |
| TA (Operating Free-Air/Ambient Temperature) | -40 | 105 | °C | |
| ICC (Device Active Current) | 0.5 | 0.8 | 1 | mA |
| ISTDN (Device Shutdown Current) | 0.005 | 1 | µA | |
| RON (Output ON Resistance) | 5 | 8 | Ω | |
| CON (Output ON Capacitance to GND) | 0.6 | pF | ||
| COFF (Output OFF Capacitance to GND) | 0.8 | pF |
Key Features
- High-speed bidirectional switching supporting up to 10 Gbps for USB 3.2 Gen 1 and Gen 2 data rates.
- AEC-Q100 qualified for automotive and harsh environment applications.
- Operates over a wide temperature range of -40°C to +105°C.
- Adaptive common mode tracking technology to ensure channel stability across the common mode voltage range.
- Low power consumption: less than 1.65 mW in active mode and less than 0.02 µW in shutdown mode.
- Single select input (SEL) pin for easy control via GPIO or microcontroller.
- Supports various high-speed data protocols including USB 3.2, DisplayPort 1.4, FPD-Link II, and FPD-Link III.
Applications
The HD3SS3212-Q1 is versatile and can be used in several high-speed interface applications. Key applications include:
- USB Type-C connectors to support flip ability and high-speed data transfer.
- DisplayPort 1.4 and other high-speed display interfaces.
- FPD-Link II and FPD-Link III switching for automotive and industrial displays.
- MIPI DSI/CSI-2 switching for mobile and embedded systems.
- Generic high-speed mux/demux applications requiring differential signaling.
Q & A
- What is the HD3SS3212-Q1 used for? The HD3SS3212-Q1 is a high-speed bidirectional USB 3.2 multiplexer/demultiplexer used for routing high-speed signals in USB Type-C and other high-speed interface applications.
- What are the supported data rates? The device supports data rates up to 10 Gbps for USB 3.2 Gen 1 and Gen 2.
- What is the operating temperature range of the HD3SS3212-Q1? The device operates over a temperature range of -40°C to +105°C.
- How much power does the HD3SS3212-Q1 consume? The device consumes less than 1.65 mW in active mode and less than 0.02 µW in shutdown mode.
- What is the purpose of the SEL pin? The SEL pin is used to control the switching between Port B or Port C to Port A.
- Is the HD3SS3212-Q1 AEC-Q100 qualified? Yes, the HD3SS3212-Q1 is AEC-Q100 qualified, making it suitable for automotive and harsh environment applications.
- What are the typical applications of the HD3SS3212-Q1? Typical applications include USB Type-C connectors, DisplayPort 1.4, FPD-Link II, FPD-Link III, and MIPI DSI/CSI-2 switching.
- How is the device controlled? The device can be controlled via the SEL and OEn pins, which can be driven by a processor or microcontroller.
- What are the recommendations for AC coupling capacitors? The device requires AC coupling capacitors, preferably 0201 or 0402 size, placed symmetrically along the TX pairs on the system board.
- What is the significance of the PowerPAD in the device's package? The PowerPAD helps in thermal management by soldering it onto the thermal land, ensuring the device operates within the specified temperature range.
