HD3SS3212RKSR

Analog Switches - Special Purpose Overview

The HD3SS3212RKSR is an automotive-grade USB interface integrated circuit manufactured by Texas Instruments. It functions as a two-channel differential 2:1 multiplexer/demultiplexer switch designed for USB Type-C ecosystems. The device supports USB 3.2 standards with data rates up to 10 Gb/s, accommodating both USB 3.1 Gen 1 and Gen 2 speeds. It operates on a single supply voltage ranging from 2.7 V to 3.6 V, with a typical operating voltage of 3.3 V. The component features an 8 Ohm maximum on-resistance and an 8 GHz bandwidth. It is housed in a 20-VQFN package (2.5x4.5 mm) and meets AEC-Q100 qualification for automotive applications, supporting an extended operating temperature range from -40°C to +105°C.

Analog Switches - Special Purpose Feature Summary

• Provides signal routing for USB Type-C ports using a 2:1 multiplexing architecture
• Supports high-speed data transmission up to 10 Gb/s for USB 3.1 Gen 2 compliance
• Automotive qualified under AEC-Q100 standards for reliability in vehicle environments

Analog Switches - Special Purpose Applications

• USB Type-C host and device port expansion in automotive infotainment systems
• Signal switching between multiple USB sources and sinks in automotive displays
• High-speed data path management in automotive connectivity modules

Analog Switches - Special Purpose Procurement Notes

Verify the suffix 'RKSR' corresponds to the specific automotive grade and tape-and-reel packaging configuration required for your assembly line. Confirm that the AEC-Q100 qualification aligns with your system's thermal and reliability specifications. Ensure compatibility with the 20-VQFN footprint during PCB layout. Check for RoHS compliance status if restricted substances are a constraint. Validate the operating temperature range against your environmental design limits.

Analog Switches - Special Purpose Selection Notes

Select this component when designing for automotive USB Type-C applications requiring dual-port switching capabilities. It is suitable for designs needing support for USB 3.1 Gen 2 data rates up to 10 Gb/s. Consider this part if an AEC-Q100 qualified solution is mandatory for the target market. The 20-VQFN package offers a compact form factor for space-constrained automotive boards. Ensure the power supply voltage remains within the 2.7 V to 3.6 V range for proper operation.

Analog Switches - Special Purpose Part Context

The HD3SS3212RKSR belongs to the HD3SS3212 series of USB mux/demux switches from Texas Instruments. This series is engineered specifically for the growing demand for USB Type-C connectivity in consumer and industrial electronics. The RKSR variant denotes the automotive-qualified version with specific packaging and temperature ratings. It complements other interface solutions by enabling flexible port configurations without compromising signal integrity at high speeds.

Analog Switches - Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other automotive-grade USB mux ICs if direct replacement is necessary.