TUSB9261IPAPRQ1

Specialized Overview

The TUSB9261IPAPRQ1 is a USB 3.0 to SATA bridge controller manufactured by Texas Instruments, designed for automotive applications under the AEC-Q100 qualification standard. It integrates a high-speed USB 3.0 transceiver with an embedded ARM Cortex-M3 core and supports Serial ATA specifications revision 2.6. The device operates within a recommended voltage range of 1.045 V to 1.155 V for digital logic and 3.0 V to 3.6 V for I/O and analog sections. It features adaptive equalization for signal integrity and supports data transfer rates up to 6 Gbps on the SATA interface.

Specialized Feature Summary

• Integrates a USB 3.0 transceiver with adaptive equalization and an ARM Cortex-M3 processor for flexible firmware execution
• Supports Serial ATA Specification Revision 2.6 with Gen1 and Gen2 data rates and hot-plug capability
• Includes built-in flash programming capabilities via SPI interface for production customization

Specialized Applications

• Automotive multimedia systems connecting external HDD or SSD storage
• Vehicle infotainment units requiring reliable USB-to-SATA connectivity
• Industrial control systems utilizing USB-connected mass storage devices

Specialized Procurement Notes

Verify that the component meets AEC-Q100 standards for automotive reliability. Confirm the package type matches the PCB footprint requirements. Ensure the firmware version aligns with the target application's protocol needs before integration into the design.

Specialized Selection Notes

Select this part when automotive-grade certification is mandatory for USB 3.0 to SATA bridging. Consider the integrated Cortex-M3 core if custom firmware or peripheral management via GPIO is required. Verify power supply constraints match the specified 1.1V and 3.3V domains.

Specialized Part Context

This component belongs to the TUSB926x family of USB 3.0 to SATA bridges. The IPAPRQ1 suffix indicates an automotive-qualified variant in a specific package configuration. It serves as a bridge between USB host controllers and SATA storage devices in demanding environments.

Specialized Replacement Considerations

The TUSB9261PVP is a non-automotive equivalent. The TUSB9260 offers similar functionality but may lack specific automotive certifications or feature sets. Verify pin compatibility and firmware support before substitution.