TXS02612ZQSR

Specialized Overview

The TXS02612ZQSR is a specialized SDIO port expander manufactured by Texas Instruments, designed for automotive applications. It operates within a supply voltage range of 1.1 V to 3.6 V and supports a maximum clock frequency of 60 MHz. The device features four I/O channels and is housed in a 24-WQFN (4x4) package with an exposed pad. It functions without interrupt outputs and includes ESD protection rated at 2 kV. The component is qualified under AEC-Q100 standards, ensuring reliability for automotive environments. Operating temperatures span from -40°C to +85°C, with a typical operating supply current of 36 uA.

Specialized Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards for reliable operation in vehicle electronics.
• Specialized interface design optimized for SD/SDIO/MMC card expansion in mobile and automotive systems.
• Bidirectional voltage translation capability supporting low-voltage logic interfaces across multiple channels.

Specialized Applications

• Cell phone baseband interface expansion
• Automotive infotainment system SDIO port expansion
• Mobile device memory card interface management

Specialized Procurement Notes

Verify the specific suffix ZQSR confirms automotive grade qualification and tape-and-reel packaging configuration. Confirm RoHS3 compliance status and moisture sensitivity level handling requirements prior to assembly. Ensure the supplier provides valid traceability documentation for automotive components.

Specialized Selection Notes

Select this component when automotive qualification is required for SDIO expansion tasks. Compare against non-automotive variants like the RTWR version if environmental ratings differ. Verify pin compatibility and thermal performance within the 24-WQFN footprint constraints for the target PCB design.

Specialized Part Context

This part belongs to the TXS02612 series of SDIO port expanders. The ZQSR suffix typically denotes automotive grade qualification and specific packaging options compared to standard industrial versions. It serves as a bridge between host controllers and SDIO peripherals in constrained space applications.

Specialized Replacement Considerations

The TXS02612RTWR is a related industrial-grade variant within the same family. Verify if automotive qualification is strictly necessary before substituting. Check for identical pinout and electrical specifications to ensure functional compatibility.

Specialized FAQ

What is the maximum clock frequency supported by the TXS02612ZQSR?

The device supports a maximum clock frequency of 60 MHz for SDIO operations.

Is the TXS02612ZQSR suitable for high-temperature automotive environments?

Yes, it is qualified for automotive applications and operates reliably within a temperature range of -40°C to +85°C.

How many I/O channels does this port expander provide?

The TXS02612ZQSR provides four independent I/O channels for signal expansion.