TCA39306DCURQ1

Translators, Level Shifters Overview

The TCA39306DCURQ1 is a dual bidirectional voltage-level translator compatible with I2C, SMBus, and I3C protocols. It operates with VREF1 ranging from 0.85 V to 3.3 V and VREF2 from 1.8 V to 5.5 V. The device features an enable input for isolation control and supports standard, fast, and fast-mode plus speeds. It provides low on-state resistance and high-impedance states when disabled. The component is housed in an 8-pin VSSOP package and is qualified for automotive applications.

Translators, Level Shifters Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• Bidirectional translation without direction pins
• Supports I3C up to 12.5 MHz
• High-impedance isolation when enabled low

Translators, Level Shifters Applications

• I3C, I2C, SMBus, PMBus, MDIO interfaces
• Servers and routers
• Personal computers
• Industrial automation

Translators, Level Shifters Procurement Notes

Verify the DCURQ1 suffix indicates the specific VSSOP-8 packaging and automotive grade qualification. Confirm that the ordering information matches the required temperature range and functional safety documentation availability. Ensure compatibility with the target system's voltage levels before finalizing procurement.

Translators, Level Shifters Selection Notes

Select this component for mixed-voltage I2C or I3C systems requiring bidirectional translation. It is suitable for isolating buses during hot insertion or speed mismatches. Ensure the application respects the continuous channel current limits and thermal characteristics of the VSSOP-8 package.

Translators, Level Shifters Part Context

This part belongs to the TCA39306-Q1 family of voltage translators. It is designed for automotive environments where functional safety and reliability are critical. The device integrates two independent channels for clock and data lines.

Translators, Level Shifters Replacement Considerations

Check for TCA39306 variants with different packages or non-automotive grades if supply constraints exist. Verify pinout compatibility and electrical specifications match the original design requirements.