TCA9406DCUR

Translators, Level Shifters Overview

The TCA9406DCUR is a dual bidirectional I2C bus and SMBus voltage-level translator manufactured by Texas Instruments. It operates within a supply voltage range of 1.65 V to 5.5 V, supporting communication speeds up to 1 MHz. The device features automatic direction sensing for seamless data transfer between different voltage domains without requiring explicit direction control pins. Packaged in an 8-pin VSSOP format, it is designed for surface-mount applications with an operating temperature range from -40°C to +85°C.

Translators, Level Shifters Feature Summary

• Automatic direction detection enables bidirectional data flow without external control signals
• Supports both I2C and SMBus protocols for versatile interface compatibility
• Operates across a wide voltage range from 1.65 V to 5.5 V

Translators, Level Shifters Applications

• Connecting low-voltage microcontrollers to higher-voltage peripheral devices
• Interfacing I2C/SMBus sensors and memory modules across different voltage domains
• System integration where multiple voltage levels coexist on the same bus

Translators, Level Shifters Procurement Notes

Verify the specific suffix DCUR corresponds to the VSSOP-8 package and tape-and-reel orientation required for your assembly process. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Ensure the ordering part number matches the exact pinout and electrical specifications defined in the current datasheet revision to avoid integration errors.

Translators, Level Shifters Selection Notes

Select this component when automatic direction sensing is required for bidirectional I2C or SMBus connections. It is suitable for designs needing translation between voltages ranging from 1.65 V to 5.5 V. Consider the VSSOP-8 package size for space-constrained PCB layouts. Verify that the 1 MHz speed capability meets the system's timing requirements.

Translators, Level Shifters Part Context

This device belongs to the TCA9406 series of voltage translators. It is part of Texas Instruments' portfolio of logic ICs designed for level shifting in mixed-voltage systems. The series focuses on providing reliable bidirectional communication for standard bus protocols without complex configuration.

Translators, Level Shifters FAQ

Does the TCA9406 require direction control pins?

No, the TCA9406 features automatic direction sensing, eliminating the need for external direction control pins.

What is the maximum data rate supported?

The device supports data rates up to 1 MHz for I2C and SMBus communications.