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TCA9617BDGKR is listed in the Translators, Level Shifters range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC TRANSLTR BIDIRECTIONAL 8VSSOP. Review the specifications below when checking this part for your BOM.
The TCA9617BDGKR is a BiCMOS dual bidirectional level-shifting buffer designed for I2C and SMBus applications. It operates with VCCA ranging from 0.8V to 5.5V and VCCB from 2.2V to 5.5V, enabling translation between low-voltage and standard voltage logic domains. The device supports FM+ I2C bus speeds up to 5MHz and includes configurable pull-up resistors. Packaged in an 8-VSSOP format, it functions as a repeater or translator within mixed-voltage systems.
Verify the specific suffix 'DGKR' corresponds to the 8-VSSOP package and tape-and-reel configuration. Confirm that the 'B' variant meets the required voltage thresholds for your specific VCCA and VCCB rails. Ensure compatibility with your target I2C clock frequency specifications before finalizing procurement.
Select this component when interfacing logic families with significantly different supply voltages, such as 1.8V or 3.3V systems with 5V peripherals. The dual-channel architecture allows simultaneous translation of two independent buses. Consider the internal pull-up options to simplify external circuit design compared to discrete transistor solutions.
This part belongs to the TCA9617 family of level shifters from Texas Instruments. It serves as a specialized interface solution for managing communication protocols in heterogeneous electronic environments where voltage mismatches would otherwise prevent reliable data exchange between components.
TCA9617ADGKR is a parameter-equivalent alternative within the same family.
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