TCA9517DGKR

Translators, Level Shifters Overview

The TCA9517DGKR is a level-translating I2C bus repeater manufactured by Texas Instruments. It operates within a supply voltage range of 0.9 V to 5.5 V and supports clock frequencies up to 400 kHz. The device features a propagation delay of 141 ns and an input capacitance of 8 pF. It functions with a typical operating current of 1 mA and is housed in an SOIC-8 surface-mount package. The component is rated for an ambient operating temperature range from -40°C to +85°C.

Translators, Level Shifters Feature Summary

• Provides bidirectional voltage-level translation between different logic domains
• Acts as a repeater to extend I2C or SMBus network reach
• Supports standard and fast-mode I2C communication protocols

Translators, Level Shifters Applications

• Interfacing low-voltage microcontrollers with higher-voltage peripheral devices
• Extending I2C bus distance in embedded systems
• Connecting mixed-voltage subsystems in industrial control equipment

Translators, Level Shifters Procurement Notes

Verify the specific suffix 'DGKR' against the manufacturer's latest datasheet to confirm the SOIC-8 package and tape-and-reel packaging configuration. Ensure the procurement source provides valid traceability documentation, as this component belongs to the automotive-grade TCA series which may have stricter quality requirements than commercial variants.

Translators, Level Shifters Selection Notes

Select this component when designing systems requiring robust signal integrity across varying voltage levels on I2C buses. It is suitable for applications needing extended bus length capabilities without complex protocol handling. Consider the SOIC-8 footprint constraints and the 1mA quiescent current draw during power budget calculations for battery-operated devices.

Translators, Level Shifters Part Context

This part belongs to the TCA9517 family of level-shifting bus repeaters designed for automotive and industrial environments. It serves as a functional equivalent to the NXP PCA9517 series, offering similar voltage translation and repeater functionalities. The TCA prefix typically denotes Texas Instruments' automotive-grade qualification standards compared to the commercial PCA series.

Translators, Level Shifters Replacement Considerations

• TCA9517DR
• PCA9517DGKR

Translators, Level Shifters FAQ

What is the maximum supported clock frequency for the TCA9517DGKR?

The device supports I2C clock frequencies up to 400 kHz.

Does the TCA9517DGKR support SMBus protocols?

Yes, the component is compatible with both I2C and SMBus interfaces.