Texas Instruments

TCA9517ADGKR  

Translators, Level Shifters

TCA9517ADGKR Description

The TCA9517ADGKR from Texas Instruments is a bidirectional I²C voltage-level translator designed to interface between low-voltage (0.9V to 5.5V) and higher-voltage (2.7V to 5.5V) systems. Housed in an 8-pin VSSOP package, this surface-mount IC ensures seamless communication between devices operating at different logic levels while maintaining signal integrity. It features open-drain outputs, making it ideal for I²C and SMBus applications where bidirectional data flow is critical. With one circuit containing two channels, it supports hot-swappable operations, reducing the risk of data corruption during live insertion.

TCA9517ADGKR Features

• Wide Voltage Range: Supports VCCA (0.9V–5.5V) and VCCB (2.7V–5.5V), enabling compatibility with mixed-voltage systems.
• Bidirectional Translation: Facilitates automatic direction sensing without requiring a direction control pin.
• Open-Drain Outputs: Ensures I²C bus compatibility with pull-up resistors for proper signal termination.
• Low Standby Current: Optimized for power-sensitive applications.
• Robust ESD Protection: ±8kV HBM protection enhances reliability in harsh environments.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.

TCA9517ADGKR Applications

This translator excels in mixed-voltage I²C systems, including:

• Embedded Systems: Bridging communication between low-power microcontrollers and peripherals.
• Consumer Electronics: Enabling voltage translation in smartphones, tablets, and wearables.
• Industrial Automation: Interfacing sensors and actuators with different logic levels.
• Automotive Systems: Supporting infotainment and telematics where multiple voltage domains coexist.

Conclusion of TCA9517ADGKR

The TCA9517ADGKR stands out for its bidirectional capability, wide voltage range, and robust design, making it a superior choice for I²C/SMBus level shifting. Its compact form factor, low power consumption, and ESD resilience ensure reliable performance in consumer, industrial, and automotive applications. Engineers benefit from its plug-and-play functionality, eliminating the need for complex direction control, while its compliance with RoHS3 and REACH underscores its suitability for modern electronics.

TCA9517ADGKR Documents

Download datasheets and manufacturer documentation for TCA9517ADGKR

PCN Assembly/Origin :

Mult Dev A/T Chgs 14/Jan/2021      

Datasheets :

TCA9517A      

HTML Datasheet :

TCA9517A      

PCN Design/Specification :

SOT23, VSSOP Cu Wire 28/Jun/2013       Copper Wire Revision C 24/Sep/2014