TCA9517ADGKR

The TCA9517ADGKR is a dual bidirectional I2C voltage-level translator designed for applications that require level shifting between different voltage domains. This IC supports I2C clock frequencies up to 400kHz and offers a simple solution for interfacing devices with different voltage levels in a reliable manner.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• Pin 1: OE (Output Enable)
• Pin 2: B1 (Voltage Level 1)
• Pin 3: B2 (Voltage Level 2)
• Pin 4: A1 (Voltage Level 1)
• Pin 5: A2 (Voltage Level 2)
• Pin 6: GND (Ground)
• Pin 7: A3 (Voltage Level 1)
• Pin 8: A4 (Voltage Level 1)
• Pin 9: A5 (Voltage Level 1)
• Pin 10: A6 (Voltage Level 1)
• Pin 11: A7 (Voltage Level 1)
• Pin 12: VCCA (Voltage Level 1)
• Pin 13: VCCB (Voltage Level 2)
• Pin 14: B3 (Voltage Level 2)
• Pin 15: B4 (Voltage Level 2)
• Pin 16: GND (Ground)

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TCA9517ADGKR IC for a visual representation.

Key Features

• Dual Bidirectional Voltage-Level Translator: Allows bidirectional voltage level translation between two different voltage domains.
• High-Speed I2C Compatibility: Supports I2C clock frequencies up to 400kHz for fast data communication.
• Simple Interface: Provides an easy-to-use solution for level shifting in I2C bus applications.
• Low Standby Current: Features low standby current consumption, making it suitable for power-sensitive applications.
• Wide Voltage Range: Supports voltage translation between 1.2V and 5.5V, offering compatibility with a variety of systems.

Note: For detailed technical specifications, please refer to the TCA9517ADGKR datasheet.

Application

• I2C Level Shifting: Ideal for applications requiring bidirectional voltage translation in I2C communication.
• Mixed-Voltage Systems: Suitable for interfacing devices operating at different voltage levels within the same system.
• Embedded Systems: Used in embedded systems where components operate at varying voltage domains.

Functionality

The TCA9517ADGKR is designed to facilitate level shifting between two voltage domains in I2C communication, ensuring seamless data exchange between devices with different voltage requirements.

Usage Guide

• Power Supply: Connect VCCA (Pin 12) and VCCB (Pin 13) to the respective supply voltages of the two voltage domains.
• Data Lines: Connect the A1-A7 and B1-B4 pins to the I2C data lines of the respective voltage domains.
• Output Enable: Use the OE pin (Pin 1) to control the direction of data flow through the translator.

Frequently Asked Questions

Q: What is the maximum clock frequency supported by the TCA9517ADGKR?
A: The TCA9517ADGKR supports I2C clock frequencies up to 400kHz, ensuring efficient data transmission in I2C applications.

Q: Can the TCA9517ADGKR handle level translation between voltages outside the specified range?
A: It is recommended to stay within the specified voltage range of 1.2V to 5.5V for reliable operation and optimal performance.