TCA9617ADGKR

The TCA9617ADGKR is an I2C bus buffer IC with an integrated driver designed to provide bidirectional voltage-level translation for different I2C buses. It enhances system reliability by isolating bus capacitance and supporting long bus lengths, making it ideal for applications requiring robust I2C communication.

Pinout

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

• VCC: Positive Power Supply
• GND: Ground
• SCL1: I2C Clock Line 1
• SDA1: I2C Data Line 1
• SCL2: I2C Clock Line 2
• SDA2: I2C Data Line 2
• C1+: Positive Terminal for Capacitor C1
• C1-: Ground Connection for Capacitor C1
• C2+: Positive Terminal for Capacitor C2
• C2-: Ground Connection for Capacitor C2

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TCA9617ADGKR IC for a visual representation.

Key Features

• I2C Bus Buffer: Acts as a buffer and level translator for bidirectional I2C communication.
• Integrated Driver: Includes an integrated driver for driving capacitive loads and extending bus length.
• Bidirectional Voltage-Level Translation: Supports voltage-level translation between two I2C buses.
• Robust Communication: Enhances system reliability by isolating capacitance and supporting long bus lengths.
• Wide Operating Voltage Range: Operates from a single +2.5V to +5.5V supply, compatible with various systems.

Note: For detailed technical specifications, please refer to the TCA9617ADGKR datasheet.

Application

• I2C Bus Isolation: Ideal for isolating and buffering I2C communication in systems with multiple devices.
• Capacitive Load Driving: Suitable for driving capacitive loads in I2C bus applications, ensuring signal integrity.
• Long Bus Length Support: Enables reliable I2C communication over longer bus lengths in industrial and automotive applications.

Functionality

The TCA9617ADGKR is designed to facilitate efficient and reliable bidirectional voltage-level translation between I2C buses. It isolates bus capacitance, enhances signal integrity, and extends bus lengths for robust I2C communication.

Usage Guide

• Power Supply: Connect VCC (Pin 1) to the supply voltage within the operating range (2.5V to 5.5V).
• I2C Connections: Connect SCL1/SDA1 and SCL2/SDA2 to the respective I2C bus lines for communication.
• Capacitor Connection: Connect capacitors C1/C2 for stability and filtering as per the datasheet recommendations.

Frequently Asked Questions

Q: Can the TCA9617ADGKR be used for level shifting in mixed-voltage I2C systems?
A: Yes, the TCA9617ADGKR is designed for bidirectional voltage-level translation, making it suitable for level shifting in mixed-voltage I2C environments.

Q: What is the maximum bus length supported by the TCA9617ADGKR for reliable communication?
A: The TCA9617ADGKR can support extended bus lengths, but factors such as bus capacitance and noise levels should be considered for optimal performance.