PCA9617ADP

The PCA9617ADP is a low-power, fast-mode I2C-bus and SMBus buffer that enables the extension of the I2C-bus/SMBus up to 4000 pF. It provides level shifting between the low-voltage and high-voltage I2C-bus/SMBus segments, making it ideal for applications requiring longer bus lengths or multiple bus segments.

Pinout

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

• GND: Ground connection
• VCC: Positive power supply
• SCL1/SCL2: I2C-bus/SMBus clock lines
• SDA1/SDA2: I2C-bus/SMBus data lines
• EN: Enable pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the PCA9617ADP IC for a visual representation.

Key Features

• I2C-Bus/SMBus Buffer: Allows extension of the I2C-bus/SMBus up to 4000 pF
• Level Shifting: Provides level shifting between low-voltage and high-voltage I2C-bus/SMBus segments
• Fast Mode: Supports fast-mode I2C-bus communication
• Low Power: Consumes minimal power, suitable for power-sensitive applications
• Enable Pin: Includes an enable pin for easy control of buffer operation

Note: For detailed technical specifications, please refer to the PCA9617ADP datasheet.

Application

• Bus Extension: Ideal for extending the I2C-bus/SMBus in applications requiring longer bus lengths
• Multi-Bus Segments: Suitable for applications with multiple bus segments or voltage domains
• System Integration: Used in various embedded systems, industrial automation, and communication modules

Functionality

The PCA9617ADP is a versatile buffer IC designed to extend the I2C-bus/SMBus, enabling reliable communication over longer distances or multiple bus segments. It provides level shifting and buffering capabilities, ensuring seamless integration into various systems.

Usage Guide

• Power Supply: Connect VCC (Pin 2) to the positive power supply and GND (Pin 1) to ground
• Bus Connections: Connect SCL1/SCL2 and SDA1/SDA2 to the respective I2C-bus/SMBus segments
• Enable Control: Use the EN (Pin 5) pin to enable or disable the buffer as needed

Frequently Asked Questions

Q: What is the maximum bus capacitance supported by the PCA9617ADP?
A: The PCA9617ADP can extend the I2C-bus/SMBus up to 4000 pF.

Q: Is the PCA9617ADP suitable for low-power applications?
A: Yes, the PCA9617ADP consumes minimal power, making it suitable for low-power applications requiring extended I2C-bus/SMBus communication.