PCA9516APW,118

The PCA9516APW,118 is a hot swappable I2C-bus and SMBus buffer IC with a low standby current and level shifting capabilities. It is designed to provide buffering and logic-level translation for the I2C and SMBus protocols, allowing for seamless communication between devices with different voltage levels.

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, SDA1: I2C bus 1 clock and data lines
• SCL2, SDA2: I2C bus 2 clock and data lines
• EN: Enable pin for controlling device operation
• OE: Output enable pin
• ADDR: Address pin for device selection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the PCA9516APW,118 IC for a visual representation.

Key Features

• Hot Swappable: Allows the device to be inserted or removed from a live I2C bus without disruption.
• Low Standby Current: Features a low standby current for power-efficient operation.
• Level Shifting: Provides bidirectional voltage level translation between different I2C buses.
• High-Speed Operation: Supports fast I2C bus speeds for quick data transfer.
• Flexible Addressing: Allows for device address configuration through the ADDR pin.

Note: For detailed technical specifications, please refer to the PCA9516APW,118 datasheet.

Application

• I2C/SMBus Communication: Ideal for buffering and level shifting in I2C and SMBus communication systems.
• Hot Swappable Devices: Suitable for applications requiring hot swappability of I2C devices.
• Multi-Voltage Systems: Useful in systems with multiple voltage domains that need I2C communication.

Functionality

The PCA9516APW,118 acts as a buffer and level translator for I2C and SMBus signals, facilitating communication between devices operating at different voltage levels. It ensures reliable data transfer and compatibility in mixed-voltage environments.

Usage Guide

• Power Supply: Connect VCC (Pin 3) to the positive power supply and GND (Pin 1) to ground.
• Input Connections: Connect SCL1/SDA1 and SCL2/SDA2 to the respective I2C bus lines for level translation.
• Enable Control: Use the EN (Pin 5) pin to control the device operation and the OE (Pin 6) to enable the outputs.

Frequently Asked Questions

Q: Can the PCA9516APW,118 be used in mixed-voltage I2C systems?
A: Yes, the PCA9516APW,118 is designed to facilitate communication between devices with different voltage levels in I2C and SMBus systems.

Q: Is hot swapping supported by the PCA9516APW,118?
A: Yes, the PCA9516APW,118 allows for hot swappability of I2C devices without interrupting the bus operation.