PCA9511ADP,118

The PCA9511ADP,118 is a dual bidirectional I2C-bus and SMBus voltage-level translator with an enable (EN) input and is operational from 1.2V to 3.3V (Vref_A) and 1.8V to 5.5V (Vref_B). This IC supports clock frequencies up to 400kHz and is ideal for voltage-level translation between different bus systems, enabling 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
• EN: Enable input
• SCL1/SCL2: I2C-bus and SMBus clock lines
• SDA1/SDA2: I2C-bus and SMBus data lines
• VrefA: Reference voltage for Port A
• VrefB: Reference voltage for Port B

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the PCA9511ADP,118 IC for a visual representation.

Key Features

• Dual Bidirectional Level Translation: Allows bidirectional voltage-level translation between two different bus systems.
• Wide Operating Voltage Range: Supports voltage operation from 1.2V to 5.5V, ensuring compatibility with various devices.
• High-Speed Operation: Capable of handling clock frequencies up to 400kHz, suitable for fast data transfer.
• Enable Input (EN): Provides control over the translation function, allowing for easy enable/disable of the device.
• SMBus Compatibility: The PCA9511ADP,118 is compatible with the System Management Bus (SMBus) standard for versatile applications.

Note: For detailed technical specifications, please refer to the PCA9511ADP,118 datasheet.

Application

• I2C-Bus Communication: Perfect for applications requiring voltage-level translation in I2C-bus communication scenarios.
• SMBus Interface: Suitable for interfacing devices using the SMBus protocol, enabling seamless communication between different voltage domains.
• Embedded Systems: Ideal for use in embedded systems where different voltage levels need to be bridged for proper operation.

Functionality

The PCA9511ADP,118 facilitates bidirectional voltage-level translation between two different bus systems, allowing devices operating at different voltage levels to communicate effectively and reliably.

Usage Guide

• Power Supply: Connect VrefA and VrefB to the respective reference voltages of Port A and Port B for proper functioning.
• Interfacing: Connect the SCL1/SCL2 and SDA1/SDA2 pins to the clock and data lines of the respective bus systems for translation.
• Enable Function: Control the translation operation by toggling the EN pin to enable or disable the voltage-level translation.

Frequently Asked Questions

Q: What is the maximum supported clock frequency of the PCA9511ADP,118?
A: The PCA9511ADP,118 can support clock frequencies up to 400kHz for fast data transfer.

Q: Is the EN input pin necessary for the operation of the PCA9511ADP,118?
A: The EN input pin allows for control over the translation function, providing flexibility in enabling or disabling the voltage-level translation as needed.