TCA9548APWR

The TCA9548APWR is an I2C multiplexer IC designed to enable communication with multiple I2C devices using a single bus. It features eight bidirectional translating switches that can be controlled individually, allowing for flexible routing of I2C signals.

Pinout

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

• GND: Ground
• VCC: Positive Power Supply
• SCL: Serial Clock Input/Output
• SDA: Serial Data Input/Output
• ADDR0-ADDR2: Address Select Inputs
• SD0-SD7: Bidirectional I2C Bus

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TCA9548APWR IC for a visual representation.

Key Features

• Multiple Channel Selection: The TCA9548APWR allows selection of up to eight channels, enabling communication with multiple I2C devices.
• Bidirectional Switches: Each switch in the multiplexer is bidirectional, facilitating seamless communication between the master and slave devices.
• Individual Control: Each channel can be controlled individually, providing flexibility in routing I2C signals.
• Low Standby Current: The IC features low standby current, making it suitable for power-sensitive applications.
• Wide Operating Voltage Range: It operates from 1.65V to 5.5V, accommodating a variety of systems and power sources.

Note: For detailed technical specifications, please refer to the TCA9548APWR datasheet.

Application

• Embedded Systems: Ideal for use in embedded systems requiring communication with multiple I2C devices.
• Sensor Networks: Suitable for sensor networks where multiple sensors need to be interfaced with a single microcontroller.
• Test and Measurement Equipment: Used in test and measurement applications to interface with various I2C-enabled devices.

Functionality

The TCA9548APWR enables efficient communication with multiple I2C devices by providing channel selection and bidirectional translating switches. It simplifies the design of systems requiring interaction with multiple I2C peripherals.

Usage Guide

• Channel Selection: Control the multiplexer channels using the ADDR0-ADDR2 pins to select the desired I2C device.
• Data Communication: Connect the SCL and SDA lines to the master and slave devices for bi-directional data transfer.
• Power Supply: Apply a positive voltage (VCC) to power the IC and connect GND to the ground.

Frequently Asked Questions

Q: How many channels does the TCA9548APWR support?
A: The TCA9548APWR supports up to eight channels for communication with multiple I2C devices.

Q: What is the standby current of the TCA9548APWR?
A: The TCA9548APWR features low standby current, making it suitable for power-sensitive applications where power consumption is a concern.