Texas Instruments

TCA9548ARGERQ1

The TCA9548ARGERQ1 is a 1-to-8 I2C multiplexer from Texas Instruments. It is designed to enable communication with multiple I2C devices using a single I2C bus. Here is a description of the model, its features, and applications:

Description:

The TCA9548ARGERQ1 is an I2C switch that allows a single I2C master to communicate with up to eight I2C slave devices. It is a low-power, 1-to-8 multiplexer that can be used to expand the number of I2C devices that can be connected to a single I2C bus. The device features a programmable I2C address, enabling multiple TCA9548A devices to be connected in a daisy-chain configuration.

Features:

1. 1-to-8 I2C multiplexer
2. Supports I2C standard (100 kHz) and Fast-mode (400 kHz) operation
3. Programmable I2C addresses (0x70 to 0x77)
4. Daisy-chain configuration with multiple TCA9548A devices
5. Supports hot-swappable I2C devices
6. 1.71 to 5.5V supply voltage range
7. Small 16-pin QFN package
8. Low power consumption (3.3V supply: 2.4mA active, 3.3µA standby)

Applications:

1. I2C bus expansion in embedded systems
2. Extending the number of I2C devices in industrial control systems
3. Adding I2C connectivity to IoT devices
4. Automotive applications with multiple I2C-enabled sensors and actuators
5. Home automation systems with multiple I2C-based devices
6. Communication with multiple EEPROMs, sensors, or other I2C devices
7. Reducing the number of I2C pins required on a microcontroller or processor

The TCA9548ARGERQ1 is a versatile I2C multiplexer that can be used in various applications where it is necessary to connect multiple I2C devices to a single I2C bus. Its low power consumption, small footprint, and compatibility with standard and Fast-mode I2C operation make it suitable for a wide range of applications.