Description
TCA9548A I2C Multiplexer 8-Channel Expansion Module Datasheet
Overview
The TCA9548A is an I2C multiplexer module with 8 channels, designed to extend the capabilities of I2C communication for various development platforms including Arduino, ESP32, and Raspberry Pi. This module allows multiple I2C devices to communicate on a single I2C bus, enhancing flexibility and control in complex electronic projects.
Key Features
- 8-channel I2C multiplexer for expanding I2C bus connections
- Compatible with popular platforms: Arduino, ESP32, Raspberry Pi
- Addressable I2C device with customizable address via jumpers
- Low power consumption, compact design for easy integration
- High-speed I2C interface up to 400 kHz
Applications
- Multiplexing I2C devices in complex projects
- Used in Arduino, ESP32, and Raspberry Pi projects for enhanced I2C connectivity
- Ideal for sensors, displays, and various I2C modules
Specifications
| Parameter | Value |
|---|---|
| Power Supply | 1.65V to 5.5V |
| Operating Temperature | -40°C to 85°C |
| I2C Address | Configurable via jumpers |
| Channels | 8 |
| Interface Speed | Up to 400 kHz |
Pin Configuration
- VCC: Power supply input (1.65V – 5.5V)
- GND: Ground
- SCL: I2C clock line
- SDA: I2C data line
- SC0-SC7: Individual channel clock lines
- SD0-SD7: Individual channel data lines
Compatibility
The TCA9548A I2C multiplexer is compatible with Arduino, ESP32, Raspberry Pi, and other microcontroller boards that support I2C protocol, making it ideal for use in various hobbyist and professional electronics projects.
Usage Tips
- Configure I2C address carefully to avoid conflicts with other devices.
- Ensure power supply within the specified range for stable performance.
- Test individual channels during initial setup to verify connection integrity.
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