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Item #:
52015590
5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board
85% of respondents would recommend this to a friend
Item #:
52015590
ETB 2331
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5PCS TCA9548A Expansion Board for I2C IIC Multiplexing, with 8 channels and selectable address. Max clock frequency of 400KHz
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What Stands Out
I2C Multiplexing
Allows communication with multiple I2C devices using a single microcontroller, minimizing wiring complexity and enabling more complex projects.
8 Channel Support
Expands control over up to 8 devices, perfect for robotics, sensors, or any multi-device applications that require efficient management.
Compact Design
Designed for easy integration into various projects, this small footprint board avoids clutter while maintaining high functionality and reliability.
Product Details
- Chip: TCA9548A
- Interface: I2C IIC
- Selectable I2C address: 0x70-0x77
- Working Voltage: 1.65-5.5V
- Max Clock Frequency: 400KHz
- Instructions For Use: /RESET, SDA, SCL, A0, A1, A2 pins connected to internal pull-up resistor
| Connectivity Technology | I2C |
| Compatible Devices | I2C devices |
| RAM Memory Technology | LPDDR3, LPDDR4 |
| Brand | ATNSINC |
| Model Name | TCA9548A |
| Built-In Media | 5 x TCA9548A I2C IIC Multiplexer breakout |
| Number of Items | 5 |
| UPC | 701715490970 |
| Unit Count | 5 Count |
| Manufacturer | ATNSINC |
| Included Components | 5 x TCA9548A I2C IIC Multiplexer breakout |
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
-
I2C Developers
Ideal for developers working with multiple I2C devices needing to expand their microcontroller's I2C bus capabilities effectively.
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Robotics Projects
Perfect for robotics enthusiasts integrating multiple sensors and components, enabling better management of I2C communications.
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Educational Use
Great for students or educators demonstrating I2C principles, facilitating hands-on learning experiences with multiple devices.
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Single Device Users
Users only utilizing one I2C device will find this expansion board unnecessary and overly complex for their needs.
Product Description
5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board
About This Item
Introducing the 5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board - the perfect solution for connecting multiple identical I2C devices to your main control board! This versatile expansion board allows you to easily communicate and use up to 8 same-address I2C devices with just one microcontroller. With the TCA9548A Multiplexer Breakout Board, you can eliminate the hassle of dealing with multiple devices with the same address. Acting as a gatekeeper, this multiplexer shuttles commands to the selected set of I2C pins, ensuring smooth communication and usage.
Changing the address on this expander is a breeze, and you can set it within the range of 0x70 to 0x77, depending on your specific needs. In theory, you can cascade up to 8 expanders in the address range of 0x70 to 0x77, allowing you to connect 64 devices with the same address and use them simultaneously. Designed to be compatible with both the IIC bus and system management bus (SMBus), this expansion board features an active low reset input, support for hot insertion, low standby current, and glitch-free power-up.
It also supports voltage levels between 1.8V, 2.5V, 3.3V, and 5V, making it versatile and suitable for various systems. To make usage a snap, we have put this nice chip on a breakout board complete with capacitors, pull-ups, and pull-downs. With some header soldered in, you can easily plug it into a solderless breadboard.
Package Includes: - 5 x TCA9548A I2C IIC Multiplexer Breakout Board Expand your I2C capabilities with the 5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board. Order yours today and unlock the full potential of your microcontroller!.
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Customer Questions & Answers
-
Question:
What is the TCA9548A Expansion Board used for?
Answer: The TCA9548A Expansion Board is designed to expand the number of devices connected to an I2C bus. This 8-channel multiplexer allows multiple I2C devices to communicate on a single master line, making it ideal for projects requiring multiple sensors or controllers. For example, in robotics where various sensors need to be integrated without changing the master controller, this board simplifies connections and enhances management. -
Question:
How do I connect the TCA9548A Board to my microcontroller?
Answer: To connect the TCA9548A Expansion Board to your microcontroller, wire the SDA and SCL pins of the I2C bus from your microcontroller to the corresponding pins on the board. Each of the output channels can then be connected to different I2C devices. This allows you to select which device to communicate with using control pins, making setup flexible for various applications, such as in embedded systems and IoT projects. -
Question:
What are the power requirements for the TCA9548A Expansion Board?
Answer: The TCA9548A operates typically at a voltage range of 2.3V to 5.5V, which means you can power it using standard voltage levels for most microcontrollers. It's essential to ensure that the board is powered adequately to prevent operational issues. This makes it suitable for various platforms, including Arduino and Raspberry Pi, offering versatility in integration for diverse electronic projects. -
Question:
Can I use multiple TCA9548A boards in a single project?
Answer: Yes, you can use multiple TCA9548A boards within the same project to manage an extensive array of I2C devices. Each multiplexer can be assigned a unique address, allowing you to increase your I2C device count significantly. This setup is beneficial in complex systems like data acquisition applications or automated industrial systems where many sensors need to be monitored. -
Question:
Is there a specific software or library required to interface with the TCA9548A?
Answer: While there is no specific library required exclusively for the TCA9548A, many popular microcontroller platforms, like Arduino, have libraries for I2C communication that you can utilize. Using these libraries simplifies the process of accessing multiplexer features. Helpful libraries can streamline coding, making it easier to control which channels are active for tasks such as sensor data collection or device control. -
Question:
What is the maximum number of I2C devices I can connect using this board?
Answer: With the TCA9548A Expansion Board, you can manage up to 64 I2C devices by cascading multiple multiplexers. Each of the 8 channels can be connected to different I2C devices, expanding your project’s capacity significantly. This is particularly useful in scenarios where you need to gather data from many sensors or control numerous actuators, like in environmental monitoring systems. -
Question:
What makes the TCA9548A a better choice than other multiplexer options?
Answer: The TCA9548A is preferred for its efficiency and ease of use, with its ability to handle up to 8 channels without additional complexity in wiring. Moreover, it supports fast-mode I2C, making it reliable for high-speed data applications. Compared to other multiplexers, it offers more features in a compact design, which is ideal for space-constrained applications like wearable technology. -
Question:
What types of projects are ideal for using the TCA9548A Expansion Board?
Answer: The TCA9548A is perfect for electronics projects that involve multiple sensors or I2C devices. For instance, in a home automation project, you could use it to connect multiple temperature and humidity sensors to a single microcontroller. It’s also excellent in robotics, where you may need several cameras or ultrasonic sensors without overwhelming the I2C bus, ensuring organized and manageable connections. -
Question:
Where can I buy the 5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board in Ethiopia?
Answer: You can purchase the 5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board from Ubuy in Ethiopia. Ubuy offers a great selection of electronic components, ensuring you can find what you need for your projects with convenience and efficiency.
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Features & Benefits
- Multiplexes 8 I2C devices to one bus
- Selectable address between 0x70-0x77
- Works with a variety of interface protocols
- Easy to set up and use without external connections required
- Suitable for a wide range of applications
- Provides a cost-effective solution for expanding I2C capabilities
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