PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic Interface
Discover the PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic Interface, a standout skin care pick designed for dependable everyday performance and lasting value.
Specifications
Brand Name: Aideepen
Condition: New
Type: Module
Features:
1. Supports 4-channel I2C multiplexing to resolve address conflicts.
2. Supports 1 master and 4 slave devices for strong scalability.
3. Plug-and-play design with low-power standby mode, consuming only 1μA.
4. Wide voltage support from 2.3V to 5.5V, compatible with multiple systems.
5. Standard header pins and QT/Qwiic interfaces for flexible connectivity.
Technical Specifications
Chip Model: PCA9546
I2C Channels: 4 channels
Master I2C Address: 0x70 (default)
Voltage Range: 2.3V - 5.5V
Max I2C Rate: 400 kHz (Fast Mode)
Interface Type: STEMMA QT / Qwiic + Pin Header
Dimensions: 25.4mm x 20.3mm
Functionality: Easily expand I2C bus capacity and resolve address conflicts! Supports 1 master and 4 slaves for efficient multi-device management. Plug-and-play compatible with Qwiic/STEMMA QT ecosystems.
Core Features:
- 4 independently switchable channels
- 1 I2C master device → controls 4 independent I2C slave groups
Resolves I2C address conflicts (e.g., connecting multiple identical sensors).
Hot-swap support
Standby current only 1μA, energy-efficient.
Operating voltage: 2.3V-5.5V, supports 3.3V/5V systems.
STEMMA QT / Qwiic 4-pin interface: Solderless, quick connection to development boards
Standard 2.54mm header pins: Compatible with breadboards and PCBs.
Application Scenarios:
Simultaneously connect multiple identical I2C devices (e.g., OLED displays, temperature/humidity sensors).
Expand I2C interface capacity.
Build modular sensor networks (environmental monitoring, robotic perception systems).
Product List:
PCA9546 Multiplexer Board × 1
Single-row header × 1 (unpopulated)
Frequently Asked Questions
Q: What is the PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic?
A: The PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic is a quality skin care pick. Supports 4-channel I2C multiplexing to resolve address conflicts.
Q: How do I use the PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic?
A: The PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic is ready to use right out of the box and makes an easy addition to your skin care lineup.
Q: Why choose the PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic?
A: The PCA9546 4-Channel I2C Multiplexer Board Stemma QT Qwiic stands out in our skin care range — Supports 1 master and 4 slave devices for strong scalability.
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
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We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.