Texas Instruments

PCA9546ARGVR  

Specialized Backplane Connectors

The PCA9546ARGVR is a 4-Channel I2C Switch from Texas Instruments. It is designed to enable communication between an I2C bus and up to four separate I2C devices or buses. Here is a brief description of the model, its features, and applications:

Description:

The PCA9546A is a 4-channel I2C-level shifter and bus switch that allows a single I2C master device to communicate with up to four I2C slave devices or buses. It is controlled via the I2C bus and can be configured to select any of the four channels or to operate in a broadcast mode, where all channels are active simultaneously.

Features:

1. 4-Channel I2C Switch: Allows a single I2C master to communicate with up to four I2C slaves or buses.
2. Broadcast Mode: Supports a broadcast mode where all channels are active at the same time.
3. I2C-Compatible: Operates with standard I2C communication protocols.
4. Channel Isolation: Each channel can be independently selected and operates independently from the others.
5. Level Shifting: Provides level shifting capabilities to match different I2C bus voltages.
6. Small Package: Available in a compact 16-pin QFN package, which is suitable for space-constrained applications.
7. Power Supply Range: Operates over a wide voltage range of 2.7V to 5.5V, making it suitable for various power supply environments.
8. Low Power Consumption: Designed for low power consumption to extend the battery life in portable applications.

Applications:

1. Multi-channel I2C Systems: In systems where multiple I2C devices need to be connected to a single master, such as in industrial control systems, home automation, and IoT devices.
2. Sensor Hubs: For aggregating data from multiple sensors connected to different I2C buses.
3. Level Shifting: In systems where I2C devices operate at different voltage levels and require voltage level shifting.
4. Automotive Applications: For managing multiple I2C devices in automotive infotainment systems, sensor networks, and control modules.
5. Extending I2C Networks: To increase the number of I2C devices that can be connected to a single master without exceeding the bus's maximum capacity.
6. Broadcast Communication: In scenarios where the same data needs to be sent to multiple I2C devices simultaneously.

The PCA9546ARGVR is a versatile and compact solution for managing complex I2C networks and can be integrated into a wide range of applications where efficient I2C communication and level shifting are required.

PCA9546ARGVR Documents

Download datasheets and manufacturer documentation for PCA9546ARGVR

PCN Assembly/Origin :

Mult Dev A/T Site 16/Mar/2021      

Datasheets :

PCA9546A      

PCN Design/Specification :

Datasheet Update 25/Jun/2014