Texas Instruments

PCA9548ADWR  

Specialized Backplane Connectors

The PCA9548ADWR is a 1-to-8 I2C switch with a default address of 0x70. It is manufactured by Texas Instruments and is designed to enable communication with multiple I2C devices using a single I2C bus.

Description:

The PCA9548ADWR is a highly integrated I2C switch that allows a single I2C master to communicate with up to eight I2C slave devices. It features a compact 16-pin package and supports fast switching times, making it ideal for use in a wide range of applications.

Features:

• 1-to-8 I2C switch with a default address of 0x70
• Supports fast switching times
• Compact 16-pin package
• Supports a wide range of I2C bus speeds, including standard mode (100kHz) and fast mode (400kHz)
• Supports hot-swapping of I2C devices without disrupting communication
• Provides individual channel control and overall reset functionality
• Low power consumption

Applications:

The PCA9548ADWR is suitable for a wide range of applications where multiple I2C devices need to be connected to a single I2C bus. Some common applications include:

1. Industrial control systems: The PCA9548ADWR can be used to connect multiple sensors or actuators to a single I2C bus, simplifying the wiring and reducing the number of required I2C master interfaces.
2. Consumer electronics: The I2C switch can be used to connect multiple I2C devices, such as displays, touchscreen controllers, and audio codecs, to a single I2C bus in smartphones, tablets, and other consumer electronics devices.
3. Automotive systems: The PCA9548ADWR can be used to connect various sensors and control modules to a single I2C bus in automotive applications, such as infotainment systems, instrument clusters, and advanced driver assistance systems (ADAS).
4. Home automation: The I2C switch can be used to connect multiple I2C devices, such as temperature sensors, light controllers, and motor drivers, to a single I2C bus in home automation systems.
5. Data acquisition systems: The PCA9548ADWR can be used to connect multiple data acquisition devices to a single I2C bus, simplifying the wiring and reducing the number of required I2C master interfaces.

In summary, the PCA9548ADWR is a versatile I2C switch that can be used in a wide range of applications where multiple I2C devices need to be connected to a single I2C bus. Its fast switching times, compact package, and low power consumption make it an ideal choice for many applications.

PCA9548ADWR Documents

Download datasheets and manufacturer documentation for PCA9548ADWR

Datasheets :

PCA9548A      

PCN Obsolescence/ EOL :

PCA95xx obs 24/Apr/2023      

HTML Datasheet :

PCA9548A      

PCN Design/Specification :

Material Set Rev 24/Jan/2016       Design 25/Feb/2022