Texas Instruments

PCA9544APWR  

Specialized Backplane Connectors

The PCA9544APWR is a 4-channel I2C switch from Texas Instruments. It is designed to enable communication between a master device and up to four I2C slave devices. Here is a brief description of the model, its features, and applications:

Description:

The PCA9544APWR is a low-voltage, low-power I2C switch that provides a flexible and efficient way to expand the number of I2C devices that can be connected to a single I2C bus. It is available in a small, 16-pin TSSOP package, making it suitable for space-constrained applications.

Features:

1. 4-channel I2C switch
2. Supports standard-mode I2C operation (100 kbps)
3. Supports multi-master environments
4. Independent channel control using the I2C bus
5. Configurable channel addressing
6. Supports hot-swapping of I2C devices
7. Low-voltage operation (1.7V to 5.5V)
8. Low-power standby mode
9. Small 16-pin TSSOP package

Applications:

1. Industrial control systems
2. Consumer electronics
3. Automotive infotainment systems
4. Sensor networks
5. Home automation systems
6. Data acquisition systems
7. Security systems
8. Medical equipment
9. Any application requiring multiple I2C devices to be connected to a single I2C bus

The PCA9544APWR is a versatile and efficient solution for expanding the number of I2C devices that can be connected to a single I2C bus. Its small form factor and low-power operation make it suitable for a wide range of applications, from industrial control systems to consumer electronics.

PCA9544APWR Documents

Download datasheets and manufacturer documentation for PCA9544APWR

PCN Assembly/Origin :

Mult Dev A/T Site 16/Mar/2021      

Datasheets :

PCA9544A      

PCN Packaging :

Reels 19/Apr/2018       Reel 10/Jul/2018      

HTML Datasheet :

PCA9544A      

PCN Design/Specification :

Mult PN PART MARKING 08/Dec/2023       Datasheet Update 25/Jun/2014