PCA9548APW Datasheet – 8-Channel, I2C Switch With Reset

Part Number: PCA9548APW

Function: Low Voltage 8-Channel I2C Switch With Reset

Package: TSSOP 24 Pin Type

Manufacturer: Texas Instruments

PCA9548APW datasheet


The PCA9548A has eight bidirectional translating switches that can be controlled via the I2C bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable control register.


1. 1-of-8 Bidirectional Translating Switches
2. I2C Bus and SMBus Compatible
3. Active-Low Reset Input
4. Three Hardware Address Pins for Use of up to Eight PCA9548A Devices on the I2C Bus
5. Channel Selection Via I2C Bus
6. Power-Up with All Switch Channels Deselected


1. Servers
2. Routers (Telecom Switching Equipment)
3. Factory Automation
4. Products With I2C Slave Address Conflicts

Other data sheets are available within the file: PCA9548A, PCA9548ADB, PCA9548ADBG4, PCA9548ADBR

PCA9548APW Datasheet PDF Download

PCA9548APW pdf