Datasheet Details
| Part number | PCA9543A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 1.02 MB |
| Description | 2-Channel I2C Bus Switch |
| Download | PCA9543A Download (PDF) |
|
|
|
| Part number | PCA9543A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 1.02 MB |
| Description | 2-Channel I2C Bus Switch |
| Download | PCA9543A Download (PDF) |
|
|
|
The PCA9543A is a dual bidirectional translating switch controlled by the I2C bus.
The SCL/SDA upstream pair fans out to two downstream pairs, or channels.
Either individual SCn/SDn channel or both channels can be selected, determined by the contents of the programmable control register.
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9543A SCPS169A – SEPTEMBER 2007 – REVISED JUNE 2014 PCA9543A 2-Channel I2C Bus Switch With Interrupt Logic and Reset.
| Brand Logo | Part Number | Description | Manufacturer |
|---|---|---|---|
| PCA9543A | 2-channel I2C-bus switch | NXP Semiconductors | |
![]() |
PCA9543 | 2-channel I2C switch | NXP |
| PCA9543B | 2-channel I2C-bus switch | NXP Semiconductors | |
| PCA9543C | 2-channel I2C-bus switch | NXP Semiconductors |
| Part Number | Description |
|---|---|
| PCA9544A | Low Voltage 4-Channel I2C and SMBus Multiplexer |
| PCA9545A | Low Voltage 4-channel I2C and SMbus Switch |
| PCA9546A | Low Voltage 4-Channel I2C and SMBus Switch |
| PCA9548A | Low Voltage 8-Channel I2C Switch |
| PCA9515A | Dual Bidirectional I2C Bus and SMBus Repeater |
| PCA9515B | Dual Bidirectional I2C Bus and SMBus Repeater |
| PCA9517 | Level-Translating I2C Bus Repeater |
| PCA9518 | Expandable Five-Channel I2C HUB |
| PCA9534 | Remote 8-Bit I2C and SMBus Low-Power I/O Expander |
| PCA9534A | Remote 8-BIT I2C and SMBus Low-Power I/O Expander |