Texas Instruments

TCA9517DGKRQ1  

Translators, Level Shifters

The TCA9517DGKRQ1 is a low-power I2C multiplexer (also known as a switch or MUX) from Texas Instruments. It is designed to allow multiple I2C devices to share the same I2C bus, which can be useful in situations where there are more I2C devices than available I2C bus lines.

Here is a brief description of the TCA9517DGKRQ1, its features, and potential applications:

Description:

The TCA9517DGKRQ1 is a 1.7V to 5.5V, 2-Channel I2C Switch with a -40°C to 125°C operating temperature range. It is designed to operate with I2C compatible systems and provides a simple and efficient way to expand the number of I2C devices that can be connected to a single I2C bus.

Features:

1. Low Power Consumption: The TCA9517DGKRQ1 is designed for low power applications, making it suitable for battery-powered devices.
2. 2-Channel I2C Switch: It can control access to two separate I2C buses, allowing for more flexibility in system design.
3. I2C-Compatible: It operates with standard I2C communication protocols, making it easy to integrate into existing I2C systems.
4. General-Call Address Capability: It supports the I2C general-call address feature, which allows for simplified software design.
5. Small Package Size: The device comes in a small package (DGKRQ1 package), which is suitable for compact designs.
6. Wide Operating Voltage Range: It can operate over a wide voltage range, making it suitable for various power supply scenarios.
7. High Operating Temperature Range: It is designed to work in a wide range of temperatures, making it suitable for both indoor and outdoor applications.

Applications:

1. Sensor Networks: In systems with multiple sensors, the TCA9517DGKRQ1 can be used to connect these sensors to a single I2C bus, reducing the number of wires needed.
2. Embedded Systems: In embedded systems where space is at a premium, the TCA9517DGKRQ1 can help save space by allowing multiple devices to share the same bus lines.
3. Automotive Applications: Due to its wide operating temperature range, it can be used in automotive applications where devices need to operate in harsh environments.
4. Industrial Control Systems: In industrial settings, the TCA9517DGKRQ1 can help manage the communication between various I2C devices, such as sensors and actuators.
5. Smart Home Devices: For smart home devices that use I2C for communication, the TCA9517DGKRQ1 can help manage the connections between multiple devices.

When using the TCA9517DGKRQ1, it's important to follow the datasheet guidelines for proper operation, including power supply requirements, I2C communication protocols, and electrical characteristics.

TCA9517DGKRQ1 Documents

Download datasheets and manufacturer documentation for TCA9517DGKRQ1

Datasheets :

TCA9517-Q1      

HTML Datasheet :

TCA9517-Q1