Texas Instruments

TCA9801DGKT

The TCA9801DGKT is a low-power, 2-wire I2C/SMBus bus switch from Texas Instruments. It is designed to enable the connection of multiple I2C devices to a single I2C bus, allowing for efficient and flexible system design.

Description:

The TCA9801DGKT is a bus switch that allows for the connection of up to four I2C devices to a single I2C bus. It is a low-power device that operates on a 2-wire interface and is compatible with the I2C/SMBus standard. The device is available in a small, 16-pin TSSOP package.

Features:

• Low power consumption: The TCA9801DGKT is designed for low-power applications, with a typical power consumption of only 1.5mA.
• 2-wire I2C/SMBus interface: The device uses a simple 2-wire interface, making it easy to integrate into existing I2C/SMBus systems.
• Supports up to four I2C devices: The TCA9801DGKT can connect up to four I2C devices to a single I2C bus, allowing for efficient system design.
• Supports clock stretching: The device supports clock stretching, allowing for compatibility with slow I2C devices.
• Active-high enable input: The TCA9801DGKT features an active-high enable input, allowing for easy control of the device.

Applications:

The TCA9801DGKT is suitable for a variety of applications where multiple I2C devices need to be connected to a single I2C bus. Some potential applications include:

• Industrial control systems
• Consumer electronics
• Automotive systems
• Telecommunications equipment
• Network equipment

Overall, the TCA9801DGKT is a versatile and low-power bus switch that can help simplify system design and enable efficient communication between multiple I2C devices.