Texas Instruments

TCA9538PWR

The TCA9538PWR is a low-power I2C multiplexer from Texas Instruments. This device is designed to provide a flexible and efficient way to connect multiple I2C devices to a single I2C bus, thereby reducing the number of I2C pins required on a microcontroller or other master device.

Description:

The TCA9538PWR is a 1.7V to 5.5V I2C multiplexer that supports up to 8 I2C devices. It is available in a small 16-pin TSSOP package, making it ideal for space-constrained applications. The device features a low on-resistance of 3.5 ohms and a low input/output current of 2.5uA, which helps to minimize power consumption.

Features:

• Supports up to 8 I2C devices
• Wide operating voltage range of 1.7V to 5.5V
• Low on-resistance of 3.5 ohms
• Low input/output current of 2.5uA
• Small 16-pin TSSOP package
• I2C-compatible interface with address selection
• Supports standard, fast, and high-speed I2C modes
• Supports hot-swapping of I2C devices
• ESD protection up to 4kV

Applications:

The TCA9538PWR is suitable for a wide range of applications where multiple I2C devices need to be connected to a single I2C bus. Some potential applications include:

• Industrial control systems
• Home automation systems
• Automotive infotainment systems
• IoT devices
• Wearable devices
• Smart home devices
• Sensor networks

In summary, the TCA9538PWR is a versatile and low-power I2C multiplexer that can help to reduce the number of I2C pins required on a master device, while also providing flexibility in connecting multiple I2C devices to a single bus. Its small form factor and low power consumption make it ideal for a wide range of applications.