Texas Instruments

TCA9534ADWR  

I/O Expanders

The TCA9534ADWR is a low-power I2C bus switch from Texas Instruments. It is designed to enable communication between multiple I2C devices and a single I2C bus master. Here is a description of the TCA9534ADWR, including its features and applications:

Description:

The TCA9534ADWR is a 4-port I2C bus switch that allows a single I2C bus master to communicate with up to four I2C bus slaves. It is a low-power device that operates at a voltage range of 1.7V to 5.5V and has a small package size of 10-pin WSON.

Features:

1. 4-port I2C bus switch with support for standard and fast-mode I2C communication.
2. Low power consumption with a typical current consumption of 0.1 mA in active mode and 0.7 μA in standby mode.
3. Supports I2C bus speeds up to 400 kbps.
4. Small package size of 10-pin WSON.
5. Operating voltage range of 1.7V to 5.5V.
6. Supports hot-swappable devices without bus contention.
7. Provides individual channel control and status registers for easy configuration and monitoring.
8. Supports multi-master scenarios with arbitration and bus conflict detection.

Applications:

1. Consumer electronics: Connecting multiple I2C devices, such as sensors and displays, to a single I2C bus in smartphones, tablets, and smart home devices.
2. Industrial automation: Enabling communication between various I2C-based sensors and controllers in industrial automation systems.
3. Automotive: Facilitating communication between multiple I2C devices in automotive applications, such as infotainment systems, instrument clusters, and body control modules.
4. Medical equipment: Connecting various I2C-based sensors and devices in medical equipment, such as patient monitoring systems and diagnostic devices.
5. IoT devices: Enabling communication between multiple I2C devices in Internet of Things (IoT) devices, such as smart sensors and wearables.

In summary, the TCA9534ADWR is a versatile and low-power I2C bus switch that can be used in a wide range of applications where multiple I2C devices need to communicate with a single I2C bus master. Its small package size, low power consumption, and support for standard and fast-mode I2C communication make it an ideal choice for space-constrained and power-sensitive applications.

TCA9534ADWR Documents

Download datasheets and manufacturer documentation for TCA9534ADWR

Datasheets :

TCA9534A      

HTML Datasheet :

TCA9534A      

PCN Design/Specification :

Design 25/Feb/2022