Texas Instruments

TCA6408ARGTR  

I/O Expanders

The TCA6408ARGTR is a low-power, 8-bit I2C and SMBus I/O expander with interrupt capabilities, manufactured by Texas Instruments. It is designed to control and monitor general-purpose I/O lines in a variety of applications, such as industrial control systems, home automation, and IoT devices.

Description:

The TCA6408ARGTR is a member of Texas Instruments' TCA6408A family of I/O expanders. It is available in a 16-pin RoHS-compliant TSSOP package. The device features 8-bit bi-directional I/O ports, which can be configured as inputs or outputs. It also includes an interrupt output that can be used to signal the host microcontroller when a specific condition is met.

Features:

1. 8-bit bi-directional I/O lines: The TCA6408ARGTR provides 8 general-purpose I/O lines that can be configured as inputs or outputs.
2. I2C and SMBus interface: The device uses a two-wire I2C or SMBus interface for communication with the host microcontroller, allowing for easy integration into existing systems.
3. Low power consumption: The TCA6408ARGTR is designed for low-power applications, with a typical operating current of 1.4 mA (I2C) and 1.6 mA (SMBus).
4. Interrupt output: The device features an interrupt output that can be used to signal the host microcontroller when a specific condition is met, such as a change in input state or a timeout event.
5. Configurable pull-ups: The TCA6408ARGTR allows for the configuration of internal pull-up resistors for each I/O line, enabling flexible design options.
6. Wide operating voltage range: The device operates over a wide voltage range of 2.3V to 5.5V, making it suitable for various power supply environments.
7. Small package size: The 16-pin TSSOP package is compact and suitable for space-constrained applications.

Applications:

1. Industrial control systems: The TCA6408ARGTR can be used to control and monitor various sensors, actuators, and switches in industrial control systems.
2. Home automation: The device can be integrated into home automation systems to control smart lighting, HVAC, and security systems.
3. IoT devices: The TCA6408ARGTR can be used in IoT devices to manage various input and output interfaces, such as sensors and actuators.
4. Medical equipment: The device can be used in medical equipment to control and monitor various input and output interfaces, such as patient monitoring sensors and medical actuators.
5. Automotive applications: The TCA6408ARGTR can be used in automotive systems to control and monitor various input and output interfaces, such as sensors and actuators for infotainment, climate control, and safety systems.

In summary, the TCA6408ARGTR is a versatile, low-power I/O expander that can be used in a wide range of applications, thanks to its I2C and SMBus interface, configurable I/O lines, and interrupt output capabilities.

TCA6408ARGTR Documents

Download datasheets and manufacturer documentation for TCA6408ARGTR

Datasheets :

TCA6408A      

HTML Datasheet :

TCA6408A      

PCN Design/Specification :

TCA64xx Datasheet 16/Feb/2023