Texas Instruments

TCA9555DBR  

I/O Expanders

The TCA9555DBR is a 16-bit I/O port expander from Texas Instruments. It is designed to interface with microcontrollers and other systems to provide additional GPIO (General Purpose Input/Output) pins. The TCA9555DBR is part of the TCA9555 family of devices, which also includes the TCA9554, TCA9555, and TCA9556.

Description:

The TCA9555DBR is a 16-bit I/O port expander that features three 8-bit ports (Port 0, Port 1, and Port 2). Each port can be configured as an input or output, allowing for a total of 16 individually configurable GPIO pins. The device is controlled via an I2C interface, which simplifies integration with microcontrollers and other systems.

Features:

1. 16-bit I/O port expander with three 8-bit ports (Port 0, Port 1, and Port 2)
2. I2C interface for easy integration with microcontrollers and other systems
3. Individual pin configuration for input or output
4. Pull-up resistors for each pin (configurable via the I2C interface)
5. Open-drain outputs for compatibility with various input voltage levels
6. Active-low reset pin for easy system reset
7. Small package size (TSSOP-16)

Applications:

1. Microcontroller-based systems requiring additional GPIO pins
2. Industrial control systems
3. Home automation and IoT devices
4. Robotics and automation systems
5. Medical equipment
6. Automotive control systems
7. Any application requiring a high number of individually configurable GPIO pins and easy integration with an I2C interface.

The TCA9555DBR is a versatile and compact I/O port expander that can be used in a wide range of applications where additional GPIO pins are needed. Its I2C interface and individual pin configuration make it easy to integrate with microcontrollers and other systems, while its small package size allows for space-efficient designs.

TCA9555DBR Documents

Download datasheets and manufacturer documentation for TCA9555DBR

PCN Assembly/Origin :

Assembly Site 18/Sep/2020      

Datasheets :

TCA9555      

PCN Packaging :

Reels 19/Apr/2018       Reel 10/Jul/2018      

HTML Datasheet :

TCA9555      

PCN Design/Specification :

TCA9555 01/Jul/2016