Manufacturer Part Number
TCA6416ARTWR
Manufacturer
Texas Instruments
Introduction
I/O Expander IC with 16 GPIO interfaces for extended peripheral connectivity in microcontroller systems.
Product Features and Performance
16-bit I/O Expander
I2C and SMBus compatible interface
Interrupt Output for event notification
Power-on Reset
Push-Pull Output Type
Supports 10mA and 25mA Output Source/Sink capabilities
Up to 400 kHz Clock Frequency for I2C Interface
Wide Voltage Supply Range from 1.65V to 5.5V
Suitable for operation over an industrial temperature range of -40°C to 85°C
Surface Mount 24-WFQFN (4x4) package for compact PCB design
Product Advantages
Allows for expansion of GPIOs which facilitates design scalability
Simplifies connection with common, industry-standard I2C interface
Interrupt feature enables efficient communication and power management by alerting when input state changes
Broad voltage range provides design flexibility for various power supplies
High-temperature range ensures functionality in harsh environments
Key Technical Parameters
Number of I/O: 16
Interface: I2C, SMBus
Interrupt Output: Yes
Current - Output Source/Sink: 10mA, 25mA
Clock Frequency: 400 kHz
Voltage - Supply: 1.65V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Robust design for high reliability
Complies with industry-standard quality norms and safety guidelines
Compatibility
Compatible with a wide array of microcontrollers and processors supporting I2C interface
Application Areas
Embedded Systems
Microcontroller Peripheral Expansion
Industrial Control
Home Automation
Consumer Electronics
Product Lifecycle
Active Product Status
Not nearing discontinuation with ongoing support
Several Key Reasons to Choose This Product
Enhances the GPIO capability of microcontrollers without a need for major redesign
Low power consumption for battery-powered applications
Flexible interfacing with I2C/SMBus allows for simple integration into existing systems
Reliable performance under wide operating temperature conditions
Easy to integrate into space-constrained designs due to its small form factor package
Support from Texas Instruments for long-term availability and technical assistance