Manufacturer Part Number
TCA9555RGER
Manufacturer
Texas Instruments
Introduction
TCA9555RGER is a 16-bit I2C and SMBus I/O expander from Texas Instruments, ideal for expanding I/O ports when microcontroller I/O is limited.
Product Features and Performance
16 I/O ports expandable via I2C and SMBus interface
Interrupt output feature
Power-on reset (POR)
Push-pull output type
High-speed clock frequency of 400 kHz
Product Advantages
Increases available I/O ports efficiently
Supports low power consumption and wide voltage range from 1.65V to 5.5V
Robust operating temperature range suitable for diverse environments (-40°C to 85°C)
Key Technical Parameters
Number of I/O: 16
Interface: I2C, SMBus
Output Type: Push-Pull
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
Built-in Power-on reset (POR) ensures reliable operations during power transitions
Compatibility
Compatible with various microcontrollers and processors via I2C and SMBus interfaces
Application Areas
Industrial automation
Consumer electronics
Mobile applications
Embedded systems
Product Lifecycle
Product Status: Active
Not nearing discontinuation, extended support and components available
Upgrade options available for future scalability
Several Key Reasons to Choose This Product
Enhanced expandability of I/O ports seamlessly integrates with existing technology through common interfaces
High clock speed and robust feature set designed for demanding applications
Extensive operating temperature range making it suitable for industrial and harsh environments
Reliable power management and safety features ensure consistent performance and system integrity during power fluctuations