Manufacturer Part Number
PCA9554APW
Manufacturer
Texas Instruments
Introduction
PCA9554APW is an 8-bit I/O expander with an I2C and SMBus compatible interface, designed for low-voltage operation and capable of enhancing system control and power management.
Product Features and Performance
8 I/O pins expandable through I2C and SMBus interface
Push-Pull output type with interrupt output feature
Power-on Reset (POR) functionality ensures reliable start-up
Supports clock frequency up to 400 kHz
Compatible with 2.3V to 5.5V power supplies
Product Advantages
Flexible power options facilitating use with various voltage levels
Increased output drive capability with multiple source/sink currents
Enhanced system reliability through POR feature
Key Technical Parameters
Number of I/O: 8
Interface: I2C, SMBus
Current Output Source/Sink: 10mA, 25mA
Clock Frequency: 400 kHz
Voltage Supply: 2.3V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: 16-TSSOP (0.173", 4.40mm Width)
Quality and Safety Features
Engineered with Superior ESD protection
Operating temperature range suitable for various industrial environments
Compatibility
Interface compatible with I2C and SMBus standards
Mountable in 16-TSSOP package, allowing flexible PCB design
Application Areas
Used in server systems, power management systems, and peripheral control
Product Lifecycle
Status: Last Time Buy
Suggest reviewing replacement models or upgrades for long-term projects
Several Key Reasons to Choose This Product
High integration with 8 I/Os enhances system management
Robust communication through I2C and SMBus supports complex operations
The broad operating voltage range and compatibility give versatility in applications
Reliable performance assured by integrated POR and meticulous design for industrial temperature resilience
Last Time Buy status provides the opportunity to stock for future needs while planning migration to newer technologies
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