Manufacturer Part Number
PCA9535BS,118
Manufacturer
NXP Semiconductors
Introduction
The PCA9535BS,118 is an Interface I2C and SMBus I/O Expander with 16 inputs/outputs, suitable for a wide range of applications that require additional I/O ports.
Product Features and Performance
16-bit I/O port expander
Interface options: I2C, SMBus
Interrupt output feature for event notification
Power-on Reset (POR)
Push-pull output type
I/O sinking and sourcing capability of 10mA and 25mA
Supports clock frequencies up to 400 kHz
Compatible with a wide voltage range from 2.3V to 5.5V
The operating temperature range is -40°C to 85°C
Surface mount form factor
Product Advantages
Extends available I/O pins in microcontroller-based systems
Low standby current suitable for battery-powered applications
No glitch on power-up thanks to integrated POR
Convenient monitoring of inputs through the interrupt output
Key Technical Parameters
Number of I/O: 16
Clock Frequency: 400 kHz
Voltage Supply Range: 2.3V to 5.5V
Operating Temperature Range: -40°C to 85°C
Output Current: 10mA source, 25mA sink
Quality and Safety Features
Compliant with I2C Fast-mode Plus specifications
Enhanced ESD protection design
Compatibility
Compatible with most microcontrollers with I2C or SMBus interfaces
Flexible interfacing with 2.3V to 5.5V systems
Application Areas
Embedded systems
Industrial control
Server management
Robotics
Home automation
Product Lifecycle
The product status is active
Not nearing discontinuation based on supplied data
Replacement and upgrade paths not specified
Several Key Reasons to Choose This Product
Provides 16 additional ports for MCU systems with limited I/O
Supports hot insertion
Ensures a responsive I/O extension with interrupt output capability
Enabled for both push-pull or open-drain configurations
Minimizes power usage with low operating and standby current
Designed for easy PCB placement with 24-VFQFN exposed pad package
Supports a broad range of industrial operating temperatures