TCA9535MRGER - Texas Instruments

Manufacturer Part Number

TCA9535MRGER

Manufacturer

Texas Instruments

Introduction

The TCA9535MRGER is an I/O expander from Texas Instruments that allows for additional I/O ports via an I2C or SMBus interface.

Product Features and Performance

16 I/O ports

I2C and SMBus interface compatibility

Interrupt output capability

Features Power-On Reset (POR)

Push-Pull output type

Product Advantages

Provides a significant increase in I/O port availability

Supports both I2C and SMBus for flexible communication options

Interrupt feature enables efficient communication and system response

Push-Pull outputs for strong drive capability

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Features: POR

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

Designed to operate reliably within the specified temperature range

Built-in Power-On Reset for consistent initialization

Compatibility

Compatible with a wide range of microcontroller units (MCUs) via I2C or SMBus

Supports various voltage ranges for flexible system design

Application Areas

Integrated circuits for computing

Embedded systems

Automation systems

I/O port expansion in compact devices

Product Lifecycle

Product Status: Active

Not near discontinuation, ensuring long-term availability

Replacements or upgrades typically available as newer technology evolves

Several Key Reasons to Choose This Product

Increases system flexibility by adding more I/O ports

Seamless integration with existing microcontrollers and systems

Low power consumption suitable for portable and battery-powered applications

Compact 24-VFQFN package saves space on PCB designs

Active product status ensures long-term supplier support and availability