PCF8575DBQR - Texas Instruments

Manufacturer Part Number

PCF8575DBQR

Manufacturer

Texas Instruments

Introduction

The PCF8575DBQR is a 16-bit I/O expander with SMBus/I2C interface from Texas Instruments. It provides a simple, cost-effective solution for expanding the input/output capabilities of microcontrollers or microprocessors.

Product Features and Performance

16 general-purpose I/O pins

Supports SMBus/I2C interface up to 400 kHz

Output drivers can source/sink up to 25 mA per pin

Configurable input/output direction for each pin

Interrupt output for event notification

Power-on reset (POR) function

Operating temperature range of -40°C to +85°C

Product Advantages

Provides additional I/O expansion for microcontrollers or microprocessors

Simple SMBus/I2C interface for easy integration

Versatile I/O functionality with configurable direction

Robust output drivers for driving various loads

Wide operating temperature range for diverse applications

Key Technical Parameters

Supply voltage: 2.5V to 5.5V

Clock frequency: up to 400 kHz

Output source/sink current: 1 mA to 25 mA per pin

Package: 24-SSOP (0.154", 3.90 mm width)

Quality and Safety Features

RoHS3 compliant

Tape and reel packaging for automated assembly

Compatibility

The PCF8575DBQR is compatible with various microcontrollers and microprocessors that support the SMBus/I2C interface.

Application Areas

Industrial automation

Embedded systems

Consumer electronics

Office equipment

Household appliances

Product Lifecycle

The PCF8575DBQR is an active product and is not currently nearing discontinuation. Texas Instruments offers replacement or upgrade options as needed.

Several Key Reasons to Choose This Product

Flexible I/O expansion with 16 configurable pins

Efficient SMBus/I2C interface for easy integration

Robust output drivers for driving various loads

Wide operating temperature range for diverse applications

RoHS3 compliance for environmental sustainability

Tape and reel packaging for automated assembly