PCAL9554BPWJ - NXP Semiconductors

Manufacturer Part Number

PCAL9554BPWJ

Manufacturer

NXP Semiconductors

Introduction

The PCAL9554BPWJ is an 8-bit I2C and SMBus-compatible I/O expander with an interrupt output. It features a Power-On Reset (POR) function and supports both open-drain and push-pull output types. This device can be used to expand the number of available digital input/output (I/O) pins in a system.

Product Features and Performance

8 bits of general-purpose digital I/O

I2C and SMBus compatible interface

Interrupt output

Power-On Reset (POR) function

Supports both open-drain and push-pull output types

Capable of sourcing/sinking up to 10mA/25mA per output

Operating frequency up to 400kHz

Wide supply voltage range of 1.65V to 5.5V

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

Product Advantages

Expands the number of available digital I/O pins in a system

Flexible output types (open-drain and push-pull) to meet diverse application requirements

Wide operating voltage and temperature ranges for versatile use

Interrupt output for efficient event detection and system management

Key Reasons to Choose This Product

Proven and reliable NXP technology for robust performance

Versatile I/O expansion capabilities to enhance system functionality

Cost-effective solution for expanding digital I/O in space-constrained designs

Broad compatibility with various microcontrollers and processors

Quality and Safety Features

Designed and manufactured to NXP's high-quality standards

Robust design for reliable operation in diverse environments

Compatibility

The PCAL9554BPWJ is compatible with a wide range of microcontrollers and processors that support the I2C or SMBus interface.

Application Areas

Industrial automation and control systems

Home and building automation

Embedded systems

IoT devices

General-purpose I/O expansion

Product Lifecycle

The PCAL9554BPWJ is an active product, and there are no immediate plans for discontinuation. NXP offers several equivalent or alternative models, such as the PCAL9534, PCAL9538A, and PCAL9539A, which may provide different feature sets or package options to suit specific application requirements. Customers are advised to contact our website's sales team for more information on the available options and to determine the best solution for their needs.