PCA9555BS,118 - NXP USA Inc.

Manufacturer Part Number

PCA9555BS,118

Manufacturer

NXP Semiconductors

Introduction

The PCA9555 is a 16-bit remote I/O expander with I2C-bus interface for analog or digital input/output expansion applications.

Product Features and Performance

16-bit general-purpose remote I/O expander

I2C-bus interface for easy system integration

400 kHz I2C-bus fast-mode compatible

Up to 16 individually configurable I/O pins

Interrupt output with configurable polarity and source

Programmable pull-up/pull-down resistors on each I/O pin

Power-on reset (POR) circuit

Wide supply voltage range: 2.3 V to 5.5 V

Low power consumption

Industrial operating temperature range: -40°C to +85°C

Product Advantages

Flexible I/O expansion via I2C-bus

Configurable pull-up/pull-down resistors on each I/O pin

Interrupt output for efficient system monitoring

Wide temperature and voltage operating ranges

Low power consumption

Key Technical Parameters

16 individually configurable I/O pins

Supply voltage range: 2.3 V to 5.5 V

I2C-bus clock frequency: up to 400 kHz

Output current: 10 mA source, 25 mA sink

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

Quality and Safety Features

RoHS3 compliant

24-pin HVQFN (4x4) exposed pad package

Compatibility

Can be used in a wide range of applications that require remote I/O expansion, such as industrial control systems, home automation, and consumer electronics.

Application Areas

Industrial control and automation

Home and building automation

Consumer electronics

Embedded systems

Product Lifecycle

The PCA9555 is currently an active product. No information on discontinuation or availability of replacements/upgrades.

Several Key Reasons to Choose This Product

Flexible and expandable I/O interface via I2C-bus

Configurable pull-up/pull-down resistors on each I/O pin

Interrupt output for efficient system monitoring

Wide operating temperature and voltage ranges

Low power consumption

Compact 24-pin HVQFN package