PCA9539RBS,118

PCA9539RBS,118

Product Overview

Category

PCA9539RBS,118 belongs to the category of integrated circuits (ICs).

Use

It is commonly used for controlling and expanding the input/output (I/O) capabilities of microcontrollers or other digital devices.

Characteristics

• Low-voltage, 16-bit I2C-bus and SMBus I/O expander
• Provides 16 programmable GPIO pins
• Supports interrupt output
• Wide supply voltage range: 1.65V to 5.5V
• Low standby current consumption
• ESD protection exceeds 2000V HBM per JESD22-A114 and 1000V CDM per JESD22-C101

Package

PCA9539RBS,118 is available in a small outline package (SOT457), which is a surface-mount package with four leads.

Essence

The essence of PCA9539RBS,118 lies in its ability to provide additional I/O pins for digital devices, enabling them to interface with various external components.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• I2C-bus Frequency: Up to 400 kHz
• Number of GPIO Pins: 16
• Interrupt Output: Yes
• Standby Current: 1 μA (typical)

Detailed Pin Configuration

The pin configuration of PCA9539RBS,118 is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | SDA | Serial Data Input/Output | | 2 | SCL | Serial Clock Input | | 3 | A0 | Address Input | | 4 | GND | Ground | | 5 | P00-P07 | GPIO Pins | | 6 | P10-P17 | GPIO Pins | | 7 | INT | Interrupt Output | | 8 | VCC | Supply Voltage |

Functional Features

• I2C-bus and SMBus compatible interface for communication with the host device
• Individual programmable input/output configuration for each GPIO pin
• Configurable polarity inversion register for input pins
• Programmable output current capability for driving external components
• Interrupt output for efficient event notification

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems
• Low standby current consumption helps conserve power
• ESD protection ensures robustness against electrostatic discharge
• Flexible configuration options enhance versatility in different applications

Disadvantages

• Limited number of GPIO pins (16) may not be sufficient for complex projects requiring a higher number of I/Os
• SOT457 package may require specialized equipment for soldering and handling

Working Principles

PCA9539RBS,118 operates by communicating with the host device through the I2C-bus or SMBus interface. The host device sends commands and data to configure the GPIO pins as inputs or outputs, set their logic levels, and control other features. The expander then performs the requested operations and provides status information back to the host device.

Detailed Application Field Plans

PCA9539RBS,118 finds application in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Internet of Things (IoT) devices - Robotics

In industrial automation, it can be used to expand the I/O capabilities of programmable logic controllers (PLCs) or industrial control systems. In consumer electronics, it can enable the control of external peripherals or provide additional input/output options for smart devices. In automotive systems, it can be utilized for controlling various sensors and actuators. In IoT devices, it can facilitate communication with external sensors and modules. In robotics, it can enhance the connectivity and control capabilities of robotic systems.

Detailed and Complete Alternative Models

Some alternative models to PCA9539RBS,118 that offer similar functionality include: - PCA9555PW,112 - MCP23017-E/SP - MAX7313ATE+ - TCA6416ARGTR

These alternatives may have slightly different specifications, pin configurations, or package options, but they serve the same purpose of expanding I/O capabilities.

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