PCA9553D/01,112

Product Overview

• Category: Integrated Circuit
• Use: Digital I/O Expander
• Characteristics: Low-voltage, 16-bit I2C-bus and SMBus I/O expander with interrupt output and configuration registers
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Expand the number of I/O pins available to a microcontroller or other digital device
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.3V to 5.5V
• Number of I/O Pins: 16
• I2C-bus Frequency: Up to 400 kHz
• Interrupt Output: Active-Low Open-Drain
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCA9553D/01,112 has a total of 20 pins. The pin configuration is as follows:

1. A0: Address Input Bit 0
2. A1: Address Input Bit 1
3. A2: Address Input Bit 2
4. SDA: Serial Data Line
5. SCL: Serial Clock Line
6. INT: Interrupt Output
7. P0-P7: General Purpose I/O Pins

Functional Features

• 16 programmable I/O pins
• Individual direction control for each I/O pin
• Internal power-on reset
• Noise filter on SCL/SDA inputs
• Polarity inversion register for input port data
• Active-low interrupt output
• Low standby current consumption

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Flexible I/O pin configuration provides versatility in different applications - Low standby current consumption helps conserve power - Noise filter improves signal integrity

Disadvantages: - Limited number of I/O pins (16) - Requires an external microcontroller or digital device for control and communication

Working Principles

The PCA9553D/01,112 is controlled through the I2C-bus or SMBus interface. It acts as a bridge between the microcontroller and the external devices by expanding the available I/O pins. The microcontroller sends commands and data to the PCA9553D/01,112, which then controls the corresponding I/O pins based on the received instructions.

Detailed Application Field Plans

The PCA9553D/01,112 finds applications in various fields, including but not limited to:

1. Industrial automation: Used for controlling sensors, actuators, and other peripheral devices.
2. Home automation: Enables control of lights, switches, and appliances.
3. Automotive electronics: Provides additional I/O pins for controlling various components.
4. Internet of Things (IoT): Facilitates connectivity and control of IoT devices.
5. Robotics: Helps in managing multiple sensors and actuators in robotic systems.

Alternative Models

1. PCA9553PW,118
2. PCA9553BS,118
3. PCA9553DB,118
4. PCA9553DP,118
5. PCA9553DT,118

These alternative models offer similar functionality and can be considered as substitutes for the PCA9553D/01,112.

In conclusion, the PCA9553D/01,112 is a versatile digital I/O expander integrated circuit that provides additional I/O pins for microcontrollers and digital devices. Its low-voltage operation, flexible configuration, and various application possibilities make it a valuable component in many electronic systems.