PCA9536DRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The PCA9536DRG4 is a 4-bit I2C and SMBus I/O expander with an interrupt output and configurable I/O pins. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C bus interface.

Characteristics: - 4 programmable I/O pins - Low standby current consumption - Interrupt output - Internal power-on reset - Noise filter on SCL/SDA inputs - 5V tolerant I/O ports - ESD protection exceeds JESD 22

Package: SOIC (Small Outline Integrated Circuit)

Essence: The PCA9536DRG4 is designed to minimize board space and provide reliable operation in harsh environments. It offers flexibility in expanding the number of I/O pins available for various applications.

Packaging/Quantity: The PCA9536DRG4 is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• I/O Voltage Range: 0V to VDD
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Frequency: Up to 400 kHz
• Standby Current: 1 μA (typical)
• Output Current: ±10 mA

Pin Configuration

The PCA9536DRG4 has a total of 8 pins, which are assigned as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | A0 | Address Input Bit 0 | | 2 | A1 | Address Input Bit 1 | | 3 | A2 | Address Input Bit 2 | | 4 | GND | Ground | | 5 | SDA | I2C Serial Data Line | | 6 | SCL | I2C Serial Clock Line | | 7 | INT | Interrupt Output | | 8 | VDD | Supply Voltage |

Functional Features

• I2C-bus and SMBus compatible interface
• Configurable as inputs or outputs
• Programmable polarity inversion
• Internal power-on reset
• Noise filter on inputs
• Low standby current consumption
• 5V tolerant I/O ports
• ESD protection for robustness

Advantages and Disadvantages

Advantages: - Compact size and low power consumption - Easy integration with microcontroller systems - Flexible configuration of I/O pins - Reliable operation in harsh environments - Wide supply voltage range

Disadvantages: - Limited number of I/O pins (only 4) - Requires I2C bus interface support in the microcontroller

Working Principles

The PCA9536DRG4 operates as an I/O expander by communicating with a microcontroller via the I2C bus. It can be configured as either input or output pins, allowing for flexible usage. The device is controlled by sending commands and data through the I2C bus, enabling the microcontroller to read or write to the I/O pins.

Detailed Application Field Plans

The PCA9536DRG4 finds applications in various fields, including but not limited to: 1. Industrial automation 2. Home automation 3. Internet of Things (IoT) devices 4. Robotics 5. Automotive electronics

In industrial automation, it can be used to expand the number of I/O pins available for controlling sensors, actuators, and other peripheral devices. In home automation, it enables the control of lighting systems, security sensors, and home appliances. In IoT devices, it provides additional I/O pins for sensor data acquisition and actuator control. In robotics, it facilitates the connection of various sensors and actuators to the main controller. In automotive electronics, it can be utilized for controlling lights, switches, and other vehicle functions.

Detailed and Complete Alternative Models

1. PCA9534RGTR: 8-bit I2C-bus and SMBus I/O expander
2. PCA9554ADBR: 8-bit I2C-bus and SMBus I/O expander with interrupt output
3. MCP23017-E/SP: 16-bit I2C-bus I/O expander with interrupt output
4. MAX7313ATG+: 16-bit I2C-bus and SMBus I/O expander with interrupt output
5. TCA9539PW: 16-bit I2C-bus and SMBus I/O expander with interrupt output

These alternative models offer different features and pin configurations, providing options based on specific requirements and application needs.

In conclusion, the PCA9536DRG4 is