PCA9536DGKRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The PCA9536DGKRG4 is a 4-bit I2C and SMBus I/O expander with an interrupt output and configurable I/O ports. It is designed to provide additional input/output (I/O) ports for microcontrollers or other digital devices.

Characteristics: - 4-bit I/O expander - I2C and SMBus compatible - Interrupt output - Configurable I/O ports

Package: The PCA9536DGKRG4 is available in a small 8-pin VSSOP package, which allows for easy integration into various electronic systems.

Essence: This IC serves as an interface between a microcontroller and external devices, expanding the number of available I/O ports and enabling communication between different components.

Packaging/Quantity: The PCA9536DGKRG4 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Low Standby Current: 1 μA (max)
• I2C Bus Frequency: 100 kHz, 400 kHz
• Operating Temperature Range: -40°C to +85°C
• RoHS Compliant: Yes

Pin Configuration

The PCA9536DGKRG4 has a total of 8 pins:

1. SDA: Serial Data Input/Output pin for I2C communication.
2. SCL: Serial Clock Input pin for I2C communication.
3. INT: Interrupt Output pin that indicates when an input state has changed.
4. A0: Address Select Input bit 0.
5. A1: Address Select Input bit 1.
6. RESET: Reset Input pin for resetting the device.
7. P0-P3: Configurable I/O Ports.
8. GND: Ground pin.

Functional Features

• I2C and SMBus compatible interface for easy integration with microcontrollers.
• 4-bit I/O expander allows for the control of up to 4 external devices.
• Interrupt output provides a signal when an input state changes, reducing the need for continuous polling.
• Configurable I/O ports allow for flexible usage based on specific application requirements.

Advantages and Disadvantages

Advantages: - Provides additional I/O ports, expanding the capabilities of microcontrollers. - Simplifies the design process by reducing the need for complex wiring. - Interrupt output feature improves efficiency by signaling input state changes. - Small package size enables space-saving integration into various electronic systems.

Disadvantages: - Limited to 4-bit I/O expansion, may not be suitable for applications requiring a larger number of I/O ports. - Requires I2C or SMBus communication protocol support from the microcontroller.

Working Principles

The PCA9536DGKRG4 operates as an I/O expander by communicating with a microcontroller through the I2C or SMBus interface. The microcontroller sends commands and data to the PCA9536DGKRG4, which then controls the state of the configurable I/O ports accordingly. The interrupt output pin signals the microcontroller when any of the input states change, allowing for efficient event-driven processing.

Detailed Application Field Plans

The PCA9536DGKRG4 can be utilized in various applications, including but not limited to: 1. Home automation systems 2. Industrial control systems 3. Internet of Things (IoT) devices 4. Robotics 5. Automotive electronics

In home automation systems, it can be used to control lighting, temperature sensors, and other peripheral devices. In industrial control systems, it can be employed to monitor and control machinery. In IoT devices, it can serve as an interface for sensors and actuators. In robotics, it can be used to control motors and sensors. In automotive electronics, it can be utilized for various control functions.

Detailed and Complete Alternative Models

1. PCA9534RGTR: 8-bit I2C and SMBus I/O expander with interrupt output.
2. MCP23017-E/SP: 16-bit I2C I/O expander with interrupt output.
3. MAX7313ATE+: 16-bit I2C GPIO expander with interrupt output.
4. TCA9539PW: 16-bit I2C and SMBus I/O expander with interrupt output.

These alternative models offer different capabilities in terms of the number of I/O ports and additional features, providing flexibility based on specific application requirements.

In conclusion, the PCA9536DGKRG4 is a 4-bit I/O expander IC that enables the expansion of I/O ports in microcontroller-based systems. With its I2C and SMBus compatibility, interrupt output, and configurable I/O ports, it offers advantages such as increased