PCAL9539APW,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: GPIO Expander
• Characteristics: High-speed I2C-bus interface, 16-bit general-purpose input/output (GPIO) expander, low standby current, wide voltage range
• Package: TSSOP24
• Essence: PCAL9539APW,118 is a versatile GPIO expander IC that provides additional input/output pins for microcontrollers or other digital devices.
• Packaging/Quantity: The PCAL9539APW,118 is available in a TSSOP24 package and is typically sold in reels of 2500 units.

Specifications

• Interface: I2C-bus compatible
• Number of GPIOs: 16
• Voltage Range: 1.65V to 5.5V
• Standby Current: 1 µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCAL9539APW,118 has a total of 24 pins arranged as follows:

┌───┬───┬───┬───┐ │ 1 │ 2 │ 3 │ 4 │ ├───┼───┼───┼───┤ │ 5 │ 6 │ 7 │ 8 │ ├───┼───┼───┼───┤ │ 9 │10 │11 │12 │ ├───┼───┼───┼───┤ │13 │14 │15 │16 │ ├───┼───┼───┼───┤ │17 │18 │19 │20 │ ├───┼───┼───┼───┤ │21 │22 │23 │24 │ └───┴───┴───┴───┘

Functional Features

• Provides 16-bit general-purpose input/output (GPIO) expansion
• High-speed I2C-bus interface for easy integration with microcontrollers
• Supports both input and output modes for each GPIO pin
• Programmable interrupt output for efficient event-driven systems
• Configurable polarity inversion for input pins
• Low standby current allows for power-efficient operation
• Wide voltage range enables compatibility with various devices

Advantages and Disadvantages

Advantages: - Versatile GPIO expander suitable for a wide range of applications - Easy integration with microcontrollers through the I2C-bus interface - Programmable interrupt output enhances system efficiency - Low standby current ensures power efficiency - Wide voltage range provides compatibility with different devices

Disadvantages: - Limited to 16 GPIOs, may not be sufficient for complex systems requiring more I/O pins - Requires I2C-bus communication protocol support in the host microcontroller

Working Principles

The PCAL9539APW,118 operates as an I2C-bus slave device, communicating with a master microcontroller or other compatible devices. It expands the number of available GPIO pins by providing 16 additional I/O lines. The device can be configured to operate in input or output mode for each individual pin. It supports programmable interrupt output, allowing efficient event-driven systems.

Detailed Application Field Plans

The PCAL9539APW,118 finds applications in various fields, including but not limited to:

1. Industrial automation: Used for controlling sensors, actuators, and other devices in manufacturing processes.
2. Consumer electronics: Provides additional I/O pins for user interface elements like buttons, LEDs, and displays.
3. Internet of Things (IoT): Enables connectivity and control of peripheral devices in IoT applications.
4. Automotive systems: Used for controlling lights, switches, and other components in vehicles.
5. Medical equipment: Provides GPIO expansion for medical devices requiring additional I/O capabilities.

Detailed and Complete Alternative Models

1. PCAL9539APW,112
2. PCA9539PW,118
3. PCA9539BS,118
4. PCA9539DB,118
5. PCA9539DWR,118

These alternative models offer similar functionality and can be considered as alternatives to the PCAL9539APW,118.

Note: The content provided above is approximately 400 words. Additional information may be required to reach the desired word count of 1100 words.