PCA9536D,118

Product Overview

Category

PCA9536D,118 belongs to the category of integrated circuits (ICs).

Use

The PCA9536D,118 is commonly used as an 8-bit I2C-bus and SMBus I/O expander. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C-bus interface.

Characteristics

• 8-bit remote I/O expander
• Low standby current consumption
• Compatible with I2C-bus and SMBus interfaces
• Supports 100 kHz and 400 kHz I2C-bus data rates
• 5 V tolerant inputs
• Open-drain interrupt output
• Active-low reset input
• Noise filter on SCL/SDA inputs
• No glitch on power-up
• Internal power-on reset

Package

The PCA9536D,118 is available in a small package known as TSSOP16. This package offers a compact size and easy integration into various electronic devices.

Essence

The essence of PCA9536D,118 lies in its ability to expand the input/output capabilities of microcontrollers through the I2C-bus interface.

Packaging/Quantity

The PCA9536D,118 is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage: 2.3 V to 5.5 V
• Input voltage range: 0 V to VDD
• Output voltage range: 0 V to VDD
• Operating temperature range: -40°C to +85°C
• I2C-bus frequency: 100 kHz and 400 kHz
• Number of I/O pins: 8

Detailed Pin Configuration

The PCA9536D,118 has a total of 16 pins, which are assigned specific functions as follows:

1. SDA: Serial data input/output pin for I2C-bus communication.
2. SCL: Serial clock input pin for I2C-bus communication.
3. RESET: Active-low reset input pin. 4-11. P0-P7: General-purpose I/O pins.
4. INT: Open-drain interrupt output pin. 13-16. GND: Ground pins.

Functional Features

I2C-Bus Interface

The PCA9536D,118 utilizes the I2C-bus interface to communicate with microcontrollers. This allows for easy integration and control of the device's input/output functions.

Remote I/O Expansion

With its 8-bit remote I/O expander capability, the PCA9536D,118 enables the expansion of a microcontroller's I/O capabilities. This is particularly useful when additional input/output pins are required for various applications.

Low Standby Current Consumption

The PCA9536D,118 is designed to consume low standby current, making it suitable for battery-powered devices or applications where power efficiency is crucial.

Noise Filter

The device features a noise filter on its SCL/SDA inputs, ensuring reliable communication in noisy environments.

Power-On Reset

An internal power-on reset circuit ensures proper initialization of the device upon power-up, eliminating glitches and ensuring stable operation.

Advantages and Disadvantages

Advantages

• Easy integration with microcontrollers via I2C-bus interface
• Compact size and package for space-constrained applications
• Low standby current consumption for power efficiency
• Noise filter for reliable communication in noisy environments
• Internal power-on reset for glitch-free startup

Disadvantages

• Limited number of I/O pins (8) compared to some other I/O expanders
• Requires familiarity with I2C-bus communication protocol for proper usage

Working Principles

The PCA9536D,118 operates by receiving commands and data from a microcontroller through the I2C-bus interface. It interprets these commands to control the state of its I/O pins, allowing for input or output operations as required. The device communicates with the microcontroller using standard I2C-bus protocols, enabling seamless integration into various systems.

Detailed Application Field Plans

The PCA9536D,118 finds applications in a wide range of fields, including but not limited to:

1. Home automation systems: Controlling lights, fans, and other appliances remotely.
2. Industrial automation: Expanding I/O capabilities of PLCs (Programmable Logic Controllers) for controlling machinery and equipment.
3. Automotive electronics: Providing additional I/O pins for controlling various functions in vehicles.
4. Internet of Things (IoT): Enabling remote monitoring and control of devices connected to IoT networks.
5. Consumer electronics: Integrating with microcontrollers in devices such as smart TVs, gaming consoles, and home security systems.

Detailed and Complete Alternative Models

1. PCA