PCA9535CPW,118

Product Overview

Category

PCA9535CPW,118 belongs to the category of integrated circuits (ICs).

Use

It is commonly used for input/output (I/O) expansion in various electronic devices.

Characteristics

• High-speed I2C interface
• 16-bit remote bidirectional I/O port
• Low standby current consumption
• Schmitt trigger inputs for noise suppression
• Open-drain interrupt output
• Polarity inversion register
• Internal power-on reset

Package

PCA9535CPW,118 is available in a small outline (SO) package.

Essence

The essence of PCA9535CPW,118 lies in its ability to provide additional I/O ports for electronic devices, enabling efficient communication and control.

Packaging/Quantity

It is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 2.3V to 5.5V
• Input voltage range: 0V to VDD
• Output voltage range: 0V to VDD
• Maximum output current: 25mA
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

1. SDA: Serial data input/output pin
2. SCL: Serial clock input pin
3. A0: Address selection input pin
4. A1: Address selection input pin
5. RESET: Active-low reset input pin
6. INT: Interrupt output pin 7-24. P0-P7: Bidirectional I/O pins

Functional Features

• I2C-bus interface allows easy integration into existing systems
• Bidirectional I/O ports enable flexible input/output configurations
• Interrupt output pin facilitates event-driven applications
• Address selection pins allow multiple devices on the same bus

Advantages and Disadvantages

Advantages

• High-speed interface for efficient data transfer
• Low power consumption for energy-efficient operation
• Noise suppression capability ensures reliable performance
• Compact package size for space-constrained applications

Disadvantages

• Limited number of I/O ports may not suffice for complex systems
• Lack of built-in protection features against voltage spikes or ESD events

Working Principles

PCA9535CPW,118 utilizes the I2C-bus protocol to communicate with a microcontroller or other devices. It acts as an I/O expander, providing additional digital input/output ports. The device can be controlled by sending commands through the serial data (SDA) and serial clock (SCL) pins. The bidirectional I/O ports can be configured as inputs or outputs based on the desired application.

Detailed Application Field Plans

PCA9535CPW,118 finds applications in various fields, including but not limited to: 1. Industrial automation: Control and monitoring of sensors, actuators, and peripheral devices. 2. Consumer electronics: Expansion of I/O ports in smart home devices, gaming consoles, etc. 3. Automotive: Integration into vehicle control systems for enhanced functionality. 4. Internet of Things (IoT): Enabling connectivity and control in IoT devices. 5. Robotics: I/O expansion for controlling motors, sensors, and communication interfaces.

Detailed and Complete Alternative Models

1. PCA9555PW,118: Similar I/O expander with 16-bit bidirectional I/O ports.
2. MCP23017-E/SP: I2C-based I/O expander with 16-bit I/O ports and interrupt capabilities.
3. MAX7313ATG+: 16-bit I/O expander with serial interface and configurable I/O pins.

These alternative models offer similar functionality and can be considered as substitutes for PCA9535CPW,118 based on specific requirements.

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