PCA9535EDTR2G

Product Overview

Category

PCA9535EDTR2G belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• 16-bit I/O expander with I2C interface
• Low standby current consumption
• Wide operating voltage range
• High noise immunity
• Schmitt trigger inputs
• Open-drain interrupt output
• ESD protection exceeding JESD 22

Package

PCA9535EDTR2G is available in a TSSOP-24 package.

Essence

The essence of PCA9535EDTR2G lies in its ability to provide additional I/O ports for microcontrollers or other digital devices, thereby expanding their capabilities.

Packaging/Quantity

It is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Supply Voltage: 2.3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Frequency: Up to 400 kHz
• Number of I/O Ports: 16
• Input/Output Voltage Level: 0V to VDD

Detailed Pin Configuration

1. SDA (Serial Data)
2. SCL (Serial Clock)
3. INT (Interrupt Output)
4. A0 (Address Bit 0)
5. A1 (Address Bit 1)
6. A2 (Address Bit 2)
7. GND (Ground)
8. P00 (Port 0, Bit 0)
9. P01 (Port 0, Bit 1)
10. P02 (Port 0, Bit 2)
11. P03 (Port 0, Bit 3)
12. P04 (Port 0, Bit 4)
13. P05 (Port 0, Bit 5)
14. P06 (Port 0, Bit 6)
15. P07 (Port 0, Bit 7)
16. VDD (Supply Voltage)
17. P10 (Port 1, Bit 0)
18. P11 (Port 1, Bit 1)
19. P12 (Port 1, Bit 2)
20. P13 (Port 1, Bit 3)
21. P14 (Port 1, Bit 4)
22. P15 (Port 1, Bit 5)
23. P16 (Port 1, Bit 6)
24. P17 (Port 1, Bit 7)

Functional Features

• Bidirectional I/O ports
• Individual port configuration
• Interrupt capability
• Software reset function
• Power-on reset
• Noise filtering on SDA/SCL inputs

Advantages and Disadvantages

Advantages

• Provides additional I/O ports without requiring extra pins on the microcontroller
• Low power consumption in standby mode
• Wide operating voltage range allows compatibility with various systems
• High noise immunity ensures reliable operation in noisy environments

Disadvantages

• Limited number of I/O ports (16 in total)
• Requires an I2C interface for communication

Working Principles

PCA9535EDTR2G operates as an I/O expander by communicating with a microcontroller or other digital devices through the I2C bus. It receives commands from the master device and controls the input/output states of its ports accordingly. The interrupt output can be used to notify the master device of any changes in the input states.

Detailed Application Field Plans

PCA9535EDTR2G finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Internet of Things (IoT) devices - Robotics

Detailed and Complete Alternative Models

Some alternative models to PCA9535EDTR2G include: - PCA9554PW, 8-bit I/O expander with I2C interface - MCP23017-E/SP, 16-bit I/O expander with I2C interface - MAX7313AUG+, 16-bit I/O expander with SPI interface

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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