PCA9535CHF,118

Product Overview

Category

PCA9535CHF,118 belongs to the category of integrated circuits (ICs).

Use

It is commonly used for controlling and expanding the input/output (I/O) capabilities of microcontrollers or other digital devices.

Characteristics

• PCA9535CHF,118 is a 16-bit I/O expander with an I2C interface.
• It provides 16 programmable GPIO pins that can be configured as inputs or outputs.
• The device operates at a voltage range of 2.3V to 5.5V.
• It has a low standby current consumption, making it suitable for battery-powered applications.
• PCA9535CHF,118 is available in a compact and surface-mountable package.

Package

The PCA9535CHF,118 is packaged in a small outline package (SOT) with a lead-free finish.

Essence

The essence of PCA9535CHF,118 lies in its ability to expand the I/O capabilities of digital devices through its 16 programmable GPIO pins.

Packaging/Quantity

The PCA9535CHF,118 is typically sold in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 2.3V to 5.5V
• Number of GPIO Pins: 16
• Interface: I2C
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT

Detailed Pin Configuration

The PCA9535CHF,118 has a total of 20 pins. The detailed pin configuration is as follows:

1. SDA (Serial Data)
2. SCL (Serial Clock)
3. A0 (Address Bit 0)
4. A1 (Address Bit 1)
5. A2 (Address Bit 2)
6. GND (Ground)
7. P00 (GPIO Pin 0)
8. P01 (GPIO Pin 1)
9. P02 (GPIO Pin 2)
10. P03 (GPIO Pin 3)
11. P04 (GPIO Pin 4)
12. P05 (GPIO Pin 5)
13. P06 (GPIO Pin 6)
14. P07 (GPIO Pin 7)
15. P10 (GPIO Pin 8)
16. P11 (GPIO Pin 9)
17. P12 (GPIO Pin 10)
18. P13 (GPIO Pin 11)
19. P14 (GPIO Pin 12)
20. VCC (Supply Voltage)

Functional Features

• The PCA9535CHF,118 supports both input and output modes for each GPIO pin.
• It allows individual configuration of pins as inputs or outputs.
• The device can be controlled and programmed through the I2C interface.
• PCA9535CHF,118 provides interrupt functionality for efficient event-driven applications.

Advantages and Disadvantages

Advantages

• Compact size and surface-mountable package.
• Low standby current consumption.
• Wide operating voltage range.
• Easy integration with microcontrollers and digital devices.
• Configurable GPIO pins provide flexibility in various applications.

Disadvantages

• Limited number of GPIO pins (16).
• Requires I2C interface support from the host device.

Working Principles

The PCA9535CHF,118 operates based on the I2C communication protocol. It acts as an I/O expander by receiving commands and data from a microcontroller or host device through the I2C bus. The device interprets these commands to configure the GPIO pins as either inputs or outputs. It can also read the status of input pins and drive the output pins accordingly.

Detailed Application Field Plans

The PCA9535CHF,118 finds applications in various fields, including but not limited to:

1. Industrial automation: Controlling and monitoring multiple sensors and actuators.
2. Home automation: Expanding the I/O capabilities of smart home devices.
3. Automotive electronics: Interface expansion for automotive control systems.
4. Internet of Things (IoT): Enabling connectivity and control for IoT devices.
5. Robotics: I/O expansion for controlling robot peripherals.

Detailed and Complete Alternative Models

1. PCA9534PW,112
2. MCP23017-E/SP
3. MAX7313ATG+
4. TCA6416ARGTR
5. PCF8574APW,118

These alternative models offer similar functionality and can be considered as alternatives to PCA9535CHF,118 depending on specific requirements and availability.

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