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PCA9535D,118
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PCA9535D,118

Product Overview

Category

PCA9535D,118 belongs to the category of integrated circuits (ICs).

Use

The PCA9535D,118 is commonly used as an I/O expander for microcontrollers or other digital systems. It provides additional input/output pins, allowing for increased connectivity and flexibility in electronic designs.

Characteristics

  • I2C-bus interface compatibility
  • 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

The PCA9535D,118 is available in a small outline package (SOT96-1), also known as a TSSOP-24 package.

Essence

The essence of PCA9535D,118 lies in its ability to expand the number of I/O pins available in a system, enabling efficient communication between microcontrollers and peripheral devices.

Packaging/Quantity

The PCA9535D,118 is typically packaged in reels, with 2500 units per reel.

Specifications

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

Detailed Pin Configuration

The PCA9535D,118 has a total of 24 pins, which are configured as follows:

  • Pin 1: SDA (Serial Data)
  • Pin 2: SCL (Serial Clock)
  • Pins 3-10: I/O0-I/O7 (Bidirectional I/O Ports)
  • Pins 11-18: I/O8-I/O15 (Bidirectional I/O Ports)
  • Pin 19: INT (Interrupt Output)
  • Pin 20: A0 (Address Bit 0)
  • Pin 21: A1 (Address Bit 1)
  • Pin 22: A2 (Address Bit 2)
  • Pins 23-24: GND (Ground) and VDD (Supply Voltage)

Functional Features

The PCA9535D,118 offers the following functional features:

  1. I2C-bus interface compatibility allows for easy integration with microcontrollers.
  2. The 16-bit remote bidirectional I/O port expands the number of available I/O pins.
  3. Low standby current consumption ensures energy efficiency.
  4. Schmitt trigger inputs provide noise suppression for reliable signal processing.
  5. The open-drain interrupt output can be used to trigger events in the system.
  6. Polarity inversion register allows for flexible signal polarity configuration.
  7. Internal power-on reset ensures proper initialization upon power-up.

Advantages and Disadvantages

Advantages

  • Increased connectivity and flexibility in electronic designs.
  • Compatibility with I2C-bus interface simplifies integration.
  • Low standby current consumption for energy efficiency.
  • Noise suppression through Schmitt trigger inputs.
  • Flexible signal polarity configuration.

Disadvantages

  • Limited to 16-bit bidirectional I/O ports.
  • Requires additional components for complete functionality.

Working Principles

The PCA9535D,118 operates by communicating with a microcontroller or digital system through the I2C-bus interface. It receives commands and data from the microcontroller and uses them to control the bidirectional I/O ports. The I/O ports can be configured as inputs or outputs, allowing for communication with external devices. The device also includes features such as interrupt output and polarity inversion, enhancing its functionality and versatility.

Detailed Application Field Plans

The PCA9535D,118 finds applications in various fields, including:

  1. Industrial automation: Used to expand I/O capabilities in control systems.
  2. Consumer electronics: Enables connectivity and control of peripheral devices.
  3. Internet of Things (IoT): Facilitates communication between microcontrollers and IoT devices.
  4. Automotive electronics: Provides additional I/O pins for vehicle control systems.
  5. Robotics: Enhances the connectivity and flexibility of robotic systems.

Detailed and Complete Alternative Models

  1. PCA9535PW,118: Similar to PCA9535D,118 but available in a TSSOP-24 package.
  2. PCA9555PW,118: 16-bit I/O expander with enhanced features and compatibility.
  3. MCP23017-E/SP: I/O expander with 16-bit bidirectional I/O ports and I2C interface.
  4. MAX7313ATG+: 16-bit I/O expander with serial interface and interrupt output.

These alternative models offer similar functionality and can be considered as alternatives to PCA9535D,118 based on specific requirements.

In conclusion, the PCA9535D,118 is an integrated circuit that serves as an I/O

技術ソリューションにおける PCA9535D,118 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of PCA9535D,118:

  1. Q: What is PCA9535D,118? A: PCA9535D,118 is a 16-bit I/O expander with an I2C interface, which allows for easy expansion of GPIO pins in various technical solutions.

  2. Q: How many GPIO pins does PCA9535D,118 provide? A: PCA9535D,118 provides 16 GPIO pins that can be configured as inputs or outputs.

  3. Q: What is the operating voltage range of PCA9535D,118? A: PCA9535D,118 operates within a voltage range of 2.3V to 5.5V.

  4. Q: Can PCA9535D,118 handle higher voltages on its GPIO pins? A: No, PCA9535D,118 is not designed to handle voltages higher than its operating voltage range. External level-shifting circuitry may be required.

  5. Q: How do I communicate with PCA9535D,118 using I2C? A: PCA9535D,118 uses the I2C protocol for communication. You need to connect it to your microcontroller or host device using SDA (data) and SCL (clock) lines.

  6. Q: Can I use multiple PCA9535D,118 devices in the same system? A: Yes, you can use multiple PCA9535D,118 devices in the same system by assigning unique I2C addresses to each device.

  7. Q: How can I configure the GPIO pins as inputs or outputs? A: The configuration of GPIO pins is done through the I2C interface by writing to the appropriate registers. The datasheet provides detailed information on the configuration process.

  8. Q: Can PCA9535D,118 generate interrupts on GPIO pin changes? A: Yes, PCA9535D,118 supports interrupt generation on GPIO pin changes. You can configure it to generate an interrupt signal that can be used by your microcontroller or host device.

  9. Q: What is the maximum current that PCA9535D,118 can sink/source on its GPIO pins? A: PCA9535D,118 can sink/source up to 25mA per GPIO pin, with a total package current limit of 100mA.

  10. Q: Are there any application examples or code samples available for PCA9535D,118? A: Yes, you can refer to the datasheet and application notes provided by the manufacturer for application examples and code samples using PCA9535D,118 in various technical solutions.

Please note that these answers are general and may vary depending on specific implementation details and requirements. It's always recommended to refer to the datasheet and consult the manufacturer's documentation for accurate and detailed information.