NXP USA Inc.
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PCA9534PW,112
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PCA9534PW,112

Product Overview

Category

PCA9534PW,112 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • I2C-bus interface compatibility
  • 8-bit remote I/O port with interrupt capability
  • Low standby current consumption
  • Schmitt trigger action on all inputs
  • Open-drain interrupt output
  • Noise filter on SDA/SCL inputs
  • ESD protection exceeds JESD 22

Package

PCA9534PW,112 is available in a TSSOP package.

Essence

The essence of PCA9534PW,112 lies in its ability to provide additional I/O ports and interrupt capabilities to electronic devices.

Packaging/Quantity

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

Specifications

  • Supply voltage: 2.3 V to 5.5 V
  • Input voltage range: 0 V to VDD
  • Operating temperature range: -40°C to +85°C
  • I2C-bus frequency: 100 kHz, 400 kHz, or 1 MHz

Detailed Pin Configuration

  1. A0: Address input pin
  2. A1: Address input pin
  3. A2: Address input pin
  4. INT: Interrupt output pin
  5. SDA: Serial data input/output pin
  6. SCL: Serial clock input pin
  7. GND: Ground pin
  8. VDD: Supply voltage pin
  9. P00-P07: I/O port pins

Functional Features

  • I2C-bus controlled 8-bit I/O expander
  • Configurable as inputs or outputs
  • Programmable polarity inversion
  • Internal power-on reset
  • Noise filter on SDA/SCL inputs

Advantages and Disadvantages

Advantages

  • Provides additional I/O ports for devices with limited pins
  • Low standby current consumption
  • Compatibility with I2C-bus interface simplifies integration

Disadvantages

  • Limited number of I/O ports (8-bit)

Working Principles

PCA9534PW,112 operates by receiving commands through the I2C-bus interface. It can be configured as either input or output ports based on the desired functionality. The device communicates with the microcontroller or host system to control the I/O ports and monitor their status.

Detailed Application Field Plans

PCA9534PW,112 finds applications in various fields, including but not limited to: 1. Home automation systems 2. Industrial control systems 3. Automotive electronics 4. Consumer electronics 5. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to PCA9534PW,112 are: 1. PCA9554PW,118 2. MCP23008-I/SS 3. MAX7313ATE+ 4. TCA9539PW,118 5. PCF8574T/3,518

These alternative models can be considered based on specific requirements and compatibility with the target system.

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Énumérez 10 questions et réponses courantes liées à l'application de PCA9534PW,112 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of PCA9534PW,112:

  1. Q: What is PCA9534PW,112? A: PCA9534PW,112 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: What is the operating voltage range of PCA9534PW,112? A: The operating voltage range of PCA9534PW,112 is typically between 2.3V and 5.5V.

  3. Q: How many GPIO pins can be controlled using PCA9534PW,112? A: PCA9534PW,112 provides 16 GPIO pins that can be individually controlled.

  4. Q: Can PCA9534PW,112 be used as both input and output pins? A: Yes, each GPIO pin of PCA9534PW,112 can be configured as either an input or an output pin.

  5. Q: What is the maximum current that can be sourced/sunk by each GPIO pin? A: Each GPIO pin of PCA9534PW,112 can source/sink up to 25mA of current.

  6. Q: How can I communicate with PCA9534PW,112 using an I2C interface? A: PCA9534PW,112 uses the I2C protocol, so you can communicate with it by sending appropriate I2C commands and data through the SDA and SCL lines.

  7. Q: Can PCA9534PW,112 be cascaded with other I2C devices? A: Yes, PCA9534PW,112 supports I2C bus addressing, allowing multiple devices to be connected on the same bus.

  8. Q: Is there any built-in interrupt functionality in PCA9534PW,112? A: No, PCA9534PW,112 does not have built-in interrupt functionality. However, you can use the GPIO pins to detect changes and generate interrupts externally.

  9. Q: Can PCA9534PW,112 be used in automotive applications? A: Yes, PCA9534PW,112 is suitable for automotive applications as it operates within the specified voltage range and has ESD protection.

  10. Q: Are there any application examples where PCA9534PW,112 can be used? A: PCA9534PW,112 can be used in various applications such as LED lighting control, keypad scanning, general-purpose I/O expansion, and many more.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.