Diodes Incorporated
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PI4IOE5V9537UEX
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PI4IOE5V9537UEX

Product Overview

  • Category: Integrated Circuit
  • Use: I/O Expander
  • Characteristics: High voltage level shifting, low power consumption
  • Package: QFN (Quad Flat No-leads)
  • Essence: Expands the number of available I/O pins in a microcontroller
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • Number of I/O Pins: 16
  • Maximum Output Current: 25mA per pin
  • Operating Temperature Range: -40°C to +85°C
  • Communication Interface: I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

The PI4IOE5V9537UEX has a total of 24 pins. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. GND - Ground
  3. SDA - Serial Data Line (I2C)
  4. SCL - Serial Clock Line (I2C)
  5. INT - Interrupt output
  6. RESET - Reset input
  7. IO0 - I/O pin 0
  8. IO1 - I/O pin 1
  9. IO2 - I/O pin 2
  10. IO3 - I/O pin 3
  11. IO4 - I/O pin 4
  12. IO5 - I/O pin 5
  13. IO6 - I/O pin 6
  14. IO7 - I/O pin 7
  15. IO8 - I/O pin 8
  16. IO9 - I/O pin 9
  17. IO10 - I/O pin 10
  18. IO11 - I/O pin 11
  19. IO12 - I/O pin 12
  20. IO13 - I/O pin 13
  21. IO14 - I/O pin 14
  22. IO15 - I/O pin 15
  23. VDDIO - I/O supply voltage
  24. GNDIO - I/O ground

Functional Features

  • High voltage level shifting: Allows interfacing with devices operating at different voltage levels.
  • Low power consumption: Optimized for battery-powered applications, reducing energy consumption.
  • Interrupt output: Provides a signal to the microcontroller when an event occurs on any of the I/O pins.
  • Reset input: Allows resetting the device and restoring default settings.

Advantages and Disadvantages

Advantages: - Increases the number of available I/O pins in a microcontroller, expanding its capabilities. - Supports high voltage level shifting, enabling compatibility with various devices. - Low power consumption extends battery life in portable applications. - Interrupt functionality enhances responsiveness to external events.

Disadvantages: - Limited number of I/O pins (16) compared to other expanders available in the market. - Requires I2C communication interface support from the microcontroller.

Working Principles

The PI4IOE5V9537UEX operates as an I/O expander by utilizing the I2C communication protocol. It acts as a bridge between the microcontroller and external devices, allowing the microcontroller to control and monitor additional I/O pins beyond its native capacity. The device receives commands and data through the I2C bus and translates them into corresponding actions on the I/O pins. It supports bidirectional communication, enabling both input and output operations.

Detailed Application Field Plans

The PI4IOE5V9537UEX finds applications in various fields, including:

  1. Internet of Things (IoT): Enables connectivity and control of multiple sensors and actuators in IoT devices.
  2. Industrial Automation: Expands the number of I/O pins in programmable logic controllers (PLCs) for interfacing with sensors, switches, and other industrial equipment.
  3. Consumer Electronics: Enhances the functionality of devices such as smart home systems, wearable devices, and gaming consoles by providing additional I/O capabilities.
  4. Automotive: Facilitates the integration of various automotive components, including lighting controls, sensors, and infotainment systems.
  5. Medical Devices: Enables the connection of multiple sensors and actuators in medical equipment, enhancing their functionality and versatility.

Detailed and Complete Alternative Models

  1. PCA9538 - 8-bit I2C-bus and SMBus I/O expander
  2. MCP23017 - 16-bit I/O expander with I2C interface
  3. MAX7313 - 16-port I/O expander with serial interface
  4. TCA6424A - 24-bit I2C and SMBus I/O expander
  5. PCF8574 - Remote 8-bit I/O expander for I2C-bus

These alternative models offer similar functionality to the PI4IOE5V9537UEX and can

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem PI4IOE5V9537UEX w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of PI4IOE5V9537UEX in technical solutions:

  1. Q: What is PI4IOE5V9537UEX? A: PI4IOE5V9537UEX is a versatile I/O expander with an integrated level shifter, which allows for easy expansion of GPIO pins in various applications.

  2. Q: What is the voltage range supported by PI4IOE5V9537UEX? A: PI4IOE5V9537UEX supports a wide voltage range from 1.65V to 5.5V, making it compatible with a variety of microcontrollers and devices.

  3. Q: How many GPIO pins can be expanded using PI4IOE5V9537UEX? A: PI4IOE5V9537UEX can expand up to 16 GPIO pins, providing additional digital input/output capabilities for your project.

  4. Q: Can PI4IOE5V9537UEX handle bidirectional communication? A: Yes, PI4IOE5V9537UEX supports bidirectional communication, allowing both input and output operations on its expanded GPIO pins.

  5. Q: Is PI4IOE5V9537UEX compatible with I2C interface? A: Yes, PI4IOE5V9537UEX communicates with the host microcontroller using the I2C interface, making it easy to integrate into existing I2C-based systems.

  6. Q: Can PI4IOE5V9537UEX handle interrupt signals? A: Yes, PI4IOE5V9537UEX has built-in interrupt functionality, enabling efficient event-driven programming and reducing the need for continuous polling.

  7. Q: What is the maximum frequency supported by PI4IOE5V9537UEX? A: PI4IOE5V9537UEX can operate at a maximum frequency of 400 kHz, allowing for fast and responsive communication with the host microcontroller.

  8. Q: Does PI4IOE5V9537UEX have built-in ESD protection? A: Yes, PI4IOE5V9537UEX features built-in ESD protection on its I/O pins, ensuring robustness and reliability in harsh environments.

  9. Q: Can PI4IOE5V9537UEX be used in low-power applications? A: Yes, PI4IOE5V9537UEX has a low standby current consumption, making it suitable for power-sensitive applications where energy efficiency is crucial.

  10. Q: Are there any application examples for PI4IOE5V9537UEX? A: Yes, PI4IOE5V9537UEX can be used in various applications such as industrial automation, consumer electronics, IoT devices, robotics, and more to expand GPIO capabilities and simplify I/O management.

I hope these questions and answers provide you with useful information about the application of PI4IOE5V9537UEX in technical solutions!