Diodes Incorporated
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PI4IOE5V9522UEX
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PI4IOE5V9522UEX

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: IO Expander
  • Characteristics: High-speed, low-voltage, bidirectional voltage-level translator
  • Package: 24-pin QFN package
  • Essence: Provides voltage level translation between different IO voltages
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • IO Voltage: 1.2V to 5.5V
  • Number of Channels: 22
  • Maximum Frequency: 400 MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI4IOE5V9522UEX has a total of 24 pins. The pin configuration is as follows:

  1. VCCA - Supply voltage for the A-side IOs
  2. GND - Ground
  3. SDA - I2C serial data input/output
  4. SCL - I2C serial clock input
  5. INT - Interrupt output
  6. OE - Output enable
  7. RESET - Reset input
  8. VCCB - Supply voltage for the B-side IOs 9-30. GPIO0-GPIO21 - General-purpose IO pins
  9. GND - Ground
  10. VCCB - Supply voltage for the B-side IOs
  11. RESET - Reset input
  12. OE - Output enable
  13. INT - Interrupt output
  14. SCL - I2C serial clock input
  15. SDA - I2C serial data input/output
  16. GND - Ground
  17. VCCA - Supply voltage for the A-side IOs

Functional Features

  • Bidirectional voltage-level translation between different IO voltages
  • Supports I2C communication protocol
  • High-speed operation up to 400 MHz
  • Low power consumption
  • ESD protection on all IO pins
  • Configurable interrupt output for efficient event handling

Advantages and Disadvantages

Advantages

  • Wide supply voltage range allows compatibility with various systems
  • High-speed operation enables fast data transfer
  • Small package size saves board space
  • ESD protection ensures robustness against electrostatic discharge
  • Configurable interrupt output enhances system responsiveness

Disadvantages

  • Limited number of IO channels (22)
  • Requires external pull-up resistors for I2C communication

Working Principles

The PI4IOE5V9522UEX is designed to provide bidirectional voltage-level translation between different IO voltages. It utilizes a combination of level shifters and voltage translators to ensure seamless communication between devices operating at different voltage levels.

The device supports the I2C communication protocol, allowing easy integration into systems using this standard. It features configurable interrupt output, which can be used to efficiently handle events and reduce processor load.

Detailed Application Field Plans

The PI4IOE5V9522UEX finds applications in various fields, including:

  1. Consumer Electronics: Enables voltage-level translation between different components in smartphones, tablets, and other portable devices.
  2. Industrial Automation: Facilitates communication between devices operating at different voltage levels in industrial control systems.
  3. Automotive: Allows integration of components with varying IO voltages in automotive electronics, such as infotainment systems and dashboard controls.
  4. Internet of Things (IoT): Provides voltage-level translation for IoT devices, enabling seamless connectivity and interoperability.

Detailed and Complete Alternative Models

  1. PCA9306 - Dual bidirectional I2C-bus and SMBus voltage-level translator
  2. TXB0108 - 8-bit bidirectional voltage-level translator with automatic direction sensing
  3. SN74LVC1T45 - Single-bit dual-supply bus transceiver with configurable voltage translation

These alternative models offer similar functionality and can be considered as alternatives to the PI4IOE5V9522UEX.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan PI4IOE5V9522UEX dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of PI4IOE5V9522UEX in technical solutions:

  1. Q: What is PI4IOE5V9522UEX? A: PI4IOE5V9522UEX is a versatile I/O expander that provides additional GPIO (General Purpose Input/Output) pins for microcontrollers or other devices.

  2. Q: How many GPIO pins does PI4IOE5V9522UEX offer? A: PI4IOE5V9522UEX offers 16 GPIO pins, which can be configured as inputs or outputs.

  3. Q: Can PI4IOE5V9522UEX work with both 3.3V and 5V systems? A: Yes, PI4IOE5V9522UEX is compatible with both 3.3V and 5V systems, making it suitable for a wide range of applications.

  4. Q: How do I communicate with PI4IOE5V9522UEX? A: PI4IOE5V9522UEX uses the I2C communication protocol, allowing you to control and read the status of its GPIO pins using I2C commands.

  5. Q: Can I use multiple PI4IOE5V9522UEX devices in my project? A: Yes, you can connect multiple PI4IOE5V9522UEX devices on the same I2C bus by assigning unique addresses to each device.

  6. Q: What is the maximum current that PI4IOE5V9522UEX can source or sink per GPIO pin? A: Each GPIO pin of PI4IOE5V9522UEX can source or sink up to 25mA of current.

  7. Q: Can I use PI4IOE5V9522UEX to drive high-power devices like motors or relays? A: No, PI4IOE5V9522UEX is not designed to directly drive high-power devices. You should use it to control external drivers or relays instead.

  8. Q: Does PI4IOE5V9522UEX have any built-in protection features? A: Yes, PI4IOE5V9522UEX has built-in ESD (Electrostatic Discharge) protection on its GPIO pins, providing some level of protection against static electricity.

  9. Q: Can I use PI4IOE5V9522UEX with both digital and analog signals? A: PI4IOE5V9522UEX is primarily designed for digital signals. If you need to interface with analog signals, you may require additional circuitry.

  10. Q: Are there any example projects or code libraries available for PI4IOE5V9522UEX? A: Yes, many manufacturers provide example projects and code libraries that demonstrate the usage of PI4IOE5V9522UEX with popular microcontrollers or development boards.