PI4IOE5V9538LEX
Product Overview
- Category: Integrated Circuit (IC)
- Use: I/O Expander
- Characteristics: High-voltage tolerant, low-power, bidirectional voltage-level translation
- Package: 20-pin SSOP package
- Essence: Provides additional I/O pins for microcontrollers or other digital devices
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Supply Voltage Range: 1.65V to 5.5V
- Input Voltage Range: 1.65V to 5.5V
- Output Voltage Range: 1.65V to 5.5V
- Maximum Output Current: ±4mA
- Maximum Operating Frequency: 400kHz
- Number of I/O Pins: 8
Detailed Pin Configuration
The PI4IOE5V9538LEX has a total of 20 pins, which are configured as follows:
- Pin 1: VDD - Power supply voltage input
- Pin 2: SDA - Serial data input/output
- Pin 3: SCL - Serial clock input
- Pin 4: INT - Interrupt output
- Pin 5: RESET - Reset input
- Pin 6: GND - Ground
- Pin 7: IO0 - Bidirectional I/O pin 0
- Pin 8: IO1 - Bidirectional I/O pin 1
- Pin 9: IO2 - Bidirectional I/O pin 2
- Pin 10: IO3 - Bidirectional I/O pin 3
- Pin 11: IO4 - Bidirectional I/O pin 4
- Pin 12: IO5 - Bidirectional I/O pin 5
- Pin 13: IO6 - Bidirectional I/O pin 6
- Pin 14: IO7 - Bidirectional I/O pin 7
- Pin 15: VDD - Power supply voltage input
- Pin 16: SDA - Serial data input/output
- Pin 17: SCL - Serial clock input
- Pin 18: INT - Interrupt output
- Pin 19: RESET - Reset input
- Pin 20: GND - Ground
Functional Features
- Bidirectional voltage-level translation between low-voltage and high-voltage domains
- Supports I2C communication protocol
- Low power consumption
- High-voltage tolerant inputs (up to 5.5V)
- Configurable interrupt output for efficient event handling
Advantages and Disadvantages
Advantages: - Provides additional I/O pins for microcontrollers with limited I/O capabilities - Allows interfacing between devices operating at different voltage levels - Low power consumption enhances energy efficiency
Disadvantages: - Limited number of I/O pins (8 in total) - Requires external pull-up resistors for I2C communication
Working Principles
The PI4IOE5V9538LEX is an I/O expander IC that facilitates bidirectional voltage-level translation between low-voltage and high-voltage domains. It operates as a bridge between a microcontroller or other digital devices and external peripherals. The device utilizes the I2C communication protocol to receive commands and transmit data.
Detailed Application Field Plans
The PI4IOE5V9538LEX finds applications in various fields, including:
- Embedded Systems: Enables expansion of I/O capabilities in microcontroller-based systems.
- Industrial Automation: Facilitates communication between low-voltage control systems and high-voltage actuators or sensors.
- Consumer Electronics: Allows interfacing between different voltage domains in devices such as smartphones, tablets, and gaming consoles.
- Internet of Things (IoT): Enhances connectivity options by providing additional I/O pins for IoT devices.
- Automotive Electronics: Enables voltage-level translation between different subsystems in vehicles.
Detailed and Complete Alternative Models
- PCA9538: Similar I/O expander IC with 8 bidirectional I/O pins, but operates at a lower voltage range (1.0V to 5.5V).
- MCP23008: I/O expander IC with 8 bidirectional I/O pins, supports I2C communication, and operates at a wider voltage range (1.8V to 5.5V).
- TCA9539: I/O expander IC with 16 bidirectional I/O pins, supports I2C communication, and operates at a similar voltage range (1.65V to 5.5V).
(Note: The above alternative models are provided as examples and may not cover all available alternatives.)
In conclusion, the PI4IOE5V9538LEX is a versatile I/O expander IC that enables bidirectional voltage-level translation and provides additional I/O pins for microcontrollers or other digital devices. Its high-voltage tolerance, low
기술 솔루션에 PI4IOE5V9538LEX 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of PI4IOE5V9538LEX in technical solutions:
Q: What is PI4IOE5V9538LEX? A: PI4IOE5V9538LEX is a versatile I/O expander with an integrated level shifter, which allows for easy expansion of GPIO pins in various applications.
Q: What is the voltage range supported by PI4IOE5V9538LEX? A: PI4IOE5V9538LEX supports a wide voltage range from 1.65V to 5.5V, making it compatible with a variety of microcontrollers and devices.
Q: How many GPIO pins can be expanded using PI4IOE5V9538LEX? A: PI4IOE5V9538LEX can expand up to 16 GPIO pins, providing additional digital input/output capabilities for your application.
Q: Can PI4IOE5V9538LEX handle bidirectional communication? A: Yes, PI4IOE5V9538LEX supports bidirectional communication, allowing both input and output operations on its expanded GPIO pins.
Q: Is PI4IOE5V9538LEX compatible with I2C interface? A: Yes, PI4IOE5V9538LEX communicates with the host microcontroller using the I2C interface, making it easy to integrate into existing systems.
Q: Can PI4IOE5V9538LEX handle interrupt signals? A: Yes, PI4IOE5V9538LEX has built-in interrupt functionality, enabling efficient event-driven programming and reducing the need for continuous polling.
Q: Does PI4IOE5V9538LEX have any built-in protection features? A: Yes, PI4IOE5V9538LEX includes features like overvoltage protection and thermal shutdown to safeguard against potential damage or overheating.
Q: Can PI4IOE5V9538LEX be used in low-power applications? A: Absolutely, PI4IOE5V9538LEX has a low standby current consumption, making it suitable for battery-powered or energy-efficient devices.
Q: Are there any development resources available for PI4IOE5V9538LEX? A: Yes, the manufacturer provides datasheets, application notes, and example code to assist with the integration and programming of PI4IOE5V9538LEX.
Q: What are some typical applications of PI4IOE5V9538LEX? A: PI4IOE5V9538LEX can be used in various applications such as industrial automation, consumer electronics, IoT devices, robotics, and smart home systems to expand GPIO capabilities.
Please note that these questions and answers are general and may vary depending on specific use cases and requirements.