PI4IOE5V9521XTEX

Product Overview

Category

The PI4IOE5V9521XTEX belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for input/output (I/O) expansion in electronic devices.

Characteristics

• Voltage level translation: 1.8V to 5V bidirectional translation.
• I2C-bus/SMBus interface compatibility.
• Low standby current consumption.
• ESD protection on all pins.
• Small package size.

Package and Quantity

The PI4IOE5V9521XTEX is available in a small form factor package, such as QFN or TSSOP. The exact package type may vary depending on the manufacturer. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply voltage range: 1.65V to 5.5V
• Number of I/O pins: 16
• Maximum I/O voltage: 5.5V
• Maximum I/O current: 25mA per pin
• Operating temperature range: -40°C to +85°C
• Communication interface: I2C-bus/SMBus

Pin Configuration

The PI4IOE5V9521XTEX has a total of 16 pins, which are assigned specific functions. The pin configuration is as follows:

Pin 1: VCC Pin 2: SDA Pin 3: SCL Pin 4: INT Pin 5: GND Pin 6: IO0 Pin 7: IO1 Pin 8: IO2 Pin 9: IO3 Pin 10: IO4 Pin 11: IO5 Pin 12: IO6 Pin 13: IO7 Pin 14: IO8 Pin 15: IO9 Pin 16: IO10

Functional Features

• Bidirectional voltage level translation between 1.8V and 5V.
• Provides additional I/O pins for devices with limited I/O capabilities.
• Compatible with I2C-bus/SMBus interface, allowing easy integration into existing systems.
• Low standby current consumption helps conserve power in battery-operated devices.
• ESD protection on all pins ensures robustness against electrostatic discharge.

Advantages and Disadvantages

Advantages

• Enables seamless integration of devices operating at different voltage levels.
• Simplifies I/O expansion in electronic systems.
• Offers compatibility with widely used communication interfaces.
• Provides reliable protection against electrostatic discharge.

Disadvantages

• Limited number of I/O pins (16 in total).
• Requires proper configuration and programming to ensure correct functionality.

Working Principles

The PI4IOE5V9521XTEX operates by translating voltage levels bidirectionally between 1.8V and 5V. It utilizes the I2C-bus/SMBus interface for communication with the host device. The IC acts as an intermediary between the host device and external peripherals, expanding the available I/O capabilities.

Application Field Plans

The PI4IOE5V9521XTEX finds applications in various electronic systems that require voltage level translation and I/O expansion. Some potential application fields include:

1. Consumer electronics: Smartphones, tablets, and wearable devices.
2. Industrial automation: PLCs, motor control systems, and sensor networks.
3. Internet of Things (IoT): Connected devices, home automation systems, and smart appliances.
4. Automotive electronics: Infotainment systems, dashboard controls, and vehicle diagnostics.
5. Medical devices: Patient monitoring systems, diagnostic equipment, and medical sensors.

Alternative Models

There are several alternative models available in the market that offer similar functionality to the PI4IOE5V9521XTEX. Some notable alternatives include:

1. PCA9538: 8-bit I/O expander with I2C interface.
2. MCP23017: 16-bit I/O expander with I2C/SPI interface.
3. SN74LVCH16T245: 16-bit voltage level translator with configurable direction control.

These alternative models provide different features and specifications, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the PI4IOE5V9521XTEX is an integrated circuit designed for voltage level translation and I/O expansion. Its compact size, compatibility with I2C-bus/SMBus, and low power consumption make it a versatile choice for various electronic applications. However, users should consider the limited number of I/O pins and ensure proper configuration for optimal performance.