PCA9527DP,118

Product Overview

Category

PCA9527DP,118 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for I2C-bus/SMBus repeater applications.

Characteristics

• Supports I2C-bus and SMBus protocols
• Provides level shifting between two I2C-bus/SMBus segments operating at different voltages
• Allows bidirectional voltage-level translation
• Supports clock stretching and arbitration across the repeater
• Low standby current consumption
• Compatible with both 3.3V and 5V systems

Package

PCA9527DP,118 is available in a small outline package (SOT1118-1) with eight pins.

Essence

The essence of PCA9527DP,118 lies in its ability to extend the range of I2C-bus or SMBus communication by acting as a repeater and providing voltage-level translation.

Packaging/Quantity

This product is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply Voltage: 2.3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 400 kHz
• Standby Current: 10 µA (typical)
• Rise/Fall Time: 20 ns (maximum)

Pin Configuration

The PCA9527DP,118 IC has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| SDA SCL |-- Pin 2: Serial Data (SDA) --| A1 A0 |-- Pins 3 and 4: Address Inputs (A1, A0) --| OE Y |-- Pins 5 and 6: Output Enable (OE), Output (Y) --| VCC2 GND2|-- Pins 7 and 8: Second Power Supply (VCC2, GND2) |___________| ```

Functional Features

• Level shifting between two I2C-bus/SMBus segments
• Bidirectional voltage-level translation
• Clock stretching and arbitration support
• Low standby current consumption for power efficiency
• Compatibility with both 3.3V and 5V systems

Advantages and Disadvantages

Advantages

• Enables communication between I2C-bus or SMBus devices operating at different voltages
• Supports clock stretching and arbitration across the repeater
• Low standby current consumption for power efficiency

Disadvantages

• Limited to I2C-bus and SMBus applications
• Maximum clock frequency of 400 kHz may not be sufficient for certain high-speed applications

Working Principles

PCA9527DP,118 acts as a repeater by receiving signals from one I2C-bus or SMBus segment and transmitting them to another segment. It performs voltage-level translation to ensure compatibility between segments operating at different voltages. The IC also supports clock stretching and arbitration, allowing smooth communication between devices connected through the repeater.

Detailed Application Field Plans

PCA9527DP,118 finds applications in various fields where I2C-bus or SMBus communication needs to be extended or voltage levels need to be translated. Some specific application areas include:

1. Industrial automation
2. Consumer electronics
3. Automotive systems
4. Medical devices
5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to PCA9527DP,118 are:

1. PCA9515A
2. PCA9517A
3. PCA9518A
4. PCA9519A
5. PCA9511A

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

In conclusion, PCA9527DP,118 is an integrated circuit used for I2C-bus/SMBus repeater applications. It provides voltage-level translation and extends the range of communication between devices operating at different voltages. With its functional features, advantages, and detailed application field plans, it serves various industries and offers alternative models for flexibility in design choices.