PCA9513D,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and buffering for I2C bus systems
• Characteristics:
  • Bidirectional voltage-level translator
  • Supports I2C Fast Mode Plus (Fm+) with speeds up to 1 MHz
  • Compatible with both 2.5V and 3.3V supply voltages
• Package: SO8 (Small Outline 8-pin package)
• Essence: Provides level shifting functionality for I2C communication
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2.3V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Input Low Voltage (VIL): -0.5V to 0.8V
• Input High Voltage (VIH): 1.7V to VDD + 0.5V
• Output Low Voltage (VOL): 0.4V (max) at 3.3V supply
• Output High Voltage (VOH): 2.4V (min) at 3.3V supply
• Maximum Data Rate: 1 MHz

Detailed Pin Configuration

The PCA9513D,112 IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | SDA | Serial Data Line | | 2 | SCL | Serial Clock Line | | 3 | OE | Output Enable | | 4 | GND | Ground | | 5 | VREF | Reference Voltage | | 6 | A1 | Address Input 1 | | 7 | A0 | Address Input 0 | | 8 | VDD | Supply Voltage |

Functional Features

• Bidirectional voltage-level translation between two I2C buses operating at different voltage levels
• Automatic direction sensing and control of the I2C bus signals
• Supports multiple devices on the same I2C bus with different supply voltages

Advantages and Disadvantages

Advantages

• Enables seamless communication between I2C devices operating at different voltage levels
• Supports high-speed data transfer up to 1 MHz
• Compact SO8 package allows for space-efficient integration into electronic systems

Disadvantages

• Limited to level shifting functionality and does not provide additional features beyond I2C bus voltage translation
• Requires careful consideration of voltage compatibility and signal integrity in mixed-voltage I2C systems

Working Principles

The PCA9513D,112 is a bidirectional voltage-level translator specifically designed for I2C bus systems. It utilizes a combination of level shifting circuitry and automatic direction sensing to enable communication between I2C devices operating at different voltage levels. The device automatically detects the direction of the I2C bus signals and adjusts the voltage levels accordingly, ensuring proper data transmission.

Detailed Application Field Plans

The PCA9513D,112 is commonly used in various applications where level shifting and buffering for I2C bus systems are required. Some typical application fields include: - Consumer electronics - Industrial automation - Automotive electronics - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator
• TXB0104: 4-bit bidirectional voltage-level translator with automatic direction sensing

These alternative models offer similar functionality to the PCA9513D,112 and can be considered as alternatives depending on specific requirements and system constraints.

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