NXP USA Inc.
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PCA9518D,118
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PCA9518D,118

Product Overview

Category: Integrated Circuit
Use: Level Shifting and Translation
Characteristics: I2C Bus Repeater with Hot Insertion Capability
Package: TSSOP-8
Essence: Level shifting and buffering for the I2C-bus and SMBus systems
Packaging/Quantity: Tape and Reel (2500 units per reel)

Specifications

  • Operating Voltage: 1.65V to 5.5V
  • Operating Temperature: -40°C to 85°C
  • Number of Channels: 2
  • Data Rate: 400kHz
  • Input Capacitance: 10pF
  • Supply Current: 2.5mA (max)

Detailed Pin Configuration

The PCA9518D,118 has a TSSOP-8 package with the following pin configuration: 1. SCL1 2. SDA1 3. GND 4. VCC 5. SDA2 6. SCL2 7. EN 8. NC

Functional Features

  • Level shifting between lower and higher voltage I2C-bus or SMBus systems
  • Bidirectional data transfer
  • Hot insertion capability
  • Low standby current

Advantages and Disadvantages

Advantages: - Wide operating voltage range - Hot insertion capability - Low standby current

Disadvantages: - Limited to 400kHz data rate - Only 2 channels

Working Principles

The PCA9518D,118 acts as a buffer and level shifter for I2C-bus and SMBus systems, allowing communication between devices operating at different voltage levels. It provides bidirectional voltage translation without an explicit direction control signal.

Detailed Application Field Plans

The PCA9518D,118 is suitable for various applications including: - Consumer electronics - Industrial automation - Automotive systems - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models to PCA9518D,118 include: - PCA9306: 2-bit bidirectional I2C-bus and SMBus voltage-level translator - TXS0102: 2-bit bidirectional voltage-level translator with automatic direction sensing

In conclusion, the PCA9518D,118 is a versatile level shifter and buffer designed for I2C-bus and SMBus systems, offering wide operating voltage range and hot insertion capability. Its applications span across diverse industries, making it a valuable component in electronic designs.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PCA9518D,118 i tekniska lösningar

  1. What is the maximum voltage that PCA9518D,118 can handle?
    - The PCA9518D,118 can handle a maximum voltage of 5.5V.

  2. Can PCA9518D,118 be used for level shifting in I2C communication?
    - Yes, PCA9518D,118 is designed for level shifting in I2C communication.

  3. What is the maximum frequency supported by PCA9518D,118?
    - PCA9518D,118 supports a maximum frequency of 400kHz.

  4. Is PCA9518D,118 suitable for bidirectional voltage-level translation?
    - Yes, PCA9518D,118 is suitable for bidirectional voltage-level translation.

  5. Can PCA9518D,118 be used in automotive applications?
    - Yes, PCA9518D,118 is qualified for automotive applications.

  6. Does PCA9518D,118 have built-in ESD protection?
    - Yes, PCA9518D,118 has built-in ESD protection up to 8kV HBM.

  7. What is the operating temperature range of PCA9518D,118?
    - The operating temperature range of PCA9518D,118 is -40°C to 125°C.

  8. Can PCA9518D,118 be used in industrial control systems?
    - Yes, PCA9518D,118 is suitable for use in industrial control systems.

  9. Does PCA9518D,118 require external pull-up resistors?
    - No, PCA9518D,118 has internal pull-up resistors.

  10. Is PCA9518D,118 compatible with both 3.3V and 5V systems?
    - Yes, PCA9518D,118 is compatible with both 3.3V and 5V systems.