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PCA9517D

PCA9517D

Manufacturer No:

PCA9517D

Manufacturer:

Texas Instruments

Description:

IC REDRIVER I2C 1CH 400KHZ 8SOIC

Datasheet:

Datasheet

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PCA9517D Specifications

  • Type
    Parameter
  • Supplier Device Package
    8-SOIC
  • Package / Case
    8-SOIC (0.154", 3.90mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Current - Supply
    1.5mA
  • Voltage - Supply
    0.9V ~ 5.5V, 2.7V ~ 5.5V
  • Capacitance - Input
    6 pF
  • Signal Conditioning
    -
  • Delay Time
    -
  • Number of Channels
    2
  • Data Rate (Max)
    400kHz
  • Output
    2-Wire Bus
  • Input
    2-Wire Bus
  • Applications
    I²C
  • Type
    Buffer, ReDriver
  • Packaging
    Tube
  • Packaging
    Bulk
  • Product Status
    Last Time Buy
  • Series
    -
The PCA9517D is an integrated circuit chip that serves as a level-translating I2C bus repeater. It provides bidirectional voltage-level translation between low-voltage (down to 0.9V) and higher-voltage (up to 5.5V) I2C-bus or SMBus applications. Here are some advantages and application scenarios of the PCA9517D:Advantages: 1. Voltage-level translation: The PCA9517D allows communication between devices operating at different voltage levels, enabling seamless integration of components with varying voltage requirements. 2. Bidirectional translation: It supports bidirectional data transfer, allowing data to flow in both directions between the low-voltage and high-voltage sides. 3. Automatic direction sensing: The chip automatically senses the direction of data flow and adjusts the direction of the voltage translation, simplifying the design and reducing the need for additional control signals. 4. Low standby current: The PCA9517D has a low standby current, making it suitable for power-sensitive applications.Application scenarios: 1. Mixed-voltage systems: The PCA9517D is commonly used in systems where different components or subsystems operate at different voltage levels. It enables communication between these components, ensuring seamless data transfer. 2. I2C bus extension: In scenarios where the I2C bus needs to be extended beyond its typical distance limitations, the PCA9517D can be used as a repeater to extend the bus length while maintaining signal integrity. 3. Interfacing with legacy devices: The chip can be used to interface newer low-voltage I2C devices with older legacy devices that operate at higher voltage levels, allowing compatibility and communication between them. 4. Level shifting in battery-powered devices: Battery-powered devices often operate at lower voltage levels to conserve power. The PCA9517D can be used to interface these low-voltage devices with other components or peripherals that require higher voltage levels.Overall, the PCA9517D integrated circuit chip provides a convenient solution for voltage-level translation in I2C bus applications, enabling communication between devices operating at different voltage levels.
PCA9517D Relevant information