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PCA9545APWR

PCA9545APWR

Manufacturer No:

PCA9545APWR

Manufacturer:

Texas Instruments

Description:

IC INTERFACE SPECIALIZED 20TSSOP

Datasheet:

Datasheet

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PCA9545APWR Specifications

  • Type
    Parameter
  • Mounting Type
    Surface Mount
  • Supplier Device Package
    20-TSSOP
  • Package / Case
    20-TSSOP (0.173", 4.40mm Width)
  • Voltage - Supply
    2.3V ~ 5.5V
  • Interface
    I²C, SMBus
  • Applications
    Translating Switch
  • Packaging
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    -
The PCA9545APWR is a multiplexer/demultiplexer integrated circuit chip designed by Texas Instruments. It has several advantages and application scenarios, including:1. Multiplexing Capability: The PCA9545APWR chip allows multiple devices to share a single communication bus. It has four bidirectional channels that can be independently controlled to connect or disconnect devices from the bus. This enables efficient utilization of limited bus resources.2. I2C Bus Expansion: The chip is specifically designed for I2C bus expansion. It can be used to increase the number of I2C devices that can be connected to a microcontroller or system-on-chip (SoC). This is particularly useful in applications where the number of available I2C addresses is limited.3. Address Translation: The PCA9545APWR chip can translate I2C addresses, allowing devices with conflicting addresses to coexist on the same bus. It provides a flexible solution for systems with multiple devices that have the same default I2C address.4. Hot Swapping: The chip supports hot swapping, which means devices can be connected or disconnected from the bus while it is active. This feature is beneficial in applications where devices need to be added or removed dynamically without interrupting the operation of other devices on the bus.5. Industrial and Automotive Applications: The PCA9545APWR chip is designed to operate in harsh environments, making it suitable for industrial and automotive applications. It has a wide operating temperature range and is resistant to electromagnetic interference (EMI) and electrostatic discharge (ESD).Some application scenarios where the PCA9545APWR chip can be used include:- Sensor Networks: In systems with multiple sensors connected via I2C, the chip can be used to expand the number of sensors that can be connected to a microcontroller or SoC.- Embedded Systems: The chip can be used in embedded systems to connect multiple peripheral devices, such as displays, memory modules, and input/output devices, to a microcontroller or SoC.- Test and Measurement Equipment: In test and measurement applications, the chip can be used to switch between different devices under test, allowing efficient utilization of test equipment and reducing the number of required I2C interfaces.- Automotive Control Systems: The chip's robustness and hot swapping capability make it suitable for automotive control systems, where devices may need to be added or removed while the system is operational.Overall, the PCA9545APWR chip provides a flexible and efficient solution for expanding I2C bus capabilities and managing multiple devices in various applications.
PCA9545APWR Relevant information