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PCA9544AGQNR

PCA9544AGQNR

Manufacturer No:

PCA9544AGQNR

Manufacturer:

Texas Instruments

Description:

IC INTERFACE SPECIALIZED 20BGA

Datasheet:

Datasheet

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PCA9544AGQNR Specifications

  • Type
    Parameter
  • Mounting Type
    Surface Mount
  • Supplier Device Package
    20-BGA MICROSTAR JUNIOR (4x3)
  • Package / Case
    20-VFBGA
  • Voltage - Supply
    2.3V ~ 5.5V
  • Interface
    I²C, SMBus
  • Applications
    Translating Switch
  • Packaging
    Bulk
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Obsolete
  • Series
    -
The PCA9544AGQNR is a multiplexer/demultiplexer integrated circuit (IC) chip designed by NXP Semiconductors. It offers several advantages and can be used in various application scenarios. Here are some of the advantages and application scenarios of the PCA9544AGQNR:Advantages: 1. Multiplexing Capability: The PCA9544AGQNR can multiplex up to four I2C buses, allowing multiple devices to share a single I2C bus. This helps in reducing the number of I2C interfaces required in a system, saving board space and reducing complexity.2. Independent Channel Control: Each channel of the PCA9544AGQNR can be individually enabled or disabled, allowing selective communication with specific devices connected to each channel. This flexibility enables efficient control and management of multiple I2C devices.3. Low Voltage Level Translation: The PCA9544AGQNR supports level translation between different voltage domains, allowing devices operating at different voltage levels to communicate seamlessly. This feature is particularly useful in mixed-voltage systems where devices with different voltage requirements need to communicate.4. Interrupt Output: The IC provides an interrupt output pin that can be used to signal the host controller when a channel is selected or deselected. This helps in efficient event-driven communication and reduces the need for continuous polling.Application Scenarios: 1. System Integration: The PCA9544AGQNR is commonly used in systems with multiple I2C devices, such as embedded systems, industrial automation, and IoT applications. It allows efficient integration of multiple devices onto a single I2C bus, simplifying the system design and reducing the number of required I2C interfaces.2. Sensor Networks: In sensor networks, where multiple sensors need to be connected to a central controller, the PCA9544AGQNR can be used to multiplex the sensor outputs onto a single I2C bus. This reduces the number of I2C interfaces required on the controller, simplifying the design and reducing costs.3. Mixed-Voltage Systems: The level translation capability of the PCA9544AGQNR makes it suitable for use in mixed-voltage systems. It enables communication between devices operating at different voltage levels, facilitating interoperability and system integration.4. Test and Debugging: The PCA9544AGQNR can be used in test and debugging scenarios where multiple I2C devices need to be accessed individually. By selectively enabling or disabling channels, specific devices can be targeted for testing or debugging purposes, simplifying the process.Overall, the PCA9544AGQNR offers advantages in terms of multiplexing capability, independent channel control, voltage level translation, and interrupt output. Its application scenarios include system integration, sensor networks, mixed-voltage systems, and test/debugging scenarios.
PCA9544AGQNR Relevant information