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PCA9545APWT

PCA9545APWT

Manufacturer No:

PCA9545APWT

Manufacturer:

Texas Instruments

Description:

IC INTERFACE SPECIALIZED 20TSSOP

Datasheet:

Datasheet

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PCA9545APWT 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
    Obsolete
  • Series
    -
The PCA9545APWT is a multiplexer/demultiplexer integrated circuit chip designed by NXP Semiconductors. It has several advantages and application scenarios, including:Advantages: 1. Multiplexing Capability: The PCA9545APWT allows multiple I2C devices to share a single I2C bus. It can connect up to four different I2C buses to a single I2C bus, enabling communication with multiple devices using a single microcontroller or host.2. Address Translation: The chip provides address translation, allowing the microcontroller to communicate with devices on different I2C buses using a single set of I2C addresses. This simplifies the addressing scheme and reduces the number of required I2C pins on the microcontroller.3. Independent Bus Isolation: Each I2C bus connected to the PCA9545APWT is electrically isolated from the others. This isolation prevents bus contention and ensures that communication on one bus does not interfere with the others.4. Low Power Consumption: The chip has a low power consumption mode, which reduces power consumption when not actively switching between buses. This feature is particularly useful in battery-powered applications.Application Scenarios: 1. Sensor Networks: In applications where multiple sensors are connected to a microcontroller using I2C, the PCA9545APWT can be used to multiplex the sensor connections. This allows the microcontroller to communicate with different sensors on different buses, simplifying the design and reducing the number of required I2C pins.2. Industrial Control Systems: In industrial control systems, multiple I2C devices may need to be connected to a central controller. The PCA9545APWT can be used to connect these devices to a single I2C bus, simplifying the wiring and reducing the number of required I2C interfaces on the controller.3. Embedded Systems: In embedded systems, where space and power consumption are critical, the PCA9545APWT can be used to reduce the number of required I2C interfaces on the microcontroller. This allows for more efficient use of limited resources and simplifies the design.4. Test and Measurement Equipment: In test and measurement equipment, multiple I2C devices may need to be connected to a single controller for data acquisition and control. The PCA9545APWT can be used to multiplex these devices, enabling communication with each device using a single I2C bus.Overall, the PCA9545APWT integrated circuit chip provides a convenient and efficient solution for multiplexing I2C devices, enabling communication with multiple devices using a single I2C bus.
PCA9545APWT Relevant information