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PCA9539DBQR

PCA9539DBQR

Manufacturer No:

PCA9539DBQR

Manufacturer:

Texas Instruments

Description:

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Datasheet:

Datasheet

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PCA9539DBQR Specifications

  • Type
    Parameter
  • Supplier Device Package
    24-SSOP
  • Package / Case
    24-SSOP (0.154", 3.90mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    2.3V ~ 5.5V
  • Clock Frequency
    400 kHz
  • Current - Output Source/Sink
    10mA, 25mA
  • Output Type
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C, SMBus
  • Number of I/O
    16
  • DigiKey Programmable
    Not Verified
  • Packaging
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Last Time Buy
  • Series
    -
The PCA9539DBQR is an integrated circuit chip belonging to the family of I/O expanders. Here are some advantages and application scenarios of the PCA9539DBQR:Advantages: 1. I/O Expansion: The PCA9539DBQR provides an easy way to expand the number of input/output pins of a microcontroller or microprocessor. It has 16 I/O pins which can be configured either as inputs or outputs, allowing for greater flexibility in connecting various peripherals.2. Simplified Design: By using the PCA9539DBQR, designers can reduce the complexity of their electronic circuits as it eliminates the need for additional I/O ports on the microcontroller. This saves space, reduces costs, and simplifies the overall system design.3. Interrupt and Reset Functions: The chip offers interrupt functionality, allowing the microcontroller to be notified when a change in input status occurs. Additionally, it provides a reset function to set all the I/O pins to a default state.4. Low Power Consumption: The PCA9539DBQR operates at a low voltage and has a very low standby current consumption, making it suitable for battery-powered or energy-conscious applications.Application Scenarios: 1. Industrial Automation: In industrial automation systems, the PCA9539DBQR can be used to interface various sensors, actuators, and peripheral devices. It allows for easy connectivity and control of these devices, reducing the workload on the microcontroller.2. Home Automation: The chip can be utilized in home automation systems to interface with sensors, switches, and other devices. It enables remote control and monitoring of home appliances, lighting, and security systems.3. Consumer Electronics: The PCA9539DBQR finds application in consumer electronics devices such as TVs, set-top boxes, and audio systems. It can be used to expand the number of available I/O pins for user interface buttons, LEDs, and other peripherals.4. Automotive Systems: In automotive applications, the PCA9539DBQR can be employed to interface various sensors, switches, and control modules. It facilitates the integration of additional functionalities and reduces the complexity of wiring harnesses.5. IoT Devices: With the growing popularity of Internet of Things (IoT) devices, the PCA9539DBQR can be used to expand the I/O capabilities of microcontrollers in IoT applications. It allows the connection of multiple sensors, actuators, and communication modules, enabling data collection, control, and connectivity.Overall, the PCA9539DBQR is a versatile I/O expander chip that offers numerous advantages and can be used in various application scenarios where additional I/O pins are required.
PCA9539DBQR Relevant information