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PCA9539RPW,112

PCA9539RPW,112

Manufacturer No:

PCA9539RPW,112

Manufacturer:

NXP USA Inc.

Description:

IC XPND 400KHZ I2C SMBUS 24TSSOP

Datasheet:

Datasheet

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PCA9539RPW,112 Specifications

  • Type
    Parameter
  • Supplier Device Package
    24-TSSOP
  • Package / Case
    24-TSSOP (0.173", 4.40mm 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
    Tube
  • Product Status
    Obsolete
  • Series
    -
The PCA9539RPW,112 is an integrated circuit chip that belongs to the PCA9539 series of I/O expanders from NXP Semiconductors. It is a 16-bit I/O expander with an I2C interface, which provides remote I/O expansion for most microcontroller families.Advantages of PCA9539RPW,112:1. I2C Interface: The chip utilizes the I2C interface, which is a widely used communication protocol for connecting various devices in embedded systems. This allows for easy integration with microcontrollers and other I2C-compatible devices.2. High Flexibility: The PCA9539RPW,112 offers 16 programmable I/O pins, which can be configured as inputs or outputs. This flexibility allows for a wide range of applications, including LED control, keypad scanning, and general-purpose I/O expansion.3. Low Power Consumption: The chip is designed to operate at low power, making it suitable for battery-powered devices or applications where power efficiency is crucial.4. Interrupt Functionality: The PCA9539RPW,112 supports interrupt functionality, allowing the microcontroller to be notified when a change in the input status occurs. This feature reduces the need for continuous polling of input pins, saving processing power and improving system responsiveness.Application Scenarios:1. LED Control: The PCA9539RPW,112 can be used to control multiple LEDs in applications such as signage, lighting systems, or status indicators. The I/O pins can be configured as outputs to drive the LEDs, and the I2C interface enables easy control and synchronization with other devices.2. Keypad Scanning: In applications that require user input, such as keyboards or control panels, the PCA9539RPW,112 can be used to scan and detect key presses. The I/O pins can be configured as inputs, and the interrupt functionality can be utilized to notify the microcontroller when a key is pressed.3. General-Purpose I/O Expansion: The chip can be used to expand the number of available I/O pins in microcontroller-based systems. This is particularly useful when the microcontroller has limited I/O capabilities or when additional I/Os are required for interfacing with sensors, actuators, or other peripheral devices.4. Industrial Automation: The PCA9539RPW,112 can be employed in industrial automation systems for various purposes, such as controlling relays, monitoring input signals, or interfacing with sensors and actuators. Its I2C interface simplifies integration with industrial controllers and allows for remote I/O expansion.Overall, the PCA9539RPW,112 offers flexibility, low power consumption, and easy integration, making it suitable for a wide range of applications requiring I/O expansion and control.
PCA9539RPW,112 Relevant information