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PCA9539PW,118

PCA9539PW,118

Manufacturer No:

PCA9539PW,118

Manufacturer:

NXP USA Inc.

Description:

IC XPND 400KHZ I2C SMBUS 24TSSOP

Datasheet:

Datasheet

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PCA9539PW,118 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
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    -
The PCA9539PW,118 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 PCA9539PW,118:1. 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 PCA9539PW,118 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 PCA9539PW,118 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, saving processing power and improving system efficiency.Application Scenarios:1. LED Control: The PCA9539PW,118 can be used to control multiple LEDs in various applications, such as status indicators, display panels, or decorative lighting. Its I2C interface simplifies the control of multiple LEDs using a single communication bus.2. Keypad Scanning: The chip can be employed to scan and detect button presses in a keypad matrix. By configuring some of the I/O pins as inputs, the PCA9539PW,118 can monitor the keypad matrix and communicate the button status to the microcontroller.3. General-Purpose I/O Expansion: The PCA9539PW,118 can be utilized 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, enabling the connection of additional sensors, actuators, or other peripheral devices.4. Industrial Automation: The chip can be integrated into industrial automation systems to provide remote I/O expansion. It can be used to monitor and control various devices, such as sensors, switches, or relays, over long distances using the I2C interface.Overall, the PCA9539PW,118 offers flexibility, low power consumption, and easy integration, making it suitable for a wide range of applications requiring I/O expansion and control.
PCA9539PW,118 Relevant information