Home / I/O Expanders / PCA9555PW/
PCA9555PW

PCA9555PW

Manufacturer No:

PCA9555PW

Manufacturer:

Texas Instruments

Description:

IC XPND 400KHZ I2C SMBUS 24TSSOP

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

PCA9555PW 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
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    -
The PCA9555PW is an integrated circuit chip that belongs to the PCA9555 family of devices. It is an I2C-bus controlled 16-bit I/O expander optimized for low-power and low-voltage applications. Here are some advantages and application scenarios of the PCA9555PW:Advantages: 1. Expandability: The PCA9555PW provides 16 I/O pins that can be used as inputs or outputs, allowing for easy expansion of the number of I/Os available in a system. 2. I2C Interface: It uses the I2C-bus interface, which is a widely used communication protocol, making it compatible with a wide range of microcontrollers and other devices. 3. Low Power Consumption: The chip is designed to operate at low power, making it suitable for battery-powered applications or any scenario where power efficiency is crucial. 4. Interrupt Functionality: The PCA9555PW supports interrupt functionality, allowing the microcontroller to be notified when a change occurs on any of the I/O pins, reducing the need for continuous polling. 5. Addressable: Multiple PCA9555PW chips can be connected to the same I2C bus, each with a unique address, enabling the expansion of I/Os even further.Application Scenarios: 1. Industrial Automation: The PCA9555PW can be used in industrial automation systems to expand the number of I/Os available for controlling various devices, such as sensors, actuators, or relays. 2. Home Automation: It can be utilized in home automation systems to interface with different sensors, switches, or other devices, allowing for control and monitoring of various aspects of a smart home. 3. Internet of Things (IoT): The chip can be integrated into IoT devices to provide additional I/Os for connecting and controlling sensors, actuators, or other peripherals. 4. Robotics: PCA9555PW can be used in robotics applications to expand the number of I/Os available for controlling motors, sensors, or other components of a robot. 5. Automotive Electronics: It can be employed in automotive electronics for expanding the number of I/Os available for controlling various functions, such as lighting, climate control, or sensors.Overall, the PCA9555PW offers expandability, low power consumption, and compatibility with the I2C interface, making it suitable for a wide range of applications requiring additional I/Os.
PCA9555PW Relevant information