Home / I/O Expanders / PCA9555DB/
PCA9555DB

PCA9555DB

Manufacturer No:

PCA9555DB

Manufacturer:

Texas Instruments

Description:

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

PCA9555DB Specifications

  • Type
    Parameter
  • Supplier Device Package
    24-SSOP
  • Package / Case
    24-SSOP (0.209", 5.30mm 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 PCA9555DB 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 PCA9555DB:Advantages: 1. Expandability: The PCA9555DB allows for expanding the number of I/O pins available on a microcontroller or other devices. It provides 16 additional I/O pins, which can be individually configured as inputs or outputs. 2. I2C Interface: The chip communicates over the I2C bus, which is a widely used serial communication protocol. This makes it compatible with a wide range of microcontrollers and other devices. 3. Low Power Consumption: The PCA9555DB is designed to operate at low power, making it suitable for battery-powered applications or devices with power constraints. 4. Interrupt Functionality: It supports interrupt functionality, allowing the microcontroller to be notified when a change occurs on any of the I/O pins. This can help reduce the need for continuous polling and improve efficiency.Application Scenarios: 1. Industrial Automation: The PCA9555DB can be used in industrial automation systems to expand the number of I/O pins available for controlling various devices, such as sensors, actuators, or relays. 2. Home Automation: In home automation applications, the chip can be used to interface with different sensors, switches, or other devices, allowing control and monitoring through a microcontroller or a central hub. 3. Internet of Things (IoT): With its low power consumption and I2C interface, the PCA9555DB can be used in IoT devices to provide additional I/O pins for connecting sensors, actuators, or other peripherals. 4. Robotics: The chip can be utilized in robotics applications to expand the number of I/O pins available for controlling motors, sensors, or other components of the robot. 5. Automotive Electronics: In automotive electronics, the PCA9555DB can be used to interface with various sensors, switches, or indicators, providing additional I/O pins for control and monitoring.Overall, the PCA9555DB offers expandability, low power consumption, and I2C compatibility, making it suitable for a wide range of applications where additional I/O pins are required.
PCA9555DB Relevant information