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PCA9557D

PCA9557D

Manufacturer No:

PCA9557D

Manufacturer:

Texas Instruments

Description:

IC XPNDR 400KHZ I2C SMBUS 16SOIC

Datasheet:

Datasheet

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PCA9557D Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SOIC
  • Package / Case
    16-SOIC (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
    Open Drain, Push-Pull
  • Features
    POR
  • Interrupt Output
    No
  • Interface
    I²C, SMBus
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Packaging
    Bulk
  • Product Status
    Last Time Buy
  • Series
    -
The PCA9557D is an integrated circuit chip that belongs to the PCA9557 family of devices. It is an 8-bit I/O expander with an I2C interface, which allows it to provide additional input/output (I/O) pins to a microcontroller or other digital devices. Here are some advantages and application scenarios of the PCA9557D chip:Advantages: 1. Increased I/O capacity: The PCA9557D chip provides 8 additional I/O pins, which can be used to expand the I/O capabilities of a microcontroller or other digital devices. This is particularly useful when the available I/O pins on the main device are limited.2. Simplified design: By using the PCA9557D chip, designers can reduce the complexity of their circuitry by offloading some of the I/O functions to the expander. This can lead to a more streamlined and efficient design.3. I2C interface: The PCA9557D chip communicates with the microcontroller or other devices using the I2C interface, which is a widely used and standardized communication protocol. This makes it compatible with a wide range of devices and simplifies the integration process.Application scenarios: 1. Industrial automation: The PCA9557D chip can be used in industrial automation systems where there is a need for additional I/O pins. It can be used to connect various sensors, actuators, and other devices to a central controller, enabling efficient control and monitoring of the industrial processes.2. Home automation: In home automation systems, the PCA9557D chip can be used to expand the I/O capabilities of a central controller. This allows for the connection of various smart devices, such as sensors, switches, and lights, enabling centralized control and automation of the home environment.3. Consumer electronics: The PCA9557D chip can be used in various consumer electronic devices, such as gaming consoles, smart TVs, or home audio systems. It can provide additional I/O pins for connecting peripherals, controlling user interfaces, or managing external devices.4. Automotive applications: The PCA9557D chip can be utilized in automotive applications where there is a need for additional I/O pins. It can be used to connect various sensors, switches, or actuators in the vehicle, enabling efficient control and monitoring of different automotive systems.Overall, the PCA9557D chip offers increased I/O capacity, simplified design, and compatibility with the I2C interface, making it suitable for a wide range of applications in industrial automation, home automation, consumer electronics, and automotive industries.
PCA9557D Relevant information