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PCA9557PW

PCA9557PW

Manufacturer No:

PCA9557PW

Manufacturer:

Texas Instruments

Description:

IC XPND 400KHZ I2C SMBUS 16TSSOP

Datasheet:

Datasheet

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PCA9557PW Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-TSSOP
  • Package / Case
    16-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
    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 PCA9557PW is an integrated circuit chip that belongs to the PCA9557 family of devices. It is an 8-bit I2C-bus and SMBus I/O expander with interrupt and reset features. Here are some advantages and application scenarios of the PCA9557PW chip:Advantages: 1. Expandability: The PCA9557PW allows for expanding the number of I/O ports available on a microcontroller or microprocessor. It provides an additional 8 I/O pins, which can be configured as inputs or outputs. 2. Simplified design: By using the PCA9557PW, designers can reduce the number of I/O pins required on the microcontroller, thus simplifying the overall design and reducing the complexity of the system. 3. I2C-bus interface: The chip utilizes the I2C-bus interface, which is a widely used communication protocol for connecting multiple devices in a system. This allows for easy integration with other I2C-compatible devices. 4. Interrupt and reset features: The PCA9557PW supports interrupt functionality, allowing the microcontroller to be notified when an input changes state. It also provides a reset feature, which can be used to reset the device or the entire system.Application scenarios: 1. Industrial automation: The PCA9557PW can be used in industrial automation systems to expand the number of I/O ports available for connecting sensors, actuators, and other peripheral devices. It simplifies the wiring and reduces the number of connections required. 2. Home automation: In home automation applications, the PCA9557PW can be used to interface with various sensors and control devices such as lights, fans, and switches. It enables the control of multiple devices using a single microcontroller. 3. Internet of Things (IoT): The chip can be utilized in IoT applications where multiple sensors and actuators need to be connected to a microcontroller or microprocessor. It allows for efficient management of I/O pins and simplifies the integration of devices into the IoT network. 4. Automotive electronics: The PCA9557PW can be employed in automotive electronics for expanding the I/O capabilities of microcontrollers. It can be used to interface with various sensors, switches, and control modules in the vehicle.Overall, the PCA9557PW chip offers expandability, simplified design, and versatile application scenarios, making it a useful component in various electronic systems.
PCA9557PW Relevant information