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PCA9555AHF,128

PCA9555AHF,128

Manufacturer No:

PCA9555AHF,128

Manufacturer:

NXP USA Inc.

Description:

IC XPND 400KHZ I2C SMBUS 24HWQFN

Datasheet:

Datasheet

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PCA9555AHF,128 Specifications

  • Type
    Parameter
  • Supplier Device Package
    24-HWQFN (4x4)
  • Package / Case
    24-WFQFN Exposed Pad
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    1.65V ~ 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 PCA9555AHF,128 is an integrated circuit chip that belongs to the PCA9555A 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 PCA9555AHF,128:Advantages: 1. Expandability: The PCA9555AHF,128 provides 16 I/O pins that can be used to expand the number of available I/Os in a system. This is particularly useful in situations where the microcontroller or host device has limited I/O pins.2. I2C Interface: The chip communicates with the microcontroller or host device using the I2C-bus interface, which is a widely used and well-supported communication protocol. This makes it easy to integrate the PCA9555AHF,128 into existing systems.3. Low Power Consumption: The chip is designed to operate at low power, making it suitable for battery-powered or energy-efficient applications. It has a low standby current and supports power-on reset functionality.4. Interrupt Functionality: The PCA9555AHF,128 has interrupt pins that can be configured to generate interrupts based on changes in the input pins. This allows for efficient event-driven programming and reduces the need for continuous polling of the I/Os.Application Scenarios: 1. Industrial Automation: The PCA9555AHF,128 can be used in industrial automation systems to expand the number of I/Os available for controlling sensors, actuators, and other devices. It can be used to interface with various sensors, such as temperature sensors, proximity sensors, or limit switches.2. Home Automation: In home automation systems, the PCA9555AHF,128 can be used to control and monitor various devices, such as lights, fans, or door/window sensors. It allows for centralized control and monitoring of multiple I/Os using a single microcontroller or host device.3. Internet of Things (IoT): The chip can be used in IoT applications where there is a need to interface with a large number of sensors or actuators. It can be used to expand the I/O capabilities of IoT devices, such as smart home hubs, environmental monitoring systems, or industrial IoT gateways.4. Automotive Electronics: The PCA9555AHF,128 can be used in automotive electronics for various purposes, such as controlling exterior lighting, monitoring switches or buttons, or interfacing with sensors. Its low power consumption and I2C interface make it suitable for automotive applications.Overall, the PCA9555AHF,128 offers expandability, low power consumption, and easy integration, making it a versatile choice for applications requiring additional I/Os or efficient I2C-based communication.
PCA9555AHF,128 Relevant information