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PCA9557BS,118

PCA9557BS,118

Manufacturer No:

PCA9557BS,118

Manufacturer:

NXP USA Inc.

Description:

IC XPND 400KHZ I2C SMBUS 16HVQFN

Datasheet:

Datasheet

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PCA9557BS,118 Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-HVQFN (4x4)
  • Package / Case
    16-VQFN Exposed Pad
  • 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
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    -
The PCA9557BS,118 is an integrated circuit chip that belongs to the PCA9557B family of devices. It is a 16-bit I2C-bus and SMBus I/O expander with an interrupt output and an open-drain output. Here are some advantages and application scenarios of the PCA9557BS,118:Advantages: 1. Expandability: The PCA9557BS,118 allows you to expand the number of I/O pins available on your microcontroller or system. It provides 16 additional I/O pins, which can be configured as inputs or outputs. 2. I2C Interface: The chip communicates using the I2C-bus interface, which is a widely used standard for communication between integrated circuits. This makes it compatible with a wide range of microcontrollers and other devices. 3. Interrupt Output: The PCA9557BS,118 has an interrupt output pin that can be used to notify the microcontroller when any of the input pins change state. This feature can be useful in applications where real-time response to input changes is required. 4. Low Power Consumption: The chip is designed to operate with low power consumption, making it suitable for battery-powered devices or applications where power efficiency is important.Application Scenarios: 1. GPIO Expansion: The PCA9557BS,118 can be used to expand the number of general-purpose input/output (GPIO) pins available on a microcontroller. This is particularly useful in applications where the microcontroller has limited I/O pins, such as small embedded systems or IoT devices. 2. Keypad or Button Interface: The chip can be used to interface with a keypad or a set of buttons. Each button can be connected to an input pin, and the microcontroller can read the button states through the I2C interface. 3. LED Control: The PCA9557BS,118 can be used to control multiple LEDs. Each LED can be connected to an output pin, and the microcontroller can control the LED states by writing to the chip's registers over the I2C bus. 4. Sensor Interface: The chip can be used to interface with various sensors that have digital outputs. The sensor outputs can be connected to the input pins, and the microcontroller can read the sensor data through the I2C interface.These are just a few examples of the advantages and application scenarios of the PCA9557BS,118. The specific use cases may vary depending on the requirements of your project or application.
PCA9557BS,118 Relevant information