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PCA9538PW/Q900,118

PCA9538PW/Q900,118

Manufacturer No:

PCA9538PW/Q900,118

Manufacturer:

NXP USA Inc.

Description:

IC XPND 400KHZ I2C SMBUS 16TSSOP

Datasheet:

Datasheet

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PCA9538PW/Q900,118 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
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • 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 PCA9538PW/Q900,118 is an integrated circuit chip that belongs to the PCA9538 family of devices. It is an 8-bit I2C-bus and SMBus I/O expander with an interrupt output and configurable I/O pins. Here are some advantages and application scenarios of this chip:Advantages: 1. Expandability: The PCA9538PW/Q900,118 allows for expanding the number of I/O pins available on a microcontroller or microprocessor. It provides 8 additional I/O pins, which can be configured as inputs or outputs. 2. I2C Interface: It communicates with the host microcontroller or microprocessor using the I2C-bus interface, which is a widely used and standardized communication protocol. This simplifies the integration of the chip into existing systems. 3. Interrupt Output: The chip has an interrupt output pin that can be used to notify the host controller about changes in the input pins' states. This feature helps in reducing the need for continuous polling of the input pins. 4. Configurability: Each I/O pin can be individually configured as an input or output. This flexibility allows for various application scenarios and customization based on specific requirements.Application Scenarios: 1. Expanding I/O Ports: The PCA9538PW/Q900,118 is commonly used in applications where the available I/O pins on the microcontroller or microprocessor are insufficient. It can be used to add more digital inputs or outputs, enabling the connection of additional sensors, actuators, or other peripheral devices. 2. LED Control: The chip can be used to control multiple LEDs in applications such as LED displays, lighting systems, or status indicators. The I/O pins can be configured as outputs to drive the LEDs, and the interrupt output can be used to detect changes in the LED states. 3. Keypad or Button Interface: In systems requiring a keypad or button interface, the PCA9538PW/Q900,118 can be used to expand the number of available input pins. Each button or key can be connected to an individual I/O pin, and the interrupt output can be used to detect button presses or changes in the keypad state. 4. GPIO Expansion: The chip can be used for general-purpose input/output expansion in various applications, such as industrial automation, home automation, robotics, or IoT devices. It provides a simple and efficient way to increase the number of available I/O pins without requiring complex wiring or additional microcontrollers.Overall, the PCA9538PW/Q900,118 chip offers expandability, configurability, and ease of integration, making it suitable for a wide range of applications requiring additional I/O pins.
PCA9538PW/Q900,118 Relevant information