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PCF8575DBQRG4

PCF8575DBQRG4

Manufacturer No:

PCF8575DBQRG4

Manufacturer:

Texas Instruments

Description:

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Datasheet:

Datasheet

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PCF8575DBQRG4 Specifications

  • Type
    Parameter
  • Supplier Device Package
    24-SSOP
  • Package / Case
    24-SSOP (0.154", 3.90mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    2.5V ~ 5.5V
  • Clock Frequency
    400 kHz
  • Current - Output Source/Sink
    1mA, 25mA
  • Output Type
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C, SMBus
  • Number of I/O
    16
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Discontinued at Digi-Key
  • Series
    -
The PCF8575DBQRG4 is an integrated circuit chip that belongs to the family of remote 16-bit I/O expanders for the two-line bidirectional bus (I2C) called PCF8575, manufactured by Texas Instruments. This chip offers several advantages and can be applied in various scenarios, some of which include:1. Increased I/O Expansion: The PCF8575DBQRG4 provides an additional 16 I/O pins, which effectively expands the number of available I/O pins of a microcontroller or microprocessor. This is useful for applications that require a higher number of I/Os than what the main controller can offer.2. Simplified I/O Interface: The chip uses an I2C bus interface, which requires only two wires for communication. This simplifies the interface between the chip and the microcontroller, reducing the number of required pins and wiring complexity.3. Reduced Microcontroller Burden: By offloading the I/O handling to the PCF8575DBQRG4, the microcontroller can focus on more critical functions and computations, thereby reducing its processing burden. This is particularly useful in complex systems where the microcontroller's resources are limited.4. Easy Cascading: Multiple PCF8575DBQRG4 chips can be cascaded together using the I2C bus, allowing for even more I/O expansion. This makes it suitable for applications demanding a large number of I/O pins.5. Interrupt Functionality: The device has interrupt capabilities, enabling it to notify the microcontroller of changes on configured I/O pins, reducing the need for continuous polling and improving efficiency.Application scenarios for the PCF8575DBQRG4 include: - Industrial control systems: The chip can be used to expand the number of I/Os in control panels, monitoring systems, and automation equipment. - Data acquisition systems: It enables the connection of a higher number of sensors and input devices to the main controller. - Robotics: The chip can provide additional I/Os for various sensors, actuators, and interfaces, allowing for more complex robotic systems. - Display systems: It can be used to control and expand the number of input/output lines for character or graphical displays in devices like POS terminals, vending machines, or industrial HMI panels.It is important to note that the specific application scenarios may vary depending on the specific requirements and constraints of the system being designed.
PCF8575DBQRG4 Relevant information