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PCA9535PW

PCA9535PW

Manufacturer No:

PCA9535PW

Manufacturer:

Texas Instruments

Description:

IC XPND 400KHZ I2C SMBUS 24TSSOP

Datasheet:

Datasheet

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PCA9535PW Specifications

  • Type
    Parameter
  • Supplier Device Package
    24-TSSOP
  • Package / Case
    24-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
    16
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    -
The PCA9535PW is an integrated circuit chip that belongs to the PCA953x family of devices. It is an 16-bit I/O expander with an I2C interface, which provides general-purpose parallel input/output expansion for I2C-bus or SMBus applications. Here are some advantages and application scenarios of the PCA9535PW chip:Advantages: 1. Expandability: The PCA9535PW allows for expanding the number of I/O pins available on a microcontroller or other devices. It provides 16 additional I/O pins, which can be configured as inputs or outputs. 2. Simplified design: By using the PCA9535PW, designers can reduce the complexity of their circuitry by offloading the I/O requirements to the expander chip. This can simplify the overall design and reduce the number of pins required on the microcontroller. 3. I2C interface: The chip communicates over the I2C bus, which is a widely used standard for communication between integrated circuits. This makes it compatible with a wide range of microcontrollers and other devices that support I2C. 4. Low power consumption: The PCA9535PW is designed to operate with low power consumption, making it suitable for battery-powered or energy-efficient applications.Application scenarios: 1. LED control: The PCA9535PW can be used to control multiple LEDs in various applications. By configuring the I/O pins as outputs, the chip can drive LEDs directly, allowing for easy control and management of LED arrays. 2. Keypad or button interface: The chip can be used to interface with a keypad or a set of buttons. By configuring the I/O pins as inputs, the chip can detect button presses and communicate the status to the microcontroller. 3. Sensor interface: The PCA9535PW can be used to interface with various sensors that require digital inputs or outputs. By configuring the appropriate pins as inputs or outputs, the chip can communicate with sensors and relay the data to the microcontroller. 4. GPIO expansion: In applications where the microcontroller has limited I/O pins, the PCA9535PW can be used to expand the available GPIOs. This allows for connecting additional devices or peripherals that require digital inputs or outputs.Overall, the PCA9535PW chip offers expandability, simplified design, compatibility, and low power consumption, making it suitable for a wide range of applications requiring additional I/O pins.
PCA9535PW Relevant information