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PCA9557D/DG,118

PCA9557D/DG,118

Manufacturer No:

PCA9557D/DG,118

Manufacturer:

NXP USA Inc.

Description:

IC XPNDR 400KHZ I2C SMBUS 16SO

Datasheet:

Datasheet

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PCA9557D/DG,118 Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SO
  • Package / Case
    16-SOIC (0.154", 3.90mm 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
    Open Drain, Push-Pull
  • Features
    POR
  • Interrupt Output
    No
  • Interface
    I²C, SMBus
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Obsolete
  • Series
    -
The PCA9557D/DG,118 is an integrated circuit (IC) chip that belongs to the PCA9557 series of 8-bit I/O expanders with I2C-bus interface. Here are some advantages and application scenarios of this chip:Advantages: 1. I2C-bus interface: The PCA9557D/DG,118 chip uses the I2C-bus interface, which is a widely used communication protocol for connecting multiple devices with a two-wire bus. This interface allows for easy integration and communication with other I2C-compatible devices.2. Expandable I/Os: This chip provides 8 additional general-purpose input/output (GPIO) pins, which can be used to expand the number of I/Os available in a system. These pins can be configured as inputs or outputs individually, providing flexibility in handling multiple signals.3. Low power consumption: The PCA9557D/DG,118 chip is designed for low power consumption, making it suitable for battery-powered or energy-efficient applications. It has a low standby current, which helps conserve power when the chip is not actively processing data.4. Addressable configuration: Multiple PCA9557D/DG,118 chips can be connected to the same I2C-bus, each with a unique address. This allows for scalability and expansion of I/O capabilities in a system without additional wiring or complex addressing schemes.5. Wake-up function: The chip supports a wake-up function that allows it to wake up the system from a low-power or sleep mode. This feature enables power savings by putting the system in a low-power state when not actively processing data.Application Scenarios: 1. Sensor interfaces: The PCA9557D/DG,118 chip can be used to expand the number of GPIO pins to interface with various sensors and input devices. It can be employed in applications such as industrial automation, smart homes, and Internet of Things (IoT) devices.2. Indicator/control interfaces: The chip's GPIO pins can be utilized to control indicators, such as LEDs or LCD panels, or interface with control components such as switches, buttons, or relays. This can find application in consumer electronics, appliances, and automotive systems.3. Expanding microcontroller I/Os: In situations where the available I/O pins on a microcontroller are limited, the PCA9557D/DG,118 chip can act as an I/O expander, providing additional GPIO pins. This can be advantageous in projects that require more I/Os, such as robotics, automation, or prototyping.4. Energy management: The low power consumption and wake-up function of the chip make it suitable for battery-powered devices or energy-conscious systems where power savings are critical. It can be employed in applications like wearable devices, smart meters, or battery-operated equipment.Overall, the PCA9557D/DG,118 chip offers flexible I/O expansion, easy integration via I2C-bus, low power consumption, and diverse application possibilities, making it a versatile choice for various embedded systems and electronic devices.
PCA9557D/DG,118 Relevant information