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PCA9554DGVR
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PCA9554DGVR

Product Overview

Category

PCA9554DGVR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for input/output (I/O) expansion in various electronic devices.

Characteristics

  • I2C-bus interface compatibility
  • 8-bit remote I/O port with interrupt and reset
  • Low standby current consumption
  • Schmitt trigger inputs for noise suppression
  • Open-drain active-low interrupt output
  • ESD protection exceeds JESD 22, 2000-V human-body model (A114-A)
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA

Package

PCA9554DGVR is available in a small form factor VSSOP package.

Essence

The essence of PCA9554DGVR lies in its ability to provide additional I/O ports for electronic devices, enabling them to connect and communicate with other peripherals.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities of 2500 units per reel.

Specifications

  • Supply voltage range: 2.3V to 5.5V
  • Input voltage range: 0V to VDD
  • Operating temperature range: -40°C to +85°C
  • I2C-bus frequency: 100 kHz, 400 kHz, and 1 MHz

Detailed Pin Configuration

  1. SDA: Serial data input/output pin
  2. SCL: Serial clock input pin
  3. A0: Address select input pin
  4. A1: Address select input pin
  5. A2: Address select input pin
  6. RESET: Active-low reset input pin
  7. INT: Active-low interrupt output pin
  8. GND: Ground pin
  9. P00-P07: General-purpose I/O pins

Functional Features

  • I2C-bus interface allows easy integration with other devices
  • 8-bit remote I/O port provides additional input/output capabilities
  • Interrupt and reset functionality enhance system control
  • Schmitt trigger inputs ensure reliable operation in noisy environments
  • ESD protection safeguards against electrostatic discharge
  • Low standby current consumption minimizes power usage

Advantages and Disadvantages

Advantages

  • Easy integration with existing systems due to I2C-bus compatibility
  • Provides additional I/O ports, expanding device connectivity
  • Reliable operation in noisy environments
  • Protection against electrostatic discharge
  • Low power consumption during standby mode

Disadvantages

  • Limited number of I/O ports available (8-bit)

Working Principles

PCA9554DGVR operates by utilizing the I2C-bus interface to communicate with a microcontroller or other devices. It expands the available I/O ports by providing an 8-bit remote I/O port. The device can be controlled and monitored through the I2C-bus, allowing for flexible integration into various electronic systems.

Detailed Application Field Plans

PCA9554DGVR finds applications in a wide range of fields, including but not limited to: 1. Industrial automation 2. Consumer electronics 3. Automotive systems 4. Internet of Things (IoT) devices 5. Robotics 6. Medical equipment

Detailed and Complete Alternative Models

  1. PCA9554PW: This model offers the same features and specifications as PCA9554DGVR but comes in a TSSOP package.
  2. PCA9554DB: Similar to PCA9554DGVR, this model is available in a SSOP package.
  3. PCA9554DWR: This alternative model is also compatible with PCA9554DGVR and comes in a SOIC package.

These alternative models provide flexibility in terms of package options while maintaining the same functionality and characteristics as PCA9554DGVR.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PCA9554DGVR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of PCA9554DGVR in technical solutions:

  1. Q: What is PCA9554DGVR? A: PCA9554DGVR is a 16-bit I/O expander with an I2C interface, which allows for easy expansion of GPIO (General Purpose Input/Output) pins in various technical applications.

  2. Q: What is the maximum voltage that PCA9554DGVR can handle? A: PCA9554DGVR can handle a maximum voltage of 5.5V.

  3. Q: How many GPIO pins does PCA9554DGVR provide? A: PCA9554DGVR provides 16 GPIO pins that can be configured as either inputs or outputs.

  4. Q: Can PCA9554DGVR be used with both 3.3V and 5V microcontrollers? A: Yes, PCA9554DGVR is compatible with both 3.3V and 5V microcontrollers, making it versatile for different system requirements.

  5. Q: How is PCA9554DGVR controlled? A: PCA9554DGVR is controlled through the I2C bus, allowing for easy communication with a microcontroller or other devices.

  6. Q: Can PCA9554DGVR be used for PWM (Pulse Width Modulation) applications? A: No, PCA9554DGVR is not designed for PWM applications. It is primarily used for digital input/output operations.

  7. Q: What is the maximum current that PCA9554DGVR can sink/source per GPIO pin? A: PCA9554DGVR can sink/source up to 25mA per GPIO pin.

  8. Q: Can PCA9554DGVR be cascaded to expand the number of GPIO pins? A: Yes, multiple PCA9554DGVR devices can be cascaded together to expand the number of available GPIO pins in a system.

  9. Q: Does PCA9554DGVR have built-in pull-up resistors for the GPIO pins? A: Yes, PCA9554DGVR has configurable internal pull-up resistors that can be enabled or disabled as per the application requirements.

  10. Q: Can PCA9554DGVR operate in a low-power mode? A: Yes, PCA9554DGVR has a low-power mode that reduces power consumption when the device is not actively used, making it suitable for battery-powered applications.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of PCA9554DGVR.