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PCA9552D,118
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PCA9552D,118

Product Overview

Category

The PCA9552D,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of I/O expanders.

Use

This product is primarily used for expanding the input/output (I/O) capabilities of microcontrollers or other digital systems. It allows for additional digital inputs and outputs to be controlled using a minimal number of pins on the host device.

Characteristics

  • Low power consumption
  • Wide operating voltage range
  • High-speed I²C-bus interface
  • 16 programmable I/O pins
  • Interrupt output capability
  • Internal power-on reset
  • Noise filter on SCL/SDA inputs
  • ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101

Package

The PCA9552D,118 is available in a small outline package (SOT96-1), also known as a TSSOP-16 package. This package offers a compact size and ease of integration into various electronic systems.

Essence

The essence of the PCA9552D,118 lies in its ability to provide additional I/O pins for controlling various devices without requiring a significant number of pins on the host microcontroller.

Packaging/Quantity

The PCA9552D,118 is typically supplied in reels containing 2500 units per reel. This packaging format ensures convenient handling during manufacturing processes.

Specifications

  • Supply Voltage: 2.3 V to 5.5 V
  • I/O Voltage: 1.8 V to 5.5 V
  • Operating Temperature Range: -40°C to +85°C
  • I²C-bus Frequency: Up to 400 kHz
  • Maximum Output Current: ±10 mA
  • Standby Current: 1 μA (typical)

Detailed Pin Configuration

The PCA9552D,118 features a total of 16 pins, each serving a specific purpose. The pin configuration is as follows:

Pin Number | Pin Name | Description -----------|----------|------------ 1 | SDA | Serial Data Input/Output 2 | SCL | Serial Clock Input 3-10 | P0-P7 | Programmable I/O Pins 11 | INT | Interrupt Output 12-15 | NC | No Connection 16 | GND | Ground

Functional Features

  • I²C-bus Interface: The PCA9552D,118 utilizes the popular I²C-bus interface for communication with the host device, enabling easy integration into existing systems.
  • Programmable I/O Pins: The 16 I/O pins can be individually configured as inputs or outputs, providing flexibility in controlling various devices.
  • Interrupt Output: The INT pin can be used to generate an interrupt signal to the host microcontroller, allowing for efficient event-driven processing.

Advantages and Disadvantages

Advantages

  • Simplifies I/O expansion by requiring fewer pins on the host device
  • Low power consumption enhances energy efficiency
  • Wide operating voltage range allows compatibility with different systems
  • Noise filter on SCL/SDA inputs improves signal integrity
  • ESD protection ensures robustness against electrostatic discharge

Disadvantages

  • Limited number of I/O pins may not suffice for applications requiring extensive I/O capabilities
  • Lack of built-in pull-up resistors may require external components in certain scenarios

Working Principles

The PCA9552D,118 operates by receiving commands and data from the host microcontroller via the I²C-bus interface. It interprets these commands to configure the I/O pins as either inputs or outputs. The state of the input pins can be read by the host device, while the output pins can be controlled to drive external devices.

Detailed Application Field Plans

The PCA9552D,118 finds applications in various fields where additional I/O capabilities are required. Some potential application areas include:

  1. Industrial Automation: Used for controlling sensors, actuators, and other peripheral devices in industrial automation systems.
  2. Home Automation: Enables the control of lights, appliances, and security systems in smart homes.
  3. Automotive Electronics: Provides expanded I/O for automotive applications such as lighting control, climate control, and dashboard instrumentation.
  4. Consumer Electronics: Used in devices like gaming consoles, home entertainment systems, and wearable devices to enhance user interaction and connectivity.

Detailed and Complete Alternative Models

  • PCA9552PW,112
  • PCA9552BS,118
  • PCA9552BS,112
  • PCA9552BS,118
  • PCA9552BS,112

These alternative models offer similar functionality and pin configuration to the PCA9552D,118, providing options for different package types

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi PCA9552D,118 dalam penyelesaian teknikal

  1. What is the PCA9552D,118?
    The PCA9552D,118 is a 16-bit I2C-bus and SMBus I/O expander optimized for dimming LEDs in 256 discrete steps.

  2. How many GPIO pins does the PCA9552D,118 have?
    The PCA9552D,118 has 16 GPIO pins.

  3. What is the maximum frequency of the PCA9552D,118?
    The maximum frequency of the PCA9552D,118 is 400 kHz.

  4. Can the PCA9552D,118 be used to control LED brightness?
    Yes, the PCA9552D,118 is specifically designed for dimming LEDs in 256 discrete steps.

  5. Is the PCA9552D,118 compatible with I2C and SMBus interfaces?
    Yes, the PCA9552D,118 is compatible with both I2C and SMBus interfaces.

  6. What is the supply voltage range for the PCA9552D,118?
    The supply voltage range for the PCA9552D,118 is 2.3 V to 5.5 V.

  7. Can the PCA9552D,118 be cascaded to control more than 16 GPIO pins?
    Yes, multiple PCA9552D,118 devices can be cascaded to control a larger number of GPIO pins.

  8. Does the PCA9552D,118 have built-in ESD protection?
    Yes, the PCA9552D,118 features ESD protection on all pins.

  9. What is the package type of the PCA9552D,118?
    The PCA9552D,118 is available in a TSSOP package.

  10. Are there any application notes or reference designs available for using the PCA9552D,118?
    Yes, application notes and reference designs are available from the manufacturer for using the PCA9552D,118 in various technical solutions.