PCA9673PW,112

Product Overview

Category

PCA9673PW,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and driving LEDs in various applications.

Characteristics

• The PCA9673PW,112 is a 16-bit I/O expander with an I2C-bus interface.
• It provides 16 open-drain, active-low outputs that can be used to control LEDs or other devices.
• The device operates from a supply voltage range of 2.3V to 5.5V, making it suitable for a wide range of applications.
• It has a low standby current consumption, which makes it energy-efficient.
• The PCA9673PW,112 is available in a small package, allowing for space-saving designs.

Package

The PCA9673PW,112 is available in a TSSOP package.

Essence

The essence of PCA9673PW,112 lies in its ability to expand the number of available I/O pins, enabling efficient control of multiple LEDs or devices using a single I2C-bus interface.

Packaging/Quantity

The PCA9673PW,112 is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Number of Outputs: 16
• Interface: I2C-bus
• Operating Temperature Range: -40°C to +85°C
• Package Type: TSSOP

Detailed Pin Configuration

The PCA9673PW,112 has a total of 24 pins. The pin configuration is as follows:

1. SDA (Serial Data Input)
2. SCL (Serial Clock Input)
3. RESET (Reset Input)
4. VDD (Supply Voltage)
5. GND (Ground)
6. OUT0 to OUT15 (Output Pins)

Functional Features

• I2C-bus interface for easy communication with a microcontroller or other devices.
• 16 open-drain outputs that can sink up to 25mA each.
• Individual output configuration and control.
• Software programmable LED blinking and dimming.
• Internal power-on reset.

Advantages and Disadvantages

Advantages

• Allows efficient control of multiple LEDs or devices using a single I2C-bus interface.
• Low standby current consumption, making it energy-efficient.
• Small package size for space-saving designs.
• Flexible programming options for LED blinking and dimming.

Disadvantages

• Limited number of outputs (16) may not be sufficient for certain applications requiring a higher number of controlled devices.
• Requires an external microcontroller or device for communication and control.

Working Principles

The PCA9673PW,112 operates by receiving commands and data through the I2C-bus interface from a microcontroller or other devices. It then controls the state of its 16 output pins accordingly, allowing the user to drive LEDs or other devices connected to these pins. The device can be programmed to perform various functions such as blinking and dimming of LEDs.

Detailed Application Field Plans

The PCA9673PW,112 finds application in various fields, including but not limited to:

1. Automotive lighting systems: Controlling and driving LEDs in automotive headlights, taillights, and interior lighting.
2. Consumer electronics: Managing LED indicators on audio/video equipment, home appliances, and gaming consoles.
3. Industrial automation: Controlling status indicators and display panels in industrial machinery and equipment.
4. IoT devices: Enabling efficient control of LEDs in smart home devices, wearables, and sensor modules.

Detailed and Complete Alternative Models

1. PCA9538PW,118: 8-bit I/O expander with I2C-bus interface, suitable for applications requiring fewer I/O pins.
2. PCA9555PW,118: 16-bit I/O expander with interrupt output and hardware reset, offering additional features compared to PCA9673PW,112.
3. MCP23017-E/SP: 16-bit I/O expander with I2C-bus/SPI interface, compatible with both communication protocols.

These alternative models provide similar functionality to the PCA9673PW,112 and can be considered based on specific application requirements.

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