PCA9672BS,118

Product Overview

Category

PCA9672BS,118 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• The PCA9672BS,118 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 PCA9672BS,118 is available in a small package, making it easy to integrate into different designs.

Package

The PCA9672BS,118 is available in a small outline package (SOT96-1) with 24 pins.

Essence

The essence of PCA9672BS,118 lies in its ability to expand the number of available I/O pins on a microcontroller or other devices, allowing for efficient control of multiple LEDs or other devices.

Packaging/Quantity

The PCA9672BS,118 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Number of I/O Pins: 16
• Interface: I2C-bus
• Output Type: Open-drain, active-low
• Standby Current: 1 μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCA9672BS,118 has a total of 24 pins. The pin configuration is as follows:

1. SDA - I2C-bus serial data input/output
2. SCL - I2C-bus serial clock input 3-18. O0-O15 - Open-drain, active-low outputs
3. VDD - Supply voltage
4. GND - Ground
5. A0 - Address input bit 0
6. A1 - Address input bit 1
7. RESET - Reset input
8. INT - Interrupt output

Functional Features

• The PCA9672BS,118 provides a simple and efficient way to control multiple LEDs or other devices using the I2C-bus interface.
• It allows for individual control of each output pin, enabling various lighting patterns or device states.
• The device supports software programmable I2C-bus addresses, allowing for easy integration into different systems.
• It has built-in protection features such as overtemperature shutdown and open-drain short-circuit detection.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for space-constrained and energy-efficient applications.
• Easy integration with microcontrollers and other devices through the I2C-bus interface.
• Individual control of each output pin provides flexibility in creating different lighting patterns or device states.
• Built-in protection features enhance reliability and prevent damage to the device.

Disadvantages

• Limited number of I/O pins (16) may not be sufficient for applications requiring a large number of controlled devices.
• Requires knowledge of I2C-bus protocol for proper usage and configuration.

Working Principles

The PCA9672BS,118 operates by receiving commands and data through the I2C-bus interface. It interprets these commands to control the state of its 16 output pins. Each output pin can be independently set to either a high-impedance state or an active-low state, allowing for control of LEDs or other devices connected to these pins.

Detailed Application Field Plans

The PCA9672BS,118 finds applications in various fields, including but not limited to:

1. LED Lighting Systems: It can be used to control the brightness and color of individual LEDs in lighting systems, allowing for dynamic lighting effects.
2. Automotive Electronics: The device can be utilized in automotive applications such as interior/exterior lighting control, dashboard indicators, and signaling systems.
3. Industrial Automation: It can be employed in industrial automation systems for controlling status indicators, machine monitoring, and equipment control.
4. Consumer Electronics: The PCA9672BS,118 can be integrated into consumer electronic devices like smart home systems, wearable devices, and gaming peripherals for LED control and indication purposes.

Detailed and Complete Alternative Models

• PCA9538PW,112
• MCP23017-E/SP
• MAX7313ATE+
• TCA9539PW,118
• PCF8574T/3,518

These alternative models offer similar functionality and can be considered as alternatives to the PCA9672BS,118 based on specific application requirements.

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