PCA9673DK,118

Product Overview

Category: Integrated Circuit (IC)

Use: The PCA9673DK,118 is a versatile 16-bit I2C-bus LED driver designed for controlling LEDs in various applications.

Characteristics: - 16 open-drain outputs - Low standby current consumption - Wide operating voltage range - Compatible with I2C-bus interface - Programmable LED brightness levels - Internal power-on reset - Thermal shutdown protection

Package: The PCA9673DK,118 is available in a small outline package (SO) with 24 pins.

Essence: This IC serves as an efficient solution for driving LEDs in different electronic devices and systems.

Packaging/Quantity: The PCA9673DK,118 is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Output Current per Channel: 25mA
• Maximum Output Voltage: VDD
• Operating Temperature Range: -40°C to +85°C
• I2C-bus Frequency: Up to 400kHz

Detailed Pin Configuration

The PCA9673DK,118 has a total of 24 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. SDA: Serial Data Input/Output
2. SCL: Serial Clock Input
3. A0: Address Input Bit 0
4. A1: Address Input Bit 1
5. A2: Address Input Bit 2
6. RESET: Active-Low Reset Input 7-22. O0-O15: Open-Drain Output Pins
7. GND: Ground
8. VDD: Supply Voltage

Functional Features

• Individual LED control: Each of the 16 output pins can be independently controlled to drive LEDs.
• Programmable brightness levels: The PCA9673DK,118 allows users to set different brightness levels for each LED output.
• I2C-bus interface: It is compatible with the widely used I2C-bus communication protocol, enabling easy integration into existing systems.
• Low standby current consumption: The IC consumes minimal power in standby mode, making it suitable for battery-powered applications.
• Thermal shutdown protection: The device includes built-in thermal protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages: - Versatile LED driver suitable for various applications - Individual control of each LED output - Programmable brightness levels offer flexibility - Low standby current consumption extends battery life - Thermal shutdown protection ensures device safety

Disadvantages: - Limited number of output channels (16) - Requires external components for LED connections

Working Principles

The PCA9673DK,118 operates based on the I2C-bus communication protocol. It receives commands from a microcontroller or other I2C-bus master devices to control the state and brightness of each LED output. The IC converts the received data into appropriate signals to drive the connected LEDs accordingly.

Detailed Application Field Plans

The PCA9673DK,118 finds applications in various fields where LED control is required. Some potential application areas include: 1. Automotive lighting systems 2. Display panels and signage 3. Consumer electronics (e.g., TVs, monitors, and audio equipment) 4. Industrial automation and control systems 5. IoT devices and smart home applications

Detailed and Complete Alternative Models

Here are some alternative models that provide similar functionality to the PCA9673DK,118: - PCA9635PW,112 - TLC5916IPWR - MAX6958BEGL+ - AS1130-BQFT

These alternative models can be considered based on specific requirements and availability.

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