PCA9574BS,118

Product Overview

Category

PCA9574BS,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 PCA9574BS,118 is a low-voltage 8-bit I2C-bus LED driver.
• It can control up to 8 LEDs individually.
• This IC offers a wide operating voltage range, making it suitable for different power supply configurations.
• It provides high-speed I2C-bus communication, allowing for efficient LED control.

Package

The PCA9574BS,118 is available in a small outline package (SOT96-1), which is compact and easy to integrate into electronic devices.

Essence

The essence of PCA9574BS,118 lies in its ability to efficiently control and drive multiple LEDs using the I2C-bus interface.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of PCA9574BS,118 ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Operating Voltage: 2.3V to 5.5V
• Number of Channels: 8
• Communication Interface: I2C-bus
• Maximum Output Current per Channel: 25mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCA9574BS,118 features an 8-pin configuration:

1. SDA: Serial Data Input/Output pin for I2C communication.
2. SCL: Serial Clock Input pin for I2C communication.
3. RESET: Reset Input pin for resetting the device.
4. VDD: Positive Power Supply pin.
5. GND: Ground pin.
6. LED0: LED Output pin 0.
7. LED1: LED Output pin 1.
8. LED2-LED7: LED Output pins 2 to 7.

Functional Features

• Individual control of up to 8 LEDs.
• High-speed I2C-bus communication for efficient LED control.
• Low-voltage operation allows for flexible power supply configurations.
• Reset function for device initialization and synchronization.

Advantages and Disadvantages

Advantages

• Efficient control and driving of multiple LEDs.
• Compact package size for easy integration.
• Wide operating voltage range for flexibility.
• High-speed communication interface for efficient LED control.

Disadvantages

• Limited number of channels (8) may not be sufficient for applications requiring a higher number of LEDs.
• Requires I2C-bus communication, which may add complexity to the system design.

Working Principles

The PCA9574BS,118 operates by receiving commands through the I2C-bus interface. It interprets these commands to control the individual LEDs connected to its output pins. The device can be programmed to turn on/off specific LEDs or adjust their brightness levels. The I2C-bus communication enables seamless integration with microcontrollers or other devices in the system.

Detailed Application Field Plans

The PCA9574BS,118 finds applications in various fields where LED control is required. Some potential application areas include:

1. Automotive lighting systems
2. Consumer electronics
3. Industrial automation
4. Signage and display boards
5. Medical equipment
6. Home appliances

Detailed and Complete Alternative Models

1. PCA9539PW,112: 16-bit I2C-bus LED driver with higher channel count.
2. PCA9685PW,118: 16-channel I2C-bus controlled LED driver with enhanced features.
3. TLC5940NT: 16-channel LED driver with grayscale control capability.

These alternative models offer different channel counts, additional features, or specific functionalities that may better suit certain applications.

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