PCA8550D,112

Product Overview

Category

PCA8550D,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LEDs in applications such as backlighting and displays.

Characteristics

• The PCA8550D,112 is a versatile LED driver with 16 output channels.
• It operates at a wide voltage range, making it suitable for various applications.
• This IC offers high efficiency and low power consumption.
• It supports both dot correction and global brightness control.

Package

The PCA8550D,112 is available in a small outline package (SOP) with 24 pins.

Essence

The essence of PCA8550D,112 lies in its ability to efficiently drive multiple LEDs, providing control over brightness levels and enabling precise dot correction.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2.3V to 5.5V
• Output Current: Up to 25mA per channel
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C-compatible

Detailed Pin Configuration

1. VDD
2. GND
3. SDA
4. SCL
5. OE
6. O0
7. O1
8. O2
9. O3
10. O4
11. O5
12. O6
13. O7
14. O8
15. O9
16. O10
17. O11
18. O12
19. O13
20. O14
21. O15
22. VLED
23. VLED
24. VLED

Functional Features

• Individual control of each LED output channel
• Dot correction for precise brightness adjustment
• Global brightness control for overall luminance control
• Low power consumption in standby mode
• High efficiency and reliability

Advantages and Disadvantages

Advantages

• Versatile LED driver with 16 output channels
• Wide voltage range operation
• Supports dot correction and global brightness control
• High efficiency and low power consumption

Disadvantages

• Limited to driving LEDs and not suitable for other applications
• Requires an I2C-compatible communication interface

Working Principles

The PCA8550D,112 operates by receiving control signals through the I2C-compatible communication interface. It then processes these signals to drive the corresponding LEDs connected to its output channels. The IC allows individual control of each LED channel, enabling precise brightness adjustment and dot correction. The global brightness control feature provides overall luminance control.

Detailed Application Field Plans

The PCA8550D,112 finds application in various fields, including: 1. Backlighting for LCD displays 2. Automotive interior lighting 3. Signage and advertising displays 4. Gaming consoles and handheld devices 5. Home automation and smart lighting systems

Detailed and Complete Alternative Models

1. PCA9685: This LED driver offers 16 channels and supports PWM control.
2. TLC5940: A 16-channel LED driver with grayscale control and daisy-chain capability.
3. MAX7219: This IC is commonly used for driving 7-segment displays and LED matrices.
4. AS1130: An LED driver with 132 output channels and built-in matrix scanning capabilities.

These alternative models provide similar functionality to the PCA8550D,112 and can be considered as alternatives based on specific requirements.

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