TLC5923DAPRG4

Product Overview

Category

TLC5923DAPRG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LED displays and lighting applications.

Characteristics

• The TLC5923DAPRG4 is a 16-channel constant current sink driver.
• It operates with a wide supply voltage range of 3V to 5.5V.
• The device can sink up to 120mA per channel, making it suitable for high-power LED applications.
• It offers a high clock frequency of up to 30MHz, enabling fast data transfer.
• The TLC5923DAPRG4 features thermal shutdown protection to prevent overheating.

Package

The TLC5923DAPRG4 comes in a small outline package (SOP) with 20 pins.

Essence

The essence of this product lies in its ability to efficiently drive LED displays and lighting systems by providing a constant current sink.

Packaging/Quantity

The TLC5923DAPRG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Maximum Sink Current per Channel: 120mA
• Clock Frequency: Up to 30MHz
• Thermal Shutdown Protection: Yes
• Package Type: SOP-20

Detailed Pin Configuration

The TLC5923DAPRG4 has a total of 20 pins, which are assigned as follows:

1. GND - Ground
2. OUT0 - Output Channel 0
3. OUT1 - Output Channel 1
4. OUT2 - Output Channel 2
5. OUT3 - Output Channel 3
6. OUT4 - Output Channel 4
7. OUT5 - Output Channel 5
8. OUT6 - Output Channel 6
9. OUT7 - Output Channel 7
10. OUT8 - Output Channel 8
11. OUT9 - Output Channel 9
12. OUT10 - Output Channel 10
13. OUT11 - Output Channel 11
14. OUT12 - Output Channel 12
15. OUT13 - Output Channel 13
16. OUT14 - Output Channel 14
17. OUT15 - Output Channel 15
18. VCC - Supply Voltage
19. BLANK - Blank Input
20. SCLK - Serial Clock Input

Functional Features

• The TLC5923DAPRG4 provides 16 channels of constant current sink, allowing precise control of LED brightness.
• It supports serial data input, enabling easy integration with microcontrollers or other digital devices.
• The device offers a blanking input for multiplexing applications, allowing efficient utilization of LED displays.
• With its high clock frequency, the TLC5923DAPRG4 ensures fast and accurate data transfer.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various power sources.
• High sink current per channel enables driving of high-power LEDs.
• Thermal shutdown protection prevents overheating and enhances safety.
• Small package size facilitates space-saving designs.

Disadvantages

• Limited to driving LED displays and lighting applications, not suitable for other types of loads.
• Requires external components (resistors) for setting the desired current levels.

Working Principles

The TLC5923DAPRG4 operates by receiving serial data input, which contains information about the desired brightness levels for each LED channel. The device then converts this data into corresponding constant current sink outputs. By adjusting the current levels, the TLC5923DAPRG4 controls the brightness of connected LEDs.

Detailed Application Field Plans

The TLC5923DAPRG4 finds extensive use in various applications, including:

1. LED displays for advertising boards and information panels.
2. Automotive lighting systems, such as rear lights and dashboard indicators.
3. Decorative lighting installations, both indoor and outdoor.
4. Backlighting for LCD screens and keypads.
5. Stage lighting and entertainment industry.

Detailed and Complete Alternative Models

• MAX7219CNG+
• TLC5940PWPR
• HT16K33
• IS31FL3731

These alternative models offer similar functionality to the TLC5923DAPRG4 and can be considered as substitutes depending on specific requirements.

In conclusion, the TLC5923DAPRG4 is a versatile integrated circuit designed for driving LED displays and lighting applications. With its high sink current capability, wide supply voltage range, and thermal shutdown protection, it offers reliable performance and flexibility. Its compact package size makes it suitable for space-constrained designs. However, it is important to note that this IC is limited to LED driving applications and requires external resistors for current control.