MM5451YV-TR

Product Overview

Category

MM5451YV-TR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for driving LED displays.

Characteristics

• Package: MM5451YV-TR is available in a 44-pin PLCC package.
• Essence: It is designed to provide efficient control and drive capabilities for LED matrix or numeric displays.
• Packaging/Quantity: The IC is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

The specifications for MM5451YV-TR are as follows:

• Supply Voltage: 4.75V to 5.25V
• Maximum Clock Frequency: 2.5 MHz
• Maximum Output Current: 20 mA
• Maximum Power Dissipation: 500 mW
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration for MM5451YV-TR is as follows:

1. VDD
2. GND
3. CLK
4. STB
5. D0
6. D1
7. D2
8. D3
9. D4
10. D5
11. D6
12. D7
13. D8
14. D9
15. D10
16. D11
17. D12
18. D13
19. D14
20. D15
21. D16
22. D17
23. D18
24. D19
25. D20
26. D21
27. D22
28. D23
29. D24
30. D25
31. D26
32. D27
33. D28
34. D29
35. D30
36. D31
37. D32
38. D33
39. D34
40. D35
41. D36
42. D37
43. D38
44. D39

Functional Features

The MM5451YV-TR offers the following functional features:

• LED Display Control: It provides efficient control and drive capabilities for LED matrix or numeric displays.
• Serial Data Input: The IC accepts serial data input, allowing for easy integration with microcontrollers or other control systems.
• Multiplexing: It supports multiplexing of LED displays, enabling the control of multiple digits or segments using fewer pins.

Advantages and Disadvantages

Advantages

• Efficient LED Display Control
• Serial Data Input for Easy Integration
• Multiplexing Support for Reduced Pin Count

Disadvantages

• Limited Maximum Output Current (20 mA)
• Relatively Low Maximum Clock Frequency (2.5 MHz)

Working Principles

MM5451YV-TR operates by receiving serial data input and converting it into appropriate control signals for driving LED displays. It utilizes multiplexing techniques to control multiple digits or segments using a limited number of pins. The IC's internal circuitry ensures efficient power utilization and reliable display performance.

Detailed Application Field Plans

MM5451YV-TR finds applications in various fields, including but not limited to:

1. Advertising Displays: LED billboards, signage, and promotional displays.
2. Scoreboards: Sports arenas, stadiums, and indoor/outdoor scorekeeping systems.
3. Information Displays: Public transportation boards, airport flight information displays, and train station schedules.
4. Industrial Equipment: Control panels, process monitoring displays, and status indicators.
5. Consumer Electronics: Digital clocks, home appliances, and audio/video equipment.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MM5451YV-TR are:

1. MAX7219: LED display driver IC with serial interface and multiplexing support.
2. TLC5940: 16-channel LED driver IC with grayscale control and daisy-chain capability.
3. HT16K33: LED controller/driver IC with I2C interface and keyscan function.

These alternative models provide options for different requirements and design considerations, allowing flexibility in choosing the most suitable IC for specific applications.

In conclusion, MM5451YV-TR is an integrated circuit designed for driving LED displays. It offers efficient control, serial data input, and multiplexing capabilities. While it has limitations in terms of maximum output current and clock frequency, it finds applications in various fields such as advertising, scoreboards, information displays, industrial equipment, and consumer electronics. Alternative models like MAX7219, TLC5940, and HT16K33 provide additional choices for LED display driving solutions.