MM5450BN

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Display Driver
• Characteristics: High voltage, high current driver for multiplexed displays
• Package: DIP (Dual In-line Package)
• Essence: Efficiently drives LED displays with minimal external components
• Packaging/Quantity: Available in tubes or reels, quantity depends on supplier

Specifications

• Supply Voltage: 5V to 15V
• Maximum Output Current: 500mA
• Number of Outputs: 35
• Display Type: Multiplexed LED display
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MM5450BN IC has a total of 40 pins. The pin configuration is as follows:

1. VDD - Positive power supply
2. GND - Ground
3. CLK - Clock input
4. STB - Strobe input
5. DIN - Data input
6. DOUT - Data output 7-41. SEG1-SEG35 - Segment outputs
7. COM1 - Common cathode 1
8. COM2 - Common cathode 2
9. COM3 - Common cathode 3
10. COM4 - Common cathode 4

Functional Features

• Efficiently drives multiplexed LED displays
• Supports up to 35 segment outputs and 4 common cathodes
• Internal circuitry reduces the need for external components
• Built-in data latches for easy cascading of multiple ICs
• Low power consumption

Advantages and Disadvantages

Advantages: - Simplifies LED display driving - Reduces external component count - Easy to cascade multiple ICs - Wide operating temperature range

Disadvantages: - Limited to driving multiplexed LED displays - Requires external clock and strobe signals

Working Principles

The MM5450BN is designed to drive multiplexed LED displays. It uses a combination of internal circuitry and external signals to control the display. The clock signal determines the timing of data input, while the strobe signal latches the data into the IC. The segment outputs control the individual segments of the display, while the common cathodes control the common connections.

Detailed Application Field Plans

The MM5450BN is commonly used in various applications that require LED display driving. Some of the typical application fields include:

1. Digital clocks and timers
2. Scoreboards and electronic signs
3. Instrumentation panels
4. Industrial control systems
5. Advertising displays

Detailed and Complete Alternative Models

1. MAX7219 - LED Display Driver IC with SPI interface
2. HT16K33 - LED Matrix Driver IC with I2C interface
3. TLC5940 - 16-channel LED Driver IC with grayscale control
4. MAX6951 - LED Display Driver IC with keypad scanning capability
5. AS1115 - 8-digit LED Display Driver IC with keyscan function

These alternative models offer similar functionality to the MM5450BN and can be used as replacements depending on specific requirements.

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