STMicroelectronics M5450B7

The M5450B7 is an LED driver IC made by STMicroelectronics. It comes in a 40-pin DIP package and has 34 outputs, capable of sinking currents up to 15mA. It is designed to drive 4 or 5-digit LED displays with a character type of 34 segments. The M5450B7 operates between -25 °C to +85 °C temperature range and can handle voltages of 4.75/13.2V.

With its high current sinking capability, support for 4 or 5-digit displays, wide temperature range, and convenient DIP package, it provides reliable and flexible solutions for digital clocks, timers, scoreboards, industrial displays, and consumer electronics.

Specifications​

Features and Applications

Here are the key features and applications of the M5450B7:

Key Features:

• 34 outputs: The M5450B7 has 34 outputs, allowing for the control of multiple segments in LED display applications.
• High current sinking capability: It can sink currents up to 15mA, ensuring bright and vivid LED display output.
• 4 or 5-digit display support: The IC is designed to drive 4 or 5-digit LED displays, offering flexibility for different display configurations.
• Wide operating temperature range: The M5450B7 operates reliably in a temperature range from -25°C to +85°C, making it suitable for various environments.
• Simple DIP package: It comes in a 40-pin DIP package, providing ease of integration and installation.

Applications:

• Digital clocks: The M5450B7 is commonly used in digital clock applications, where it can drive multiple segments to display time and other information.
• Timers: It finds applications in timers where precise timing information needs to be displayed on LED screens.
• Scoreboards: The IC is suitable for driving LED segments in scoreboards used in sports events or other competitive activities.
• Industrial displays: It can be used in various industrial displays, including control panels, equipment interfaces, and status indicators.
• Consumer electronics: The M5450B7 is applicable to consumer electronic devices such as appliances, audio equipment, and measurement instruments that require LED display output.

Datasheet Download: M5450B7 Datasheet

ECAD Model: PCB Symbol and Footprint

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