STMicroelectronics

M5481B7

M5481B7 Description

The M5481B7 is a 7-segment, 2-digit LED driver IC designed for through-hole mounting, featuring a robust and versatile design suitable for a variety of display applications. Manufactured by STMicroelectronics, this IC is part of the Power Management (PMIC) category and is housed in a 20-pin DIP package. It operates within a supply voltage range of 4.5V to 13.2V and draws a supply current of 7 mA. The M5481B7 is equipped with a serial interface for efficient data communication and control. Despite being marked as obsolete, it remains a reliable choice for applications requiring a straightforward, low-power display solution.

M5481B7 Features

• Display Type: The M5481B7 features a 7-segment, 2-digit LED display, providing clear and visible output for numerical and some alphanumeric characters.
• Supply Voltage and Current: It operates within a wide voltage range of 4.5V to 13.2V and consumes only 7 mA of supply current, making it suitable for low-power applications.
• Mounting Type: The through-hole mounting type ensures secure and reliable installation on printed circuit boards (PCBs).
• Interface: The serial interface allows for efficient data transmission and control, simplifying the integration process.
• Compliance: The M5481B7 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level (MSL): Rated at MSL 3 (168 hours), it is suitable for environments with moderate humidity levels.
• Packaging: Supplied in a tube package, which facilitates easy handling and storage.

M5481B7 Applications

The M5481B7 is ideal for applications requiring a compact and efficient display solution. Its 7-segment, 2-digit LED display is particularly suited for:

• Consumer Electronics: Devices such as digital clocks, calculators, and small appliances that require a simple numerical display.
• Industrial Equipment: Control panels and monitoring devices where a clear and reliable display is essential.
• Automotive: Dashboard displays and control units that need a straightforward and low-power display solution.
• Medical Devices: Instruments that require a clear and concise numerical display for monitoring and control.

Conclusion of M5481B7

The M5481B7, manufactured by STMicroelectronics, is a versatile and reliable 7-segment, 2-digit LED driver IC. Its wide operating voltage range, low supply current, and serial interface make it an efficient choice for low-power display applications. Despite being marked as obsolete, its robust design and compliance with environmental standards ensure it remains a viable option for various industrial and consumer applications. The M5481B7's through-hole mounting and tube packaging further enhance its ease of use and integration into existing systems.