Texas Instruments

LM3671QMFX-1.2/NOPB  

DC Switching Voltage Regulators

LM3671QMFX-1.2/NOPB Description

The LM3671QMFX-1.2/NOPB is a high-performance buck regulator designed for automotive applications, offering a fixed output voltage of 1.2V and a maximum output current of 600mA. Manufactured by Texas Instruments, this regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it suitable for surface-mount applications. The device operates within an input voltage range of 2.7V to 5.5V and features a switching frequency of 2MHz, ensuring efficient power conversion. With a synchronous rectifier, the LM3671QMFX-1.2/NOPB achieves high efficiency and low power loss, making it ideal for applications requiring minimal heat dissipation. The regulator is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It also has a moisture sensitivity level (MSL) of 1, allowing for unlimited exposure to ambient conditions without degradation. The LM3671QMFX-1.2/NOPB is available in tape and reel (TR) packaging, facilitating automated assembly processes.

LM3671QMFX-1.2/NOPB Features

• Fixed Output Voltage: The LM3671QMFX-1.2/NOPB provides a stable 1.2V output voltage, ensuring consistent power delivery to sensitive automotive electronics.
• Wide Input Voltage Range: With an input voltage range of 2.7V to 5.5V, the regulator can accommodate various power sources, enhancing its versatility.
• High Efficiency: The synchronous rectifier design ensures high efficiency, reducing power loss and heat generation, which is crucial for automotive applications where thermal management is critical.
• Compact Form Factor: The SOT23-5 package allows for integration into space-constrained automotive systems, such as infotainment units and advanced driver-assistance systems (ADAS).
• Automotive Grade: Certified for automotive use, the LM3671QMFX-1.2/NOPB meets stringent reliability and performance standards required in the automotive industry.
• Environmental Compliance: The regulator is REACH unaffected and RoHS3 compliant, ensuring it meets environmental regulations and can be used in eco-friendly designs.
• Moisture Sensitivity Level 1: The MSL 1 rating allows for unlimited exposure to ambient conditions, making it suitable for manufacturing processes that may involve extended exposure to moisture.

LM3671QMFX-1.2/NOPB Applications

The LM3671QMFX-1.2/NOPB is ideally suited for a variety of automotive applications where high efficiency, compact size, and reliability are paramount. Specific use cases include:

• Infotainment Systems: Providing stable power to automotive infotainment units, ensuring uninterrupted operation and high performance.
• Advanced Driver-Assistance Systems (ADAS): Supplying power to critical ADAS components, such as cameras and sensors, which require precise voltage regulation and minimal power loss.
• Battery Management Systems: Offering efficient power conversion for battery management systems, enhancing overall system efficiency and reliability.
• Onboard Electronics: Powering various onboard electronic modules, such as ECUs and control units, which demand high reliability and performance.

Conclusion of LM3671QMFX-1.2/NOPB

The LM3671QMFX-1.2/NOPB stands out as a robust and efficient buck regulator tailored for automotive applications. Its combination of a fixed 1.2V output, wide input voltage range, and high efficiency makes it an ideal choice for powering sensitive automotive electronics. The compact SOT23-5 package and automotive-grade certification further enhance its suitability for space-constrained and demanding automotive environments. With its environmental compliance and moisture sensitivity level 1 rating, the LM3671QMFX-1.2/NOPB not only meets but exceeds industry standards, making it a reliable and future-proof solution for modern automotive power management needs.

LM3671QMFX-1.2/NOPB Documents

Download datasheets and manufacturer documentation for LM3671QMFX-1.2/NOPB

Datasheets :

LM3671 Datasheet      

Design Resources :

LM3671-Q1 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM3671 Datasheet      

PCN Design/Specification :

LM3671/-Q1 DataSheet Update 21/Jul/2016