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LMR43620MSC5RPERQ1

LMR43620MSC5RPERQ1 Description

The LMR43620MSC5RPERQ1 from Texas Instruments is a high-performance, automotive-grade synchronous buck DC/DC converter designed for demanding power management applications. This 2A output current regulator operates over a wide 3V to 36V input voltage range, making it suitable for automotive, industrial, and telecom systems. It features an adjustable output voltage (1V to 34.2V) with a fixed 5V option, ensuring flexibility in diverse designs. The device integrates a 2.2MHz switching frequency, enabling compact PCB layouts with minimal external components. Packaged in a 9-pin VQFN (Wettable Flank), it meets stringent automotive reliability standards (AEC-Q100 qualified) and is RoHS3/REACH compliant.

LMR43620MSC5RPERQ1 Features

• Automotive-Grade Reliability: AEC-Q100 qualified for harsh environments, with MSL 2 (1 Year) moisture sensitivity.
• High Efficiency: Synchronous rectification and 2.2MHz switching reduce power losses and thermal stress.
• Wide Input Range: Supports 3V–36V inputs, ideal for 12V/24V automotive batteries or industrial power rails.
• Compact Design: 9VQFN wettable-flank package enhances solder joint inspection for automotive PCB assembly.
• Flexible Output: Adjustable (1V–34.2V) or fixed 5V output, catering to low-voltage MCUs/FPGAs or sensors.
• Low EMI: Optimized switching topology minimizes noise, critical for ADAS and infotainment systems.

LMR43620MSC5RPERQ1 Applications

• Automotive Systems: Engine control units (ECUs), LED lighting, and infotainment due to its AEC-Q1 compliance.
• Industrial Power Supplies: PLCs, factory automation, and robotics leveraging its wide input range and robustness.
• Portable Devices: Battery-powered equipment requiring high efficiency and small footprint.
• Telecom Infrastructure: Base stations and networking hardware benefiting from low EMI and stable 5V/3.3V outputs.

Conclusion of LMR43620MSC5RPERQ1

The LMR43620MSC5RPERQ1 stands out as a versatile, high-reliability buck regulator, combining automotive durability, compact design, and efficiency. Its synchronous rectification and 2.2MHz operation make it superior to non-synchronous or lower-frequency alternatives, reducing BOM cost and board space. Ideal for 12V/24V automotive and industrial systems, it addresses stringent power requirements while ensuring compliance with environmental and safety standards. Texas Instruments’ robust support further enhances its adoption in mission-critical applications.