Texas Instruments

LM5121QMHE/NOPB  

DC DC Switching Controllers

LM5121QMHE/NOPB Description

The LM5121QMHE/NOPB is a high-performance synchronous boost controller designed for automotive applications, manufactured by Texas Instruments. This device is part of the DC-DC switching controllers category and offers a robust and efficient solution for voltage boosting needs. The LM5121QMHE/NOPB features a wide input voltage range of 4.5V to 65V, making it suitable for a variety of power supply requirements. It supports switching frequencies up to 1MHz, ensuring high efficiency and fast transient response. The device is packaged in a surface-mount format, specifically in a tape and reel (TR) package, which is ideal for automated assembly processes.

LM5121QMHE/NOPB Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: Up to 1MHz
• Voltage - Supply (Vcc/Vdd): 4.5V to 65V
• Control Features: Frequency Control, Soft Start
• Duty Cycle (Max): 100%
• Output Phases: 1
• Clock Sync: Yes
• Number of Outputs: 1
• Synchronous Rectifier: No
• Product Status: Active
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance: ROHS3 Compliant, REACH Unaffected
• Grade: Automotive
• Topology: Boost
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Base Product Number: LM5121

The LM5121QMHE/NOPB stands out with its wide input voltage range, which allows it to operate efficiently across various power supply conditions. Its ability to synchronize with an external clock ensures precise timing and coordination in complex power systems. The inclusion of frequency control and soft start features enhances the reliability and stability of the power conversion process.

LM5121QMHE/NOPB Applications

The LM5121QMHE/NOPB is ideal for applications requiring a reliable and efficient boost converter, particularly in the automotive industry. Its automotive grade and wide input voltage range make it suitable for:

• Automotive Electronics: Powering various electronic systems in vehicles, including infotainment systems, advanced driver-assistance systems (ADAS), and electric vehicle (EV) components.
• Industrial Systems: Providing stable power supply for industrial control units and sensors.
• Telecommunications: Ensuring reliable power delivery in base stations and communication equipment.

The device's ability to operate at high switching frequencies and its compact surface-mount package make it an excellent choice for space-constrained designs. Its compliance with automotive standards ensures robustness and reliability in harsh operating conditions.

Conclusion of LM5121QMHE/NOPB

The LM5121QMHE/NOPB from Texas Instruments is a versatile and high-performance synchronous boost controller tailored for automotive applications. Its wide input voltage range, high switching frequency, and comprehensive control features make it a reliable choice for power conversion needs. The device's automotive grade and compliance with industry standards ensure it meets the stringent requirements of modern automotive electronics. Whether used in automotive systems, industrial applications, or telecommunications, the LM5121QMHE/NOPB offers a robust and efficient solution for voltage boosting, ensuring reliable power delivery and system performance.

LM5121QMHE/NOPB Documents

Download datasheets and manufacturer documentation for LM5121QMHE/NOPB

Datasheets :

LM5121/-Q1