Texas Instruments

LM25149QRGYRQ1  

DC DC Switching Controllers

LM25149QRGYRQ1 Description

The LM25149QRGYRQ1 is a high-performance, automotive-grade synchronous buck converter designed by Texas Instruments. This device is optimized for demanding applications requiring reliable power management solutions. With a wide input voltage range of 3.5V to 42V, it supports a switching frequency from 100kHz to 2.2MHz, making it highly versatile for various power supply needs. The LM25149QRGYRQ1 features a transistor driver output configuration with a positive output type, ensuring efficient power delivery. It is packaged in a surface-mount format, specifically in a tape and reel (TR) configuration, which is ideal for automated assembly processes.

LM25149QRGYRQ1 Features

The LM25149QRGYRQ1 offers a comprehensive set of control features, including current limit, dead time control, enable functionality, frequency control, phase control, power good indication, pulse skipping, ramp control, slew control, and soft start capabilities. These features enhance the converter's flexibility and adaptability to different operating conditions. The device also supports a maximum duty cycle of 100%, ensuring maximum efficiency in power conversion. With a single output phase and synchronous rectification, the LM25149QRGYRQ1 achieves high efficiency and reduced power loss, making it suitable for applications where power efficiency is critical. Additionally, the device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance.

LM25149QRGYRQ1 Applications

The LM25149QRGYRQ1 is ideal for automotive applications due to its robust design and compliance with automotive standards. It is particularly well-suited for power distribution systems, infotainment systems, and advanced driver assistance systems (ADAS) where reliability and efficiency are paramount. The wide input voltage range and high switching frequency make it suitable for applications with varying power requirements. The device's control features enable precise power management, making it an excellent choice for applications requiring dynamic power adjustments. Its surface-mount packaging and moisture sensitivity level of 2 (1 year) ensure durability and reliability in harsh environments.

Conclusion of LM25149QRGYRQ1

The LM25149QRGYRQ1 from Texas Instruments is a versatile and reliable synchronous buck converter tailored for automotive applications. Its wide input voltage range, high switching frequency, and comprehensive control features make it a standout choice for demanding power management needs. The device's compliance with environmental and regulatory standards, along with its robust design, ensures long-term reliability and performance. Whether used in power distribution, infotainment systems, or ADAS, the LM25149QRGYRQ1 delivers efficient and dependable power management solutions, making it a preferred choice for engineers and designers in the automotive industry.

LM25149QRGYRQ1 Documents

Download datasheets and manufacturer documentation for LM25149QRGYRQ1