Texas Instruments

LM25122QPWPTQ1  

DC DC Switching Controllers

LM25122QPWPTQ1 Description

The LM25122QPWPTQ1 is a high-performance DC-DC switching controller from Texas Instruments, designed for automotive applications. This device is a transistor driver with a positive output configuration, making it suitable for a variety of power conversion topologies including Boost, Flyback, and SEPIC. The LM25122QPWPTQ1 operates within a wide input voltage range of 3V to 42V, ensuring robust performance across diverse operating conditions. It features a switching frequency of 450kHz, which allows for high efficiency and reduced component size in power supply designs.

LM25122QPWPTQ1 Features

• Wide Input Voltage Range: The LM25122QPWPTQ1 supports a broad supply voltage range of 3V to 42V, making it highly versatile for various automotive applications.
• High Switching Frequency: With a switching frequency of 450kHz, this controller enables the use of smaller inductors and capacitors, reducing the overall footprint and cost of the power supply.
• Synchronous Rectification: The inclusion of synchronous rectification enhances efficiency by reducing power losses in the rectification stage.
• Control Features: The device offers enable, frequency control, and soft start functionalities, providing designers with extensive control over the power conversion process.
• Clock Synchronization: The ability to synchronize the switching clock with an external source helps in reducing electromagnetic interference (EMI) and improving system performance.
• Automotive Grade: Certified for automotive use, the LM25122QPWPTQ1 meets stringent reliability and performance standards required for automotive electronics.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in a 20-pin HTSSOP package, suitable for surface mount applications.

LM25122QPWPTQ1 Applications

The LM25122QPWPTQ1 is ideal for a range of automotive applications where high efficiency, compact size, and robust performance are critical. Specific use cases include:

• Automotive Power Supplies: Ideal for powering electronic control units (ECUs), infotainment systems, and other automotive electronics.
• LED Lighting: Suitable for driving high-power LEDs in automotive lighting systems, providing efficient and reliable power conversion.
• DC-DC Converters: Can be used in various DC-DC converter designs, including Boost, Flyback, and SEPIC topologies, for applications requiring high efficiency and small form factors.
• Battery Management Systems: Useful in battery management systems where precise control and high efficiency are required to manage battery charging and discharging processes.

Conclusion of LM25122QPWPTQ1

The LM25122QPWPTQ1 from Texas Instruments is a versatile and high-performance DC-DC switching controller tailored for automotive applications. Its wide input voltage range, high switching frequency, and synchronous rectification make it an excellent choice for designers looking to achieve high efficiency and compact designs. The inclusion of advanced control features and automotive-grade certification further enhance its suitability for demanding automotive environments. Whether used in power supplies, LED lighting, or battery management systems, the LM25122QPWPTQ1 offers a reliable and efficient solution for modern automotive electronics.

LM25122QPWPTQ1 Documents

Download datasheets and manufacturer documentation for LM25122QPWPTQ1

PCN Assembly/Origin :

LM25122QPWP/LM5122Q Wafer Fab Site 07/Dec/2023      

Datasheets :

LM25122-Q1 Datasheet      

HTML Datasheet :

LM25122-Q1 Datasheet