Texas Instruments

LM20143QMHE/NOPB  

DC Switching Voltage Regulators

LM20143QMHE/NOPB Description

The LM20143QMHE/NOPB is a high-performance, synchronous buck regulator designed for automotive applications. Manufactured by Texas Instruments, this regulator is part of the PowerWise® series, known for its efficiency and reliability. The LM20143QMHE/NOPB offers an adjustable output voltage ranging from 0.8V to 4.68V, making it highly versatile for various power management needs. It supports a wide input voltage range of 2.95V to 5.5V and can deliver up to 3A of output current, ensuring robust performance in demanding environments.

LM20143QMHE/NOPB Features

• Adjustable Output Voltage: The LM20143QMHE/NOPB provides an adjustable output voltage from 0.8V to 4.68V, allowing for precise control and flexibility in power supply design.
• Wide Input Voltage Range: With an input voltage range of 2.95V to 5.5V, this regulator can operate efficiently across a broad spectrum of input conditions, making it suitable for applications with varying power sources.
• High Output Current: Capable of delivering up to 3A of output current, the LM20143QMHE/NOPB ensures reliable power delivery to demanding loads.
• Synchronous Rectification: The inclusion of a synchronous rectifier enhances efficiency and reduces power loss, making the regulator ideal for applications requiring high efficiency and low power consumption.
• Switching Frequency Range: The regulator operates within a switching frequency range of 500kHz to 1.5MHz, allowing designers to optimize for size and efficiency.
• Automotive Grade: Certified for automotive applications, the LM20143QMHE/NOPB meets the stringent requirements of the automotive industry, ensuring reliability and durability in harsh environments.
• Compliance and Packaging: The LM20143QMHE/NOPB is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in a surface mount package (16HTSSOP) and is moisture sensitivity level 1 (unlimited), making it suitable for automated assembly processes.

LM20143QMHE/NOPB Applications

The LM20143QMHE/NOPB is ideal for a variety of automotive applications where high efficiency, reliability, and flexibility are paramount. Specific use cases include:

• Automotive Electronics: Ideal for powering electronic control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS) due to its wide input voltage range and high output current capability.
• Battery Management Systems: The regulator’s adjustable output voltage and efficiency make it suitable for managing battery power in hybrid and electric vehicles.
• On-Board Chargers: The LM20143QMHE/NOPB can be used in on-board charging systems to provide efficient power conversion and management.
• Telematics and Communication Systems: Provides reliable power to telematics devices and communication modules, ensuring continuous operation and data transmission.

Conclusion of LM20143QMHE/NOPB

The LM20143QMHE/NOPB from Texas Instruments is a robust and versatile synchronous buck regulator designed to meet the demanding requirements of automotive applications. Its wide input voltage range, adjustable output voltage, and high output current capability make it a reliable choice for power management in various automotive systems. The inclusion of synchronous rectification and its compliance with automotive standards further enhance its performance and reliability. Whether used in ECUs, battery management systems, or on-board chargers, the LM20143QMHE/NOPB offers a high-efficiency, flexible, and durable solution for modern automotive power needs.

LM20143QMHE/NOPB Documents

Download datasheets and manufacturer documentation for LM20143QMHE/NOPB

PCN Assembly/Origin :

Mult Devices New Die 19/Jul/2018      

Datasheets :

LM20143      

Reference Design Library :

LM20143EVAL: 1.2V @ 3A, 2.95 ~ 5.5V in, 82%      

Design Resources :

LM20143-Q1 Design with WEBENCH® Power Designer      

PCN Obsolescence/ EOL :

Cancel 15/Aug/2019      

HTML Datasheet :

LM20143