LMR14030SQDPRRQ1

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LMR14030SQDPRRQ1

IC REG BUCK ADJ 3.5A 10WSON

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  • 包 WSON (DPR)-10
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規格

Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100, SIMPLE SWITCHER®
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 28V
Current-Output 3.5A
Frequency-Switching 200kHz ~ 2.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 10-WDFN Exposed Pad

概述

Description

The LMR14030SQDPRRQ1 is a DC-DC buck converter designed by Texas Instruments. It is part of the LMR14030-Q1 series, which is tailored for automotive applications. This device offers a wide input voltage range of 4 V to 40 V and can deliver up to 3 A of output current. It is highly efficient and features a low quiescent current, making it suitable for power-sensitive applications. The LMR14030SQDPRRQ1 employs a constant switching frequency of 2.1 MHz, which helps in reducing the size of external components and minimizing electromagnetic interference (EMI). Additional features include integrated high-side and low-side MOSFETs, internal loop compensation, and protection mechanisms such as thermal shutdown and overcurrent protection. Its compact WSON-10 package supports both thermal and electrical performance. This converter is ideal for automotive systems requiring efficient power conversion, such as infotainment systems, advanced driver-assistance systems (ADAS), and body control modules.

Features

The LMR14030SQDPRRQ1 is a DC-DC buck converter from Texas Instruments, designed for automotive applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5 V to 40 V, making it suitable for automotive systems that require high voltage tolerance.
2. Output Current Capability: Delivers up to 3 A continuous output current.
3. Efficiency: High efficiency, typically above 90%, due to synchronous rectification and low RDS(on) MOSFETs.
4. Switching Frequency: Adjustable, allowing flexibility in design and optimization for size and efficiency. It also supports fixed-frequency operations.
5. Automotive Grade: AEC-Q100 qualified, ensuring reliability and performance in automotive environments.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced safety and robustness.
7. Compact Package: Available in a 10-pin WSON package, which is space-efficient for compact design requirements.
8. Soft Start and Frequency Synchronization: Integrated features for controlled startup and the ability to synchronize with an external clock.
This combination of features makes it ideal for powering microprocessors, sensors, and other electronic systems in automotive applications.

Package

The LMR14030SQDPRRQ1 is a DC-DC buck converter IC from Texas Instruments. It comes in a WSON (Small Outline No-Lead) package, specifically a 8-pin WSON (8-Pin VSON) with dimensions of 3.00 mm x 3.00 mm. This package type provides a compact footprint suitable for space-constrained applications.

Pinout

The LMR14030SQDPRRQ1 is a 14-pin device. It is a step-down (buck) voltage regulator designed for automotive applications. The primary function of this regulator is to efficiently convert a higher input voltage down to a lower output voltage, suitable for powering various electronic components within a vehicle. It supports input voltages up to 40V and delivers up to 3A of continuous output current. The compact design and integrated features, such as a high-side MOSFET and frequency fold-back, make it suitable for space-constrained applications.
This device's key functions include high efficiency, low quiescent current, and the ability to handle transient voltage conditions often found in automotive environments. It is also designed to operate over a wide temperature range, accommodating the rigorous demands of automotive applications.

Manufacturer

The LMR14030SQDPRRQ1 is manufactured by Texas Instruments. Texas Instruments is an American technology company known for designing and manufacturing semiconductors and various integrated circuits. It is a leader in the electronics industry, providing a wide range of products that support innovations in areas such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The LMR14030SQDPRRQ1 is a step-down DC-DC converter optimized for automotive applications. Key application areas include automotive infotainment systems, advanced driver-assistance systems (ADAS), body control modules, and power management for electronic control units (ECUs). It can also be used in industrial and consumer electronics requiring efficient voltage regulation in compact spaces. Its wide input voltage range and high efficiency make it suitable for systems that demand reliable power conversion under varying voltage conditions.

Equivalent

The LMR14030SQDPRRQ1 is a step-down voltage regulator from Texas Instruments. Equivalent products from other manufacturers include:
1. LM2596 by Texas Instruments/National Semiconductor – A popular 3A step-down regulator.
2. MP1584 by Monolithic Power Systems – A high-efficiency, 3A step-down regulator.
3. LT8608 by Analog Devices – A compact, high-efficiency 1.5A buck converter.
4. LM2734 by Texas Instruments – A high-frequency 1A step-down voltage regulator.
Each alternative may have variations in specifications, so it's essential to review the datasheets to ensure compatibility.

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