LMR14020SQDDARQ1

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LMR14020SQDDARQ1

IC REG BUCK ADJUSTABLE 2A 8SOPWR

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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 2A
Frequency-Switching 200kHz ~ 2.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-PowerSOIC (0.154, 3.90mm Width)

概述

Description

The LMR14020SQDDARQ1 is a DC-DC buck converter from Texas Instruments, designed for automotive and other high-reliability applications. It is part of the LMR14020 family, capable of stepping down a wide input voltage range (4.5V to 40V) to a lower output voltage with a maximum output current of 2A. This converter is well-suited for applications requiring efficient power management, offering high efficiency at light loads with a low quiescent current.
Key features include a fixed switching frequency of 1 MHz, internal compensation for simplified design, and protection features such as thermal shutdown, cycle-by-cycle current limit, and short-circuit protection. The device is automotive-qualified (AEC-Q100) and operates over a wide temperature range, making it reliable for harsh environments.
The small package size (8-pin WSON) and minimal external components required make it an excellent choice for compact designs. The LMR14020SQDDARQ1 is ideal for use in automotive systems, industrial applications, and any scenario where space-saving and efficiency are critical.

Features

The LMR14020SQDDARQ1 is a step-down DC-DC converter from Texas Instruments, designed for automotive applications. It features a wide input voltage range of 4.5 V to 40 V, making it suitable for various power supply conditions in vehicles. The device can deliver an output current of up to 2 A and operates at a fixed switching frequency of 700 kHz, allowing for efficient power conversion and compact design.
Key features include a low quiescent current of 28 μA, which helps extend battery life, and high efficiency at light loads due to its low-power mode. The converter also offers protection features such as cycle-by-cycle current limit, thermal shutdown, and output short protection to enhance reliability in automotive environments.
The LMR14020SQDDARQ1 is qualified for automotive applications with an AEC-Q100 rating, ensuring it meets stringent automotive industry standards. It is housed in a small, thermally efficient package, which aids in heat dissipation and allows for use in space-constrained applications. Overall, the device provides a robust and efficient solution for automotive power regulation needs.

Package

The LMR14020SQDDARQ1 is a DC-DC buck regulator from Texas Instruments. It comes in a "WSON" (Wettable Flank Small Outline No-lead) package, specifically with 8 pins and a 12 mm² footprint. The package type is designed for enhanced thermal performance and reliability, making it suitable for automotive applications.

Pinout

The LMR14020SQDDARQ1 is a 14-pin automotive-qualified DC-DC step-down voltage regulator. It is part of Texas Instruments' LMR14020-Q1 series. The primary function of this component is to efficiently convert higher input voltages, ranging from 4.5V to 40V, to a lower, regulated output voltage with a maximum output current of 2A. It is commonly used in automotive and industrial applications where space and efficiency are critical. Key features include a high switching frequency, internal compensation, and high efficiency over a wide load range. The device is designed to operate in tough environments with its robust protection features such as cycle-by-cycle current limiting, thermal shutdown, and voltage under-voltage lockout.

Manufacturer

The LMR14020SQDDARQ1 is manufactured by Texas Instruments. Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is one of the largest semiconductor companies in the world and supplies a wide range of products to electronics designers and manufacturers globally. Texas Instruments is known for its innovation and development in areas such as analog and embedded processing products, catering to industries including automotive, industrial, consumer electronics, and communications equipment.

Application

The LMR14020SQDDARQ1 is a DC-DC buck regulator designed for automotive applications. Its primary application areas include automotive infotainment systems, advanced driver assistance systems (ADAS), body control modules, and powertrain control systems. It provides efficient power conversion in harsh environments due to its AEC-Q100 qualification, making it suitable for use in automotive and industrial settings where reliable and robust voltage regulation is essential.

Equivalent

Equivalent products to the LMR14020SQDDARQ1, a DC-DC buck converter, might include the LM2596, LM2678, and LM22670 from Texas Instruments or other similar converters from manufacturers like Analog Devices, Maxim Integrated, or ON Semiconductor that provide similar input voltage range, output current, and efficiency. When selecting an equivalent, ensure the specifications closely match the LMR14020SQDDARQ1's requirements. Always verify compatibility with your specific application.

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