LMR14030SQDDAQ1

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LMR14030SQDDAQ1

IC REG BUCK ADJ 3.5A 8SOPWR

  • 제조업체
  • Mfr.부분 #LMR14030SQDDAQ1
  • 패키지 HSOIC (DDA)-8
  • 데이터시트
  • 재고 있음3278

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사양

Package Tube
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 8-PowerSOIC (0.154, 3.90mm Width)

개요

Description

The LMR14030SQDDAQ1 is a DC-DC buck converter from Texas Instruments designed for automotive applications. It is part of the AEC-Q100 qualified LMR14030-Q1 series, ensuring reliability for automotive environments. This device is capable of handling input voltages ranging from 4 V to 40 V and can deliver a continuous output current of up to 3.5 A, making it suitable for a wide range of power supply designs in vehicles.
The LMR14030SQDDAQ1 features an adjustable output voltage, typically between 0.8 V and 36 V, allowing flexibility for various applications. Its high efficiency is achieved through synchronous rectification and low quiescent current, which helps to minimize power loss and extend battery life. Additionally, it includes several protection features such as thermal shutdown, cycle-by-cycle current limit, and undervoltage lockout.
The device comes in a small 8-pin SO PowerPAD package, which aids in thermal management and allows for compact, space-saving designs. It is commonly used in automotive infotainment systems, cluster displays, and body control modules, where robust, efficient power management is essential.

Features

The LMR14030SQDDAQ1 is a DC-DC buck converter designed for automotive applications. It features a wide input voltage range from 4.5V to 40V, making it suitable for use in various vehicle systems. The device delivers a continuous output current of up to 3A and supports adjustable output voltages. It operates with a fixed switching frequency of 2.1 MHz, allowing for smaller external components and reduced overall solution size.
Key features include high efficiency, achieving up to 92%, and a low quiescent current of 40 μA, which is advantageous for battery-powered applications. The converter has built-in protection features such as cycle-by-cycle current limit, thermal shutdown, and short-circuit protection to ensure reliability and safety.
The LMR14030SQDDAQ1 comes in a small, thermally enhanced SOIC-8 package with an exposed pad, aiding in heat dissipation. It is qualified for automotive applications according to AEC-Q100 standards, ensuring it meets rigorous quality and reliability requirements for automotive environments.

Package

The LMR14030SQDDAQ1 is a DC-DC buck converter from Texas Instruments, with a package type of WSON (Wire-bonded small outline no-lead) featuring a 10-pin configuration. The package dimensions are typically compact, suitable for automotive and industrial applications, providing efficient power conversion within a thermally enhanced, small footprint.

Pinout

The LMR14030SQDDAQ1 is a 3.5 A, 40 V step-down voltage regulator from Texas Instruments. It is available in a 10-pin WSON package. The key functions of the pins are as follows:
1. VCC: Supplies the internal circuitry.
2. SW: Switch node connected to the inductor.
3. GND: Ground connection for the device.
4. FB: Feedback pin used to set the output voltage.
5. EN: Enable pin to turn the regulator on or off.
6. BOOT: Bootstrap capacitor connection for high-side gate drive.
7. VIN: Input voltage supply.
8. RT/CLK: Sets the switching frequency and can synchronize the device to an external clock.
9. COMP: Compensation node for external compensation network.
10. PG: Power good indicator that signals when the output voltage is in regulation.
These pins enable the device to efficiently convert a higher voltage to a lower voltage, suitable for powering various electronic components.

Manufacturer

The LMR14030SQDDAQ1 is manufactured by Texas Instruments. Texas Instruments is an American technology company headquartered in Dallas, Texas. It is known for designing and manufacturing semiconductors and various integrated circuits, which are used in a broad range of electronic applications. The company is one of the top semiconductor companies globally and serves industries such as consumer electronics, automotive, industrial, and communications equipment. Texas Instruments is particularly recognized for its work in analog electronics, embedded processors, and digital light processing technologies.

Application

The LMR14030SQDDAQ1 is a DC-DC buck converter designed for automotive applications. Its application areas include automotive infotainment systems, advanced driver-assistance systems (ADAS), battery management systems, and other automotive electronic control units (ECUs). It is used for efficient power conversion with a wide input voltage range, making it suitable for use in vehicles with 12V and 24V battery systems. Additionally, it is ideal for powering microcontrollers, sensors, and communication devices in automotive environments.

Equivalent

The LMR14030SQDDAQ1 is a DC-DC buck converter from Texas Instruments. Equivalent products include the LM2675 and LM2596 from Texas Instruments, the MP1584 from MPS, LM2576 from ON Semiconductor, and the TL2575 from Texas Instruments. These alternatives have similar functions but may differ in specifications such as input voltage range and output current. Always check the datasheet to ensure compatibility with your application's requirements.

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EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.

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