사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100, SIMPLE SWITCHER® |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 28V |
| Current - Output | 5A |
| Frequency - Switching | 200kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LMR14050SSQDDARQ1 is a DC-DC buck converter from Texas Instruments, designed primarily for automotive applications. It is part of the LMR14050-Q1 series, which is qualified for automotive use according to AEC-Q100 standards. This device operates with an input voltage range of 4.5V to 40V and is capable of delivering up to 5A of continuous output current. The converter is designed to achieve high efficiency, typically over 90%, and operates at a fixed switching frequency of 2.1 MHz, which helps in minimizing the size of external components and ensures a compact design.
Key features of the LMR14050SSQDDARQ1 include an integrated high-side MOSFET, an adjustable output voltage ranging from 0.8V to 24V, and protection features such as thermal shutdown, cycle-by-cycle current limiting, and undervoltage lockout. Its small package size (WSON-10) makes it suitable for space-constrained applications. This converter is ideal for use in automotive systems like infotainment, advanced driver-assistance systems (ADAS), and other applications requiring robust and efficient power management solutions.
Key features of the LMR14050SSQDDARQ1 include an integrated high-side MOSFET, an adjustable output voltage ranging from 0.8V to 24V, and protection features such as thermal shutdown, cycle-by-cycle current limiting, and undervoltage lockout. Its small package size (WSON-10) makes it suitable for space-constrained applications. This converter is ideal for use in automotive systems like infotainment, advanced driver-assistance systems (ADAS), and other applications requiring robust and efficient power management solutions.
Equivalent
The LMR14050SSQDDARQ1 is a 5A, 40V step-down voltage regulator from Texas Instruments, commonly used in automotive applications due to its AEC-Q100 qualification. Equivalent products are those with similar specifications and features, such as:
1. LMR33630 from Texas Instruments: A 3A version with similar input voltage range.
2. MP1584 from Monolithic Power Systems: A 3A step-down regulator.
3. LM2596 from Texas Instruments: A 3A, 40V step-down regulator.
Ensure compatibility with your specific application requirements before substituting.
1. LMR33630 from Texas Instruments: A 3A version with similar input voltage range.
2. MP1584 from Monolithic Power Systems: A 3A step-down regulator.
3. LM2596 from Texas Instruments: A 3A, 40V step-down regulator.
Ensure compatibility with your specific application requirements before substituting.
Features
The LMR14050SSQDDARQ1 is a step-down DC-DC converter from Texas Instruments, designed for automotive applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 40V, making it suitable for automotive battery voltages and transient conditions.
2. Output Current: Delivers up to 5A of continuous output current with high efficiency.
3. Switching Frequency: Offers a fixed switching frequency of 700 kHz, optimizing size and efficiency.
4. Quiescent Current: Features a low quiescent current of 40 µA in standby mode, aiding in energy savings.
5. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and input undervoltage lockout for robust operation.
6. Automotive Grade: Qualified for AEC-Q100, ensuring reliability in automotive environments.
7. Package: Available in a 10-pin WSON package, which helps in thermal management and compact designs.
These features make the LMR14050SSQDDARQ1 an efficient and reliable choice for automotive power management applications.
1. Wide Input Voltage Range: Operates from 4.5V to 40V, making it suitable for automotive battery voltages and transient conditions.
2. Output Current: Delivers up to 5A of continuous output current with high efficiency.
3. Switching Frequency: Offers a fixed switching frequency of 700 kHz, optimizing size and efficiency.
4. Quiescent Current: Features a low quiescent current of 40 µA in standby mode, aiding in energy savings.
5. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and input undervoltage lockout for robust operation.
6. Automotive Grade: Qualified for AEC-Q100, ensuring reliability in automotive environments.
7. Package: Available in a 10-pin WSON package, which helps in thermal management and compact designs.
These features make the LMR14050SSQDDARQ1 an efficient and reliable choice for automotive power management applications.
Pinout
The LMR14050SSQDDARQ1 is a 5-pin, step-down voltage regulator in the WSON (WQFN) package. It is part of Texas Instruments' automotive-grade family of synchronous buck converters. The main features include a wide input voltage range and the capability to deliver up to 5A of output current. Here's a concise description of its pins:
1. VIN: Input voltage pin where the input power supply is connected.
2. SW: Switch pin, connected to the inductor and used for switching the internal high-side MOSFET.
3. GND: Ground pin, used as the return path for input and output.
4. FB (Feedback): Feedback pin, used to set the output voltage via an external resistor divider.
5. EN (Enable): Enable pin, used to turn the regulator on or off.
These pins provide the necessary connections for controlling and powering the regulator, ensuring efficient operation in automotive applications.
1. VIN: Input voltage pin where the input power supply is connected.
2. SW: Switch pin, connected to the inductor and used for switching the internal high-side MOSFET.
3. GND: Ground pin, used as the return path for input and output.
4. FB (Feedback): Feedback pin, used to set the output voltage via an external resistor divider.
5. EN (Enable): Enable pin, used to turn the regulator on or off.
These pins provide the necessary connections for controlling and powering the regulator, ensuring efficient operation in automotive applications.
Manufacturer
The LMR14050SSQDDARQ1 is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world, known for its innovation in analog and embedded processing. TI serves a wide range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is also recognized for its significant contributions to the development of electronic components and technology solutions that enhance performance, efficiency, and reliability.
Application
The LMR14050SSQDDARQ1 is a DC-DC buck converter designed for automotive applications. It is suited for use in battery-powered systems, infotainment, advanced driver-assistance systems (ADAS), and body electronics. Its high efficiency and wide input voltage range make it ideal for automotive electronic control units (ECUs) and power management systems. Additionally, its compact design allows for integration into space-constrained environments such as dashboards and telematics modules. The device's robust thermal performance and transient protection features ensure reliability in harsh automotive conditions, making it suitable for a variety of vehicular power supply applications.
Package
The LMR14050SSQDDARQ1 is packaged in a 10-pin WSON (Wettable Flank Small Outline No-lead) package, typically measuring 4.00 mm x 4.00 mm. This package type is designed to provide a compact and thermally efficient solution for DC-DC converter applications in automotive and other high-reliability environments.
