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 | 2A |
| Frequency - Switching | 200kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LMR14020SSQDDARQ1 is a step-down DC-DC converter from Texas Instruments, designed for automotive and industrial applications. It is part of the LMR14020-Q1 series, which is qualified for automotive use, adhering to AEC-Q100 standards. This converter is capable of delivering up to 2A of output current and operates over an input voltage range of 4V to 40V, making it suitable for a wide array of applications, including battery-powered systems.
The device features a fixed switching frequency of 2.1 MHz, ensuring high efficiency and a small solution size. It employs peak current mode control, which enhances its transient response and stability. The LMR14020SSQDDARQ1 includes several integrated protection features, such as cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout, enhancing its reliability and safety.
Housed in a small, thermally efficient package, this converter is ideal for space-constrained designs. It supports external components to customize the output voltage and optimize performance, making it a versatile choice for designers needing robust and efficient power solutions.
The device features a fixed switching frequency of 2.1 MHz, ensuring high efficiency and a small solution size. It employs peak current mode control, which enhances its transient response and stability. The LMR14020SSQDDARQ1 includes several integrated protection features, such as cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout, enhancing its reliability and safety.
Housed in a small, thermally efficient package, this converter is ideal for space-constrained designs. It supports external components to customize the output voltage and optimize performance, making it a versatile choice for designers needing robust and efficient power solutions.
Equivalent
The LMR14020SSQDDARQ1 is a step-down DC-DC converter from Texas Instruments. Equivalent products to consider from other manufacturers include:
1. LM2596 from ON Semiconductor and others, which is a 3-A step-down voltage regulator.
2. MP1584 from Monolithic Power Systems, a 3-A step-down converter.
3. TPS54331 from Texas Instruments, a 3-A step-down converter.
4. LM2678 from Texas Instruments, a 5-A step-down regulator, offering a similar functionality for different current requirements.
Ensure specific electrical and thermal requirements are matched before selecting an equivalent.
1. LM2596 from ON Semiconductor and others, which is a 3-A step-down voltage regulator.
2. MP1584 from Monolithic Power Systems, a 3-A step-down converter.
3. TPS54331 from Texas Instruments, a 3-A step-down converter.
4. LM2678 from Texas Instruments, a 5-A step-down regulator, offering a similar functionality for different current requirements.
Ensure specific electrical and thermal requirements are matched before selecting an equivalent.
Features
The LMR14020SSQDDARQ1 is a DC-DC buck converter from Texas Instruments designed for automotive applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5 V to 40 V.
2. Output Current: Capable of delivering up to 2 A of continuous output current.
3. Efficiency: High efficiency due to low quiescent current and low RDS(on) of the integrated MOSFET.
4. Switching Frequency: Operates with a fixed switching frequency of 2.1 MHz, which helps in reducing the size of external components.
5. Thermal Performance: Features excellent thermal performance, suitable for operation in automotive environments.
6. Protection Features: Includes built-in protection mechanisms such as current limit, thermal shutdown, and undervoltage lockout (UVLO).
7. Automotive Qualified: AEC-Q100 qualified, making it suitable for automotive applications.
8. Package: Available in a small, thermally enhanced 8-pin SO PowerPAD package.
These features make the LMR14020SSQDDARQ1 an optimal choice for power regulation tasks in automotive systems requiring compact and reliable solutions.
1. Input Voltage Range: Supports a wide input voltage range from 4.5 V to 40 V.
2. Output Current: Capable of delivering up to 2 A of continuous output current.
3. Efficiency: High efficiency due to low quiescent current and low RDS(on) of the integrated MOSFET.
4. Switching Frequency: Operates with a fixed switching frequency of 2.1 MHz, which helps in reducing the size of external components.
5. Thermal Performance: Features excellent thermal performance, suitable for operation in automotive environments.
6. Protection Features: Includes built-in protection mechanisms such as current limit, thermal shutdown, and undervoltage lockout (UVLO).
7. Automotive Qualified: AEC-Q100 qualified, making it suitable for automotive applications.
8. Package: Available in a small, thermally enhanced 8-pin SO PowerPAD package.
These features make the LMR14020SSQDDARQ1 an optimal choice for power regulation tasks in automotive systems requiring compact and reliable solutions.
Pinout
The LMR14020SSQDDARQ1 is a 7-pin, automotive-qualified DC-DC buck converter. It is designed to step down an input voltage to a lower output voltage with high efficiency. The 7 pins serve the following functions:
1. VIN (Pin 1): Input voltage pin. Connects the input supply voltage.
2. GND (Pin 2): Ground pin. It is the reference point for the circuit.
3. SW (Pin 3): Switching node pin. Connects to the inductor and serves as a node for the internal power switch.
4. BOOT (Pin 4): Bootstrap capacitor pin. Connects to an external capacitor to provide a gate drive higher than VIN.
5. FB (Pin 5): Feedback pin. Connects to the output of the converter to regulate the output voltage.
6. EN (Pin 6): Enable pin. Used to enable or disable the device operation.
7. BIAS (Pin 7): Internal bias supply pin. Connects to a bias supply for reduced power dissipation.
The LMR14020SSQDDARQ1 is suitable for use in automotive applications due to its AEC-Q100 qualification.
1. VIN (Pin 1): Input voltage pin. Connects the input supply voltage.
2. GND (Pin 2): Ground pin. It is the reference point for the circuit.
3. SW (Pin 3): Switching node pin. Connects to the inductor and serves as a node for the internal power switch.
4. BOOT (Pin 4): Bootstrap capacitor pin. Connects to an external capacitor to provide a gate drive higher than VIN.
5. FB (Pin 5): Feedback pin. Connects to the output of the converter to regulate the output voltage.
6. EN (Pin 6): Enable pin. Used to enable or disable the device operation.
7. BIAS (Pin 7): Internal bias supply pin. Connects to a bias supply for reduced power dissipation.
The LMR14020SSQDDARQ1 is suitable for use in automotive applications due to its AEC-Q100 qualification.
Manufacturer
The LMR14020SSQDDARQ1 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 and is known for its innovation in analog and embedded processing products. TI primarily focuses on developing electronics that serve a wide range of applications, including in industrial, automotive, personal electronics, communications, and enterprise systems.
Application
The LMR14020SSQDDARQ1 is a DC-DC buck converter from Texas Instruments designed for automotive and industrial applications. Its application areas include automotive power systems, where it can be used to step down high-voltage inputs for electronic control units, infotainment systems, and dashboard electronics. It is also suitable for industrial power management, providing efficient voltage conversion for factory automation devices, robotics, and communication equipment. The converter's wide input voltage range, high efficiency, and robust design make it ideal for systems requiring reliable performance in harsh environments.
Package
The LMR14020SSQDDARQ1 is a DC-DC buck converter from Texas Instruments. It comes in a thermally efficient, small-outline SOT-23 package type, specifically a 6-pin WSON (WQFN) package, which is ideal for compact applications and effective heat dissipation.
