사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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 | 3.5A |
| Frequency - Switching | 200kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LMR14030QDPRRQ1 is a step-down DC-DC converter produced by Texas Instruments, designed for efficient power management in automotive and industrial applications. It operates with an input voltage range of 4 V to 40 V, making it versatile for various power supply systems. The device delivers up to 3 A of continuous output current, supporting a wide range of load demands.
Key features include high efficiency, with low quiescent current, which is critical for battery-powered applications. The device employs a constant switching frequency, reducing interference and simplifying filter design. It also incorporates advanced protection features such as cycle-by-cycle current limiting, thermal shutdown, and an adjustable soft-start function to minimize inrush current during startup.
The LMR14030QDPRRQ1 is part of Texas Instruments’ automotive-grade products, adhering to stringent quality and reliability standards (AEC-Q100 qualified), making it suitable for automotive environments. Its compact package and wide temperature range operation (-40°C to 125°C) offer flexibility in design and placement within constrained spaces. Overall, it provides a robust solution for efficient and reliable power conversion.
Key features include high efficiency, with low quiescent current, which is critical for battery-powered applications. The device employs a constant switching frequency, reducing interference and simplifying filter design. It also incorporates advanced protection features such as cycle-by-cycle current limiting, thermal shutdown, and an adjustable soft-start function to minimize inrush current during startup.
The LMR14030QDPRRQ1 is part of Texas Instruments’ automotive-grade products, adhering to stringent quality and reliability standards (AEC-Q100 qualified), making it suitable for automotive environments. Its compact package and wide temperature range operation (-40°C to 125°C) offer flexibility in design and placement within constrained spaces. Overall, it provides a robust solution for efficient and reliable power conversion.
Equivalent
The LMR14030QDPRRQ1 is a 40V, 3.5A, step-down DC-DC converter from Texas Instruments. Equivalent products might include:
1. LMR33630 - 36V, 3.5A step-down converter by Texas Instruments
2. LT8609 - 42V, 2A step-down regulator by Analog Devices
3. MP2457 - 40V, 3.5A step-down converter by Monolithic Power Systems
4. MIC28512 - 70V, 4A buck converter by Microchip Technology
Ensure compatibility regarding input voltage, output current, and package type.
1. LMR33630 - 36V, 3.5A step-down converter by Texas Instruments
2. LT8609 - 42V, 2A step-down regulator by Analog Devices
3. MP2457 - 40V, 3.5A step-down converter by Monolithic Power Systems
4. MIC28512 - 70V, 4A buck converter by Microchip Technology
Ensure compatibility regarding input voltage, output current, and package type.
Features
The LMR14030QDPRRQ1 is a DC-DC buck converter from Texas Instruments, primarily designed for automotive and industrial applications. Key features include:
1. Input Voltage Range: Operates from 4 V to 40 V, making it suitable for automotive battery systems.
2. Output Current: Capable of delivering up to 3 A.
3. Switching Frequency: Adjustable up to 2.5 MHz, allowing for smaller external components and faster transient response.
4. Efficiency: High efficiency across a wide load range, aided by a low RDS(on) power MOSFET.
5. Thermal Performance: Comes in a thermally enhanced PowerPAD package for improved heat dissipation.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
7. Quiescent Current: Low quiescent current of 300 µA in regulation, optimizing it for battery-powered applications.
8. Operating Temperature Range: Suitable for environments with temperatures ranging from -40°C to 125°C.
9. Automotive Grade: Meets AEC-Q100 qualification for automotive applications.
10. Compact Size: Available in a small footprint, promoting space-saving designs.
These features make the LMR14030QDPRRQ1 a versatile and efficient choice for demanding power supply designs.
1. Input Voltage Range: Operates from 4 V to 40 V, making it suitable for automotive battery systems.
2. Output Current: Capable of delivering up to 3 A.
3. Switching Frequency: Adjustable up to 2.5 MHz, allowing for smaller external components and faster transient response.
4. Efficiency: High efficiency across a wide load range, aided by a low RDS(on) power MOSFET.
5. Thermal Performance: Comes in a thermally enhanced PowerPAD package for improved heat dissipation.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
7. Quiescent Current: Low quiescent current of 300 µA in regulation, optimizing it for battery-powered applications.
8. Operating Temperature Range: Suitable for environments with temperatures ranging from -40°C to 125°C.
9. Automotive Grade: Meets AEC-Q100 qualification for automotive applications.
10. Compact Size: Available in a small footprint, promoting space-saving designs.
These features make the LMR14030QDPRRQ1 a versatile and efficient choice for demanding power supply designs.
Pinout
The LMR14030QDPRRQ1 is a step-down DC-DC converter from Texas Instruments, designed for automotive applications. It typically comes in a 8-pin package. Here is a concise description of its pin functions:
1. BOOT: Provides drive voltage for the high-side MOSFET gate.
2. VIN: Input voltage supply pin, ranging from 4V to 40V.
3. SW: Switch node pin, connected to the inductor.
4. GND: Ground pin for the device.
5. FB: Feedback pin, connected to the output for voltage regulation.
6. EN: Enable pin to turn the device on or off.
7. RT/CLK: Frequency setting pin or external clock synchronization.
8. COMP: Compensation pin for external compensation network.
These pins support the converter's function of regulating output voltage efficiently even under varying input conditions.
1. BOOT: Provides drive voltage for the high-side MOSFET gate.
2. VIN: Input voltage supply pin, ranging from 4V to 40V.
3. SW: Switch node pin, connected to the inductor.
4. GND: Ground pin for the device.
5. FB: Feedback pin, connected to the output for voltage regulation.
6. EN: Enable pin to turn the device on or off.
7. RT/CLK: Frequency setting pin or external clock synchronization.
8. COMP: Compensation pin for external compensation network.
These pins support the converter's function of regulating output voltage efficiently even under varying input conditions.
Manufacturer
The LMR14030QDPRRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. These components are used in a wide range of electronic applications, including industrial, automotive, personal electronics, and communications equipment. TI is well-known for its innovation and leadership in the semiconductor industry, with a strong focus on developing analog chips and embedded processors. The company is headquartered in Dallas, Texas, and has a global presence with manufacturing, design, and sales operations worldwide.
Application
The LMR14030QDPRRQ1 is a DC-DC buck converter integrated circuit designed for automotive and industrial applications. Key application areas include automotive infotainment systems, body electronics, and lighting systems, where it efficiently steps down higher input voltages to lower output voltages required by various electronic components. It is also suitable for industrial power supplies and battery-powered applications, ensuring reliable performance with high efficiency, even in harsh environments. The device’s compact size and robust design make it ideal for use in space-constrained environments, contributing to overall system efficiency and reliability.
Package
The LMR14030QDPRRQ1 is packaged in an 8-pin WSON (Dual Flat No-Lead) package type.
