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 LMR14020SQDDARQ1 is a step-down DC-DC converter designed by Texas Instruments. It is part of the automotive-qualified LMR14020-Q1 series, which is known for its high-performance and robust design, suitable for various automotive applications. The converter can handle an input voltage range from 4.5V to 40V, making it versatile for different power supply conditions in vehicles.
Key features of the LMR14020SQDDARQ1 include a 2A continuous output current capability, high efficiency up to 92%, and a switching frequency of 0.7 MHz, which helps minimize the size of external components. It also includes protection features such as thermal shutdown, cycle-by-cycle current limit, and an adjustable output voltage, which enhances its reliability and flexibility.
The device comes in a small, thermally-enhanced SON (Small Outline No-lead) package, supporting compact designs. Its AEC-Q100 qualification indicates it meets rigorous automotive industry standards, ensuring reliability under harsh conditions. Overall, the LMR14020SQDDARQ1 is suitable for automotive power management applications requiring efficient step-down voltage regulation.
Key features of the LMR14020SQDDARQ1 include a 2A continuous output current capability, high efficiency up to 92%, and a switching frequency of 0.7 MHz, which helps minimize the size of external components. It also includes protection features such as thermal shutdown, cycle-by-cycle current limit, and an adjustable output voltage, which enhances its reliability and flexibility.
The device comes in a small, thermally-enhanced SON (Small Outline No-lead) package, supporting compact designs. Its AEC-Q100 qualification indicates it meets rigorous automotive industry standards, ensuring reliability under harsh conditions. Overall, the LMR14020SQDDARQ1 is suitable for automotive power management applications requiring efficient step-down voltage regulation.
Equivalent
The LMR14020SQDDARQ1 is a 40V, 2A step-down voltage regulator from Texas Instruments, designed for automotive applications. Equivalent products include:
1. LM2596 series from Texas Instruments, also offering 3A output but with a lower input voltage range.
2. MP2459 from Monolithic Power Systems, similar input voltage but lower current capability.
3. LT8608 from Analog Devices, offering similar features with a compact form.
Ensure compatibility with your specific application requirements when considering alternatives.
1. LM2596 series from Texas Instruments, also offering 3A output but with a lower input voltage range.
2. MP2459 from Monolithic Power Systems, similar input voltage but lower current capability.
3. LT8608 from Analog Devices, offering similar features with a compact form.
Ensure compatibility with your specific application requirements when considering alternatives.
Features
The LMR14020SQDDARQ1 is a step-down DC-DC converter from Texas Instruments, designed for automotive applications. It features an input voltage range of 4.5V to 40V and is capable of delivering up to 2A output current. This device operates with a fixed switching frequency of 2.1 MHz, which helps to minimize the size of external components. It has a high efficiency of up to 92%, reducing heat generation and improving performance.
Key features include internal compensation, cycle-by-cycle current limit, and thermal shutdown, ensuring reliable operation under various conditions. The device is also AEC-Q100 qualified, meeting automotive-grade standards for quality and reliability. It comes in a small, thermally efficient 8-pin SO PowerPAD package, making it suitable for compact designs. Moreover, the LMR14020SQDDARQ1 includes an enable pin for system power sequencing and an adjustable output voltage ranging from 0.765V to 31V, allowing flexibility in different applications. This converter is ideal for powering microcontrollers, sensors, and other automotive electronics.
Key features include internal compensation, cycle-by-cycle current limit, and thermal shutdown, ensuring reliable operation under various conditions. The device is also AEC-Q100 qualified, meeting automotive-grade standards for quality and reliability. It comes in a small, thermally efficient 8-pin SO PowerPAD package, making it suitable for compact designs. Moreover, the LMR14020SQDDARQ1 includes an enable pin for system power sequencing and an adjustable output voltage ranging from 0.765V to 31V, allowing flexibility in different applications. This converter is ideal for powering microcontrollers, sensors, and other automotive electronics.
Pinout
The LMR14020SQDDARQ1 is a 7-pin device. It is a simple, easy-to-use, step-down DC-DC converter capable of driving up to 2 A of load current from a wide input voltage range. The key functions of its pins are:
1. SW (Pin 1): The switch pin is connected to the internal MOSFET switch. It is used for connecting an inductor.
2. GND (Pin 2): Ground reference for the circuit.
3. BOOT (Pin 3): Bootstrapped capacitor connection. It provides the gate drive voltage for the high-side MOSFET.
4. VIN (Pin 4): Input supply voltage.
5. EN (Pin 5): Enable pin for the regulator. Active high to enable the device.
6. FB (Pin 6): Feedback pin for output voltage regulation.
7. RT/CLK (Pin 7): Resistor timing or external clock input for setting the switching frequency.
This automotive-qualified buck converter is designed to achieve a high-efficiency power conversion and is suitable for various automotive and industrial applications.
1. SW (Pin 1): The switch pin is connected to the internal MOSFET switch. It is used for connecting an inductor.
2. GND (Pin 2): Ground reference for the circuit.
3. BOOT (Pin 3): Bootstrapped capacitor connection. It provides the gate drive voltage for the high-side MOSFET.
4. VIN (Pin 4): Input supply voltage.
5. EN (Pin 5): Enable pin for the regulator. Active high to enable the device.
6. FB (Pin 6): Feedback pin for output voltage regulation.
7. RT/CLK (Pin 7): Resistor timing or external clock input for setting the switching frequency.
This automotive-qualified buck converter is designed to achieve a high-efficiency power conversion and is suitable for various automotive and industrial applications.
Manufacturer
The LMR14020SQDDARQ1 is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the world's largest producers of chips, which are used in a wide array of electronics, including industrial, automotive, consumer electronics, and communications equipment. The company is headquartered in Dallas, Texas, and is well-known for its innovation in analog and embedded processing products.
Application
The LMR14020SQDDARQ1 is a DC-DC buck converter from Texas Instruments, designed for automotive applications. Its key application areas include automotive power supply systems, infotainment systems, advanced driver-assistance systems (ADAS), and body electronics. It is used for converting higher voltage levels to lower ones, making it suitable for powering microcontrollers, sensors, and other electronic components within vehicles. Its robust design and qualification under AEC-Q100 standard make it ideal for harsh automotive environments.
Package
The LMR14020SQDDARQ1 is packaged in a WSON (Wettable Flank Small Outline No-Lead) package with 8 pins, specifically the 8-WSON (4x4 mm) configuration. This package type is designed for compact applications and provides good thermal performance and reliability.
