Overview
The LMR14020SQDDARQ1 is a high-performance, automotive-grade synchronous buck converter produced by Texas Instruments. Designed for demanding automotive applications, this component ensures reliable power management in environments with stringent requirements. It is particularly suited for systems requiring efficient voltage regulation with minimal power loss. The LMR14020SQDDARQ1 stands out for its robust design, high efficiency, and compliance with AEC-Q100 standards, making it a preferred choice for automotive electronics and industrial applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4 to 40 | V | |
| Output Current | 2 | A | Continuous |
| Switching Frequency | 2.2 | MHz | |
| Quiescent Current | 40 | µA | |
| Operating Temperature Range | -40 to 125 | °C | AEC-Q100 Grade 1 |
| ESD Protection | HBM H1C, CDM C4A | ||
| On-Resistance (High-Side MOSFET) | 90 | mΩ | |
| Minimum On-Time | 75 | ns | |
| Shutdown Current | 1 | µA | |
| Package | PowerPAD SOIC-8 |
Key Features
- Wide input voltage range for versatile applications.
- High efficiency with integrated high-side MOSFET.
- Low quiescent current for battery-powered systems.
- Adjustable switching frequency for optimized performance.
- Built-in protection features including thermal shutdown, overvoltage, and short-circuit protection.
Applications
The LMR14020SQDDARQ1 is widely used in automotive systems such as infotainment, advanced driver-assistance systems (ADAS), and power management modules. Its robust design also makes it suitable for industrial power supplies, telecommunications, and general-purpose voltage regulation in environments requiring high reliability and efficiency.
Q & A
1. What is the input voltage range of the LMR14020SQDDARQ1?
The input voltage range is 4V to 40V.
2. What is the maximum output current it can handle?
It can handle a continuous output current of 2A.
3. Is this component suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it ideal for automotive systems.
4. What is the switching frequency of this converter?
The switching frequency is 2.2MHz.
5. Does it support thermal protection?
Yes, it includes thermal shutdown protection.
6. What is the quiescent current of the LMR14020SQDDARQ1?
The quiescent current is 40µA.
7. Can the switching frequency be adjusted?
Yes, the switching frequency is adjustable for optimized performance.
8. What package does this component come in?
It is available in a PowerPAD SOIC-8 package.
9. Does it have short-circuit protection?
Yes, it includes short-circuit protection.
10. What is the operating temperature range?
It operates from -40°C to 125°C.
