Overview
The LMR14050SQDDARQ1 is a SIMPLE SWITCHER® automotive step-down converter produced by Texas Instruments. This device is designed for high-efficiency power conversion in automotive and other demanding applications. It operates within a wide input voltage range of 4V to 40V and can output voltages from 0.8V to 28V, making it versatile for various power requirements. The converter is packaged in an 8-pin HSOIC (DDA) package, which is compact and suitable for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4V to 40V |
| Output Voltage Range | 0.8V to 28V |
| Output Current | 5A |
| Switching Frequency | 2.2MHz |
| Quiescent Current (IQ) | 40uA |
| Package Type | HSOIC (DDA) 8-pin |
| Operating Temperature Range | -40°C to 125°C |
| AEC-Q100 Qualification | Device temperature grade 1 |
Key Features
- High-efficiency synchronous step-down converter
- Wide input voltage range (4V to 40V) and adjustable output voltage (0.8V to 28V)
- High switching frequency of 2.2MHz for smaller external components
- Low quiescent current (IQ) of 40uA for low standby power consumption
- AEC-Q100 qualified for automotive applications with a temperature grade 1 rating (-40°C to 125°C)
- Compact HSOIC (DDA) 8-pin package for space-saving designs
Applications
The LMR14050SQDDARQ1 is designed for use in automotive systems, including infotainment, driver assistance, and other automotive electronics. It is also suitable for industrial and consumer applications that require high-efficiency power conversion, such as power supplies, battery chargers, and point-of-load (POL) converters.
Q & A
- What is the input voltage range of the LMR14050SQDDARQ1?
The input voltage range is 4V to 40V. - What is the maximum output current of the LMR14050SQDDARQ1?
The maximum output current is 5A. - What is the switching frequency of the LMR14050SQDDARQ1?
The switching frequency is 2.2MHz. - What is the quiescent current (IQ) of the LMR14050SQDDARQ1?
The quiescent current (IQ) is 40uA. - What package type is the LMR14050SQDDARQ1 available in?
The LMR14050SQDDARQ1 is available in an 8-pin HSOIC (DDA) package. - Is the LMR14050SQDDARQ1 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified with a device temperature grade 1 rating. - What is the operating temperature range of the LMR14050SQDDARQ1?
The operating temperature range is -40°C to 125°C. - What are some typical applications for the LMR14050SQDDARQ1?
Typical applications include automotive systems, industrial power supplies, battery chargers, and point-of-load (POL) converters. - Why is the LMR14050SQDDARQ1 considered high-efficiency?
The LMR14050SQDDARQ1 is considered high-efficiency due to its synchronous step-down converter design and low quiescent current. - Where can I find detailed specifications for the LMR14050SQDDARQ1?
Detailed specifications can be found on the Texas Instruments website, as well as on distributor sites like Mouser and TME.
