Overview
The LM5157QRTERQ1 is a high-performance, automotive-grade boost controller produced by Texas Instruments. Designed for automotive applications, this component is part of the LM5157x-Q1 family, which integrates a 50V, 6.5A power switch to support non-synchronous boost, SEPIC, and flyback topologies. Its wide input voltage range, starting from 1.5V, makes it suitable for battery-powered systems. The LM5157QRTERQ1 is tailored for automotive electronics, offering robust performance and reliability in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 1.5 to 50 | V | Operational range |
| Output Voltage | Up to 50 | V | Configurable |
| Switching Frequency | 2.2 | MHz | Fixed |
| Integrated Power Switch | 50V, 6.5A | - | MOSFET |
| Package | WQFN-16 | - | 3mm x 3mm |
| Operating Temperature | -40 to 125 | °C | Automotive grade |
Key Features
- Wide input voltage range for versatile applications.
- Integrated 50V, 6.5A power switch for efficient power management.
- Supports boost, SEPIC, and flyback topologies.
- Automotive-grade reliability and performance.
- Low start-up voltage of 2.9V for battery-powered systems.
Applications
The LM5157QRTERQ1 is ideal for automotive systems, including battery management, LED lighting, and power supply units. Its robust design ensures reliable operation in harsh environments, making it suitable for electric vehicles, hybrid vehicles, and other automotive electronics. Additionally, it can be used in industrial applications requiring efficient power conversion.
Q & A
What is the input voltage range of the LM5157QRTERQ1?
The input voltage range is 1.5V to 50V.
What topologies does the LM5157QRTERQ1 support?
It supports boost, SEPIC, and flyback topologies.
What is the switching frequency of the LM5157QRTERQ1?
The switching frequency is 2.2 MHz.
Is the LM5157QRTERQ1 suitable for automotive applications?
Yes, it is designed for automotive-grade applications.
What is the package type of the LM5157QRTERQ1?
It comes in a WQFN-16 package.
What is the maximum output voltage of the LM5157QRTERQ1?
The maximum output voltage is 50V.
Does the LM5157QRTERQ1 have an integrated power switch?
Yes, it integrates a 50V, 6.5A power switch.
What is the operating temperature range of the LM5157QRTERQ1?
It operates from -40°C to 125°C.
Can the LM5157QRTERQ1 be used in industrial applications?
Yes, it is suitable for industrial power conversion systems.
What is the start-up voltage requirement for the LM5157QRTERQ1?
The start-up voltage is 2.9V.
