LM5141QRGETQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5141QRGETQ1 is a high-performance synchronous buck controller designed for automotive applications. It provides a regulated output voltage from an input voltage source, making it suitable for various power supply designs in automotive systems.

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: The LM5141QRGETQ1 comes in a small outline package (SOP) with 16 pins. This package offers excellent thermal performance and is suitable for surface mount applications.

Essence: The essence of the LM5141QRGETQ1 lies in its ability to efficiently regulate the output voltage in automotive power supply designs, ensuring stable and reliable operation of various electronic components.

Packaging/Quantity: The LM5141QRGETQ1 is typically available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 65V
• Output Voltage Range: 0.8V to 60V
• Switching Frequency: Up to 2 MHz
• Operating Temperature Range: -40°C to 125°C
• Control Method: Voltage Mode Control
• Protection Features: Overcurrent Protection, Thermal Shutdown

Detailed Pin Configuration

The LM5141QRGETQ1 has the following pin configuration:

1. VIN: Input voltage pin
2. PGND: Power ground pin
3. SW: Switch node connection pin
4. FB: Feedback voltage pin
5. COMP: Compensation pin
6. SS/TR: Soft-start/Tracking pin
7. EN: Enable pin
8. VCC: Supply voltage pin
9. AGND: Analog ground pin
10. PG: Power good indicator pin
11. RT/CLK: External resistor or clock input pin
12. SYNC: Synchronization input pin
13. SS/TR: Soft-start/Tracking pin
14. BOOT: Bootstrap capacitor connection pin
15. LX: Inductor connection pin
16. VSENSE: Current sense voltage pin

Functional Features

• Wide input voltage range allows for compatibility with various automotive power sources.
• Voltage mode control ensures accurate regulation of the output voltage.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating and damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Comprehensive protection features - Compact package size

Disadvantages: - Limited output voltage range compared to some other buck controllers - Requires external components for operation

Working Principles

The LM5141QRGETQ1 operates as a synchronous buck controller, utilizing a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the switching transistor based on feedback from the FB pin. The control method ensures stable and efficient power conversion.

Detailed Application Field Plans

The LM5141QRGETQ1 is commonly used in automotive applications such as: - Automotive infotainment systems - Advanced driver-assistance systems (ADAS) - Lighting systems - Motor control units - Battery management systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM5141QRGETQ1 are: - LM5140QRGETQ1 - LM5142QRGETQ1 - LM5143QRGETQ1 - LM5144QRGETQ1

These models offer similar functionality and characteristics, providing flexibility in design choices for automotive power supply applications.

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