LM5141RGER

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LM5141RGER

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LM5141RGER

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Spezifikationen

Attribut Wert
Part Status Active
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 3.8V ~ 65V
Frequency - Switching 440kHz, 2.2MHz
Synchronous Rectifier No
Clock Sync No
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 24-VFQFN Exposed Pad
Supplier Device Package 24-VQFN (4x4)
Base Product Number LM5141
Grade Automotive
Qualification AEC-Q100

Übersicht

Description

The LM5141RGER is a high-performance, synchronous buck controller designed for step-down DC-DC conversion applications. It features an integrated gate driver, allowing it to efficiently manage power delivery from a higher input voltage to lower output levels, typically used in power supply designs for processors, FPGAs, and other high-performance devices.
Key specifications include a wide input voltage range (up to 60V), adjustable output voltage, and the capability to deliver high current with excellent efficiency. The LM5141RGER supports various operating modes, including Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM), to optimize efficiency across different loads.
Additionally, it offers advanced features such as programmable soft-start, current limit protection, and thermal shutdown, ensuring reliable operation. Its compact package makes it suitable for space-constrained applications. Overall, the LM5141RGER is ideal for designers seeking a robust, efficient solution for voltage regulation in demanding electronic systems.

Equivalent

The LM5141RGER is a buck controller from Texas Instruments. Equivalent products include the TPS563201, LTC3861, and LM2596. When looking for alternatives, consider similar specifications such as input voltage range, output current capability, and control scheme (voltage mode or current mode). Always verify performance characteristics and application requirements to ensure compatibility.

Features

The LM5141RGER is a versatile synchronous buck controller designed for high-efficiency power conversion in various applications. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V, making it suitable for automotive and industrial applications.
2. Adjustable Output Voltage: Capable of generating output voltages as low as 0.8V.
3. Dual-Phase Operation: Enables multi-phase operation for higher output currents and improved load transient response.
4. Integrated MOSFET Drivers: Provides high-speed gate drivers for external MOSFETs, enhancing efficiency and performance.
5. Adaptive On-Time Control: Optimizes switching frequency and improves transient response.
6. Power Good Indicator: Monitors the output voltage and indicates the status to the system.
7. Thermal Protection: Features thermal shutdown to prevent overheating.
8. Programmable Soft-Start: Reduces inrush current during startup.
These features make the LM5141RGER ideal for applications requiring reliable, efficient, and high-performance power management solutions.

Pinout

The LM5141RGER is a synchronous buck controller with a total of 32 pins. It is designed for efficient power management in applications such as power supplies for processors and FPGAs.
Pin Functions:
1. VIN - Input voltage supply.
2. VREG - Regulated voltage output.
3. SW - Switch node for the power stages.
4. GND - Ground reference.
5. COMP - Compensation node for stability.
6. CSN/CSP - Current sense inputs for overcurrent protection.
7. PHASE - Provides the phase information for synchronous operation.
8. TR/SS - Soft-start and tracking functionality.
9. RAMP - For frequency compensation.
10. PWM - Pulse width modulation output.
11. MODE - Selects operation mode (forced PWM or PFM).
12. SYNC - Synchronization input/output for clocking with other devices.
13. LATCH - Latch control for fault protection.
14. Fault pins and others for various control, feedback, and monitoring functions.
For detailed functionality, refer to the LM5141 datasheet.

Manufacturer

The LM5141RGER is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments designs and produces a wide range of semiconductor products and integrated circuits. The company is well-known for its innovations in analog and embedded processing, serving various industries including automotive, industrial, communications, and consumer electronics.
Texas Instruments is recognized for its commitment to research and development, maintaining a strong emphasis on advancing technology to enhance performance and efficiency in electronic devices. The LM5141RGER itself is a high-performance synchronous buck controller designed for use in power management applications, particularly in powering processors and other demanding loads. TI's extensive portfolio also includes calculators, digital signal processors, and microcontrollers, reinforcing its position as a leader in the semiconductor sector.

Application

The LM5141RGER is a dual-channel synchronous buck controller designed for various applications, including:
1. Power Supply for CPUs and GPUs: Efficiently converts input voltage to lower output voltages required by processors.
2. Telecommunications Equipment: Provides stable power for networking hardware and base stations.
3. Industrial Automation: Powers control systems and sensors in industrial equipment.
4. Automotive Systems: Supplies power to infotainment and advanced driver-assistance systems.
5. DC-DC Converters: Used in power management solutions for consumer electronics and battery-operated devices.
Its versatility and efficiency make it suitable for diverse power supply needs.

Package

The LM5141RGER is available in a 32-pin HTQFN (Heat Sink Thin Quad Flat No-lead) package type, which provides effective thermal performance and compact dimensions suitable for power management applications.

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