MP5981GLU-Z

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MP5981GLU-Z

IC ELECTRONIC FUSE 32LGA

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規格

Part Status Active
Base Product Number MP5981
Function Electronic Fuse
Sensing Method High-Side
Voltage - Input 4V ~ 16V
Current - Output 50A
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package 32-VFQFN Exposed Pad
Supplier Device Package 32-LGA (5x5)
Packaging Cut Tape (CT), Tape & Reel (TR)

概述

Description

The MP5981GLU-Z is a high-efficiency, synchronous step-down (buck) converter designed for a wide range of applications including portable devices, consumer electronics, and industrial equipment. It features a compact package, typically in a 3x3mm QFN, allowing for space-efficient designs. The converter supports input voltages up to 28V and provides adjustable output voltages, making it versatile for various power supply needs.
With a peak efficiency of up to 95%, the MP5981GLU-Z is optimized for low quiescent current, enhancing battery life in portable applications. It incorporates several protection features such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation. The device also offers adjustable frequency operation, allowing designers to optimize performance based on specific application requirements.
Overall, the MP5981GLU-Z is a robust solution for efficient DC-DC conversion in compact, power-sensitive designs.

Features

The MP5981GLU-Z is a highly integrated step-down switching regulator designed for efficient power management in various applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 25V.
2. Output Current: Capable of delivering up to 3A output current.
3. High Efficiency: Offers high efficiency (up to 95%) across a range of loads, reducing heat generation.
4. Switching Frequency: Operates at a fixed frequency of 500kHz, which helps in minimizing external component size.
5. Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 20V, allowing flexibility for various applications.
6. Integrated Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
7. Compact Package: Available in a compact QFN package, facilitating space-saving designs.
These features make the MP5981GLU-Z suitable for applications like power supplies, consumer electronics, and industrial equipment.

Package

The MP5981GLU-Z is packaged in a 10-pin MSOP (Mini Small Outline Package) format. This compact package is designed for efficient space utilization in electronic applications.

Pinout

The MP5981GLU-Z is a step-down (buck) regulator with a pin count of 16. It is designed for high-efficiency power conversion in various applications. The key functions of its pins include:
1. VIN: Input Voltage.
2. GND: Ground connection.
3. SW: Switch node, connects to the inductor.
4. BST: Bootstrap capacitor connection for high-side gate drive.
5. COMP: Compensation network connection for stability.
6. FB: Feedback voltage for regulating the output.
7. EN: Enable pin for activating the regulator.
8. PG: Power good indicator.
9. SS: Soft-start control.
10. ILIM: Current limit setting.
11. VOUT: Output voltage.
12. TRK: Tracking input for output voltage.
13. SLOPE: Frequency compensation slope setting.
14. ISEN+/-: Current sense inputs.
15. TS: Temperature sense input.
16. MODE: Operation mode selection.
The MP5981GLU-Z is suitable for applications requiring a compact solution with a wide input voltage range and robust performance.

Manufacturer

The MP5981GLU-Z is manufactured by Monolithic Power Systems (MPS), a company that specializes in high-performance analog and mixed-signal semiconductors. Founded in 1997 and headquartered in San Jose, California, MPS focuses on the design and manufacture of power management solutions for a variety of applications, including consumer electronics, automotive, and industrial sectors. The company is known for its innovative power management ICs, which are used to enhance the efficiency and performance of electronic devices. MPS emphasizes high reliability and energy efficiency in its products, catering to both high-volume and niche markets.

Application

The MP5981GLU-Z is a high-efficiency, synchronous buck regulator primarily used in applications such as point-of-load power supplies for CPUs, GPUs, and FPGAs. It is suitable for powering portable devices, consumer electronics, and telecommunication equipment. Its compact design and adjustable output voltage make it ideal for space-constrained applications in automotive, industrial, and battery-operated devices.

Equivalent

The MP5981GLU-Z is a high-efficiency step-down regulator. Equivalent products include the LM2675 (Texas Instruments), TPS563201 (Texas Instruments), and LTM8022 (Analog Devices). Other alternatives may include the MICREL MIC217, and the NCP3065 (ON Semiconductor). Always verify electrical specifications to ensure compatibility.

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