Monolithic Power Systems Inc.
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MP8846GQ-P

MP8846GQ-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Compact Size
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP8846GQ-P has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SS/TR: Soft-start/Tracking pin
  6. PGND: Power ground pin
  7. SW: Switch node pin
  8. VOUT: Output voltage pin

Functional Features

  • High efficiency conversion
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start for controlled startup
  • Tracking function for power sequencing

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Compact size allows for space-saving designs
  • Wide input voltage range provides flexibility in various applications
  • Overcurrent and thermal protection ensure safe operation
  • Soft-start and tracking features enhance system reliability

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

The MP8846GQ-P is a voltage regulator IC that converts an input voltage within the range of 4.5V to 18V into a regulated output voltage between 0.8V and 5.5V. It utilizes a high-frequency switching technique to achieve high efficiency power conversion. The IC incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation. Additionally, the soft-start function allows for controlled startup, while the tracking feature enables proper power sequencing in multi-rail systems.

Detailed Application Field Plans

The MP8846GQ-P is commonly used in applications that require efficient power management, such as:

  1. Portable electronic devices
  2. Battery-powered systems
  3. Industrial automation equipment
  4. Telecommunications infrastructure
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. MP8846GQ: Similar specifications and features, but without the "-P" package designation.
  2. MP8846GR: Similar specifications and features, but in a different package (QFN-16).
  3. MP8846GS: Similar specifications and features, but in a different package (SOP-8).

These alternative models provide flexibility in choosing the most suitable package or pin configuration for specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MP8846GQ-P en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MP8846GQ-P in technical solutions:

  1. Question: What is the MP8846GQ-P?
    Answer: The MP8846GQ-P is a high-frequency, synchronous, rectified, step-down switch mode converter with built-in power MOSFETs.

  2. Question: What is the input voltage range of the MP8846GQ-P?
    Answer: The MP8846GQ-P has an input voltage range of 4.5V to 18V.

  3. Question: What is the output voltage range of the MP8846GQ-P?
    Answer: The MP8846GQ-P can provide an adjustable output voltage range from 0.6V to 5.5V.

  4. Question: What is the maximum output current of the MP8846GQ-P?
    Answer: The MP8846GQ-P can deliver up to 4A of continuous output current.

  5. Question: Does the MP8846GQ-P have over-current protection?
    Answer: Yes, the MP8846GQ-P features cycle-by-cycle current limit protection to prevent excessive current flow.

  6. Question: Can the MP8846GQ-P operate in a wide temperature range?
    Answer: Yes, the MP8846GQ-P is designed to operate in a temperature range of -40°C to +125°C.

  7. Question: Does the MP8846GQ-P require an external compensation network?
    Answer: No, the MP8846GQ-P is internally compensated, eliminating the need for an external compensation network.

  8. Question: Is the MP8846GQ-P suitable for battery-powered applications?
    Answer: Yes, the MP8846GQ-P is highly efficient and can be used in battery-powered applications, helping to extend battery life.

  9. Question: Can the MP8846GQ-P be synchronized to an external clock?
    Answer: Yes, the MP8846GQ-P has a synchronization input that allows it to be synchronized to an external clock signal.

  10. Question: What are some typical applications for the MP8846GQ-P?
    Answer: The MP8846GQ-P is commonly used in various applications such as industrial equipment, telecom infrastructure, consumer electronics, and automotive systems.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.