Monolithic Power Systems Inc.
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MPQ2918GL-P

MPQ2918GL-P

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low dropout voltage regulator - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: TO-252-5L (DPAK)

Essence: The MPQ2918GL-P is a low dropout voltage regulator designed for power management applications. It provides a stable and adjustable output voltage with high output current capability.

Packaging/Quantity: The MPQ2918GL-P is available in a TO-252-5L package, also known as DPAK (Plastic Package). The quantity per package may vary depending on the supplier.

Specifications

  • Input Voltage Range: 2.5V to 6V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 0.3V (typical)
  • Maximum Output Current: 1.5A
  • Quiescent Current: 80µA (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MPQ2918GL-P has five pins arranged as follows:

```

| | --| VOUT | --| GND | --| ADJ | --| VIN | --| EN | |___________| ```

  • VOUT: Output Voltage
  • GND: Ground
  • ADJ: Adjustable Pin (Connects to an external resistor to set the output voltage)
  • VIN: Input Voltage
  • EN: Enable Pin (Active high to enable the regulator)

Functional Features

  1. Low Dropout Voltage: The MPQ2918GL-P has a low dropout voltage of only 0.3V, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
  2. High Output Current Capability: With a maximum output current of 1.5A, the MPQ2918GL-P can handle high power requirements.
  3. Adjustable Output Voltage: The ADJ pin allows for easy adjustment of the output voltage by connecting an external resistor.
  4. Thermal Shutdown Protection: The regulator includes built-in thermal shutdown protection, which prevents damage due to excessive temperature.
  5. Overcurrent Protection: The MPQ2918GL-P incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for demanding applications - Adjustable output voltage provides flexibility - Thermal shutdown and overcurrent protection enhance reliability

Disadvantages: - Limited input voltage range (2.5V to 6V) - Quiescent current may be higher compared to some other regulators

Working Principles

The MPQ2918GL-P operates as a linear voltage regulator. It uses a pass transistor to control the output voltage based on the difference between the input and desired output voltage. The adjustable output voltage is set by connecting an external resistor to the ADJ pin. The regulator continuously monitors the output voltage and adjusts the pass transistor to maintain a stable output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The MPQ2918GL-P is suitable for various power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial equipment - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MPQ2918GL-P include: - LM1117-ADJ - LT1086-ADJ - TPS7A4700-ADJ - ADP3339-ADJ

These models provide comparable features and can be considered as alternatives based on specific application requirements.

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तकनीकी समाधानों में MPQ2918GL-P के अनुप्रयोग से संबंधित 10 सामान्य प्रश्नों और उत्तरों की सूची बनाएं

Sure! Here are 10 common questions and answers related to the application of MPQ2918GL-P in technical solutions:

  1. Question: What is the MPQ2918GL-P?
    Answer: The MPQ2918GL-P is a power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Question: What are the key features of the MPQ2918GL-P?
    Answer: The MPQ2918GL-P features multiple voltage regulators, power switches, and other control functions to efficiently manage power in a system.

  3. Question: What is the input voltage range supported by the MPQ2918GL-P?
    Answer: The MPQ2918GL-P supports an input voltage range of typically 2.7V to 5.5V.

  4. Question: How many voltage regulators are available in the MPQ2918GL-P?
    Answer: The MPQ2918GL-P provides three voltage regulators, which can be configured to supply different voltages to various components in a system.

  5. Question: Can the MPQ2918GL-P handle high current loads?
    Answer: Yes, the MPQ2918GL-P is capable of handling high current loads with its integrated power switches and robust design.

  6. Question: Is the MPQ2918GL-P suitable for battery-powered applications?
    Answer: Yes, the MPQ2918GL-P is well-suited for battery-powered applications due to its low quiescent current and efficient power management capabilities.

  7. Question: Does the MPQ2918GL-P have built-in protection features?
    Answer: Yes, the MPQ2918GL-P incorporates various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  8. Question: Can the MPQ2918GL-P be controlled and monitored through a microcontroller?
    Answer: Yes, the MPQ2918GL-P can be controlled and monitored through a microcontroller using its I2C interface.

  9. Question: What is the typical operating temperature range of the MPQ2918GL-P?
    Answer: The MPQ2918GL-P has a typical operating temperature range of -40°C to +85°C.

  10. Question: Are there any application notes or reference designs available for the MPQ2918GL-P?
    Answer: Yes, the manufacturer provides application notes and reference designs to help users integrate the MPQ2918GL-P into their technical solutions effectively.

Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution.