Monolithic Power Systems Inc.
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MP20045DQ-18-LF-Z
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MP20045DQ-18-LF-Z

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Small package size - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: DFN (Dual Flat No-Lead) package

Essence: The MP20045DQ-18-LF-Z is a power management IC designed to regulate voltage efficiently with low dropout. It is commonly used in various electronic devices to provide stable power supply.

Packaging/Quantity: The MP20045DQ-18-LF-Z is typically sold in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V - 18V
  • Output Voltage Range: 0.8V - 16V
  • Maximum Output Current: 2A
  • Dropout Voltage: 250mV at 1A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP20045DQ-18-LF-Z has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

  • High efficiency: The MP20045DQ-18-LF-Z utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
  • Adjustable output voltage: The output voltage can be easily adjusted using an external resistor divider network.
  • Overcurrent and thermal protection: The IC incorporates built-in protection mechanisms to prevent damage from overcurrent and excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (2A)

Working Principles

The MP20045DQ-18-LF-Z operates as a voltage regulator by comparing the feedback voltage (FB) with a reference voltage. It adjusts the duty cycle of an internal switch to maintain a stable output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The MP20045DQ-18-LF-Z is commonly used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronic devices 3. Industrial control systems 4. Automotive electronics 5. Communication equipment

Detailed and Complete Alternative Models

  1. MP20046DQ-18-LF-Z: Similar to MP20045DQ-18-LF-Z, but with higher maximum output current (3A).
  2. MP20047DQ-18-LF-Z: Similar to MP20045DQ-18-LF-Z, but with adjustable output voltage via an external digital interface.
  3. MP20048DQ-18-LF-Z: Similar to MP20045DQ-18-LF-Z, but with additional overvoltage protection feature.

These alternative models provide similar functionality with slight variations to cater to different application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MP20045DQ-18-LF-Z i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MP20045DQ-18-LF-Z in technical solutions:

  1. Question: What is the MP20045DQ-18-LF-Z?
    Answer: The MP20045DQ-18-LF-Z is a specific model of power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Question: What are the key features of the MP20045DQ-18-LF-Z?
    Answer: Some key features of this PMIC include high efficiency, low quiescent current, wide input voltage range, and multiple output channels.

  3. Question: What are the typical applications of the MP20045DQ-18-LF-Z?
    Answer: This PMIC can be used in a wide range of applications such as portable devices, IoT devices, industrial equipment, and automotive systems.

  4. Question: What is the input voltage range supported by the MP20045DQ-18-LF-Z?
    Answer: The MP20045DQ-18-LF-Z supports an input voltage range of typically 2.7V to 5.5V.

  5. Question: How many output channels does the MP20045DQ-18-LF-Z have?
    Answer: This PMIC has two output channels, which can provide different voltages as required by the application.

  6. Question: What is the maximum output current supported by each channel of the MP20045DQ-18-LF-Z?
    Answer: Each output channel of the MP20045DQ-18-LF-Z can support a maximum output current of up to 1.8A.

  7. Question: Does the MP20045DQ-18-LF-Z have any built-in protection features?
    Answer: Yes, this PMIC includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  8. Question: Can the MP20045DQ-18-LF-Z operate in a wide temperature range?
    Answer: Yes, the MP20045DQ-18-LF-Z is designed to operate reliably in a temperature range of typically -40°C to +85°C.

  9. Question: Is there any documentation available for the MP20045DQ-18-LF-Z?
    Answer: Yes, the manufacturer provides datasheets, application notes, and other technical documentation that can help with the integration and usage of this PMIC.

  10. Question: Where can I purchase the MP20045DQ-18-LF-Z?
    Answer: The MP20045DQ-18-LF-Z can be purchased from authorized distributors or directly from the manufacturer's website.