Monolithic Power Systems Inc.
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MP5505GL-P
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MP5505GL-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, versatile
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Power management IC designed for various applications
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 1.5A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C
  • Package Dimensions: 3mm x 3mm

Detailed Pin Configuration

The MP5505GL-P has a total of 10 pins:

  1. EN (Enable): Controls the power state of the IC.
  2. PGND (Power Ground): Ground reference for the power stage.
  3. SW (Switch Node): Connects to the inductor and transfers energy.
  4. LX (Low-Side Switch): Connects to the low-side MOSFET.
  5. FB (Feedback): Provides feedback for voltage regulation.
  6. COMP (Compensation): Connects to an external compensation network.
  7. SS (Soft-Start): Controls the soft-start time.
  8. VIN (Input Voltage): Power supply input.
  9. PG (Power Good): Indicates the output voltage is within regulation.
  10. VOUT (Output Voltage): Regulated output voltage.

Functional Features

  • Integrated synchronous step-down converter.
  • Adjustable output voltage.
  • Overcurrent protection.
  • Thermal shutdown protection.
  • Soft-start function.
  • Power good indicator.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Compact size allows for space-saving designs.
  • Versatile and suitable for various applications.
  • Integrated protection features enhance reliability.

Disadvantages

  • Limited maximum output current (1.5A).
  • Operating temperature range may not be suitable for extreme environments.

Working Principles

The MP5505GL-P is a synchronous step-down converter that uses a pulse-width modulation (PWM) control scheme to regulate the output voltage. It operates by switching the high-side and low-side MOSFETs alternately to transfer energy from the input to the output. The feedback loop adjusts the duty cycle of the switches to maintain the desired output voltage. Additional features such as soft-start and overcurrent protection ensure safe and reliable operation.

Detailed Application Field Plans

The MP5505GL-P is widely used in various applications, including:

  1. Portable electronic devices: Provides power management for smartphones, tablets, and portable media players.
  2. IoT devices: Suitable for powering sensors, wireless modules, and microcontrollers in IoT applications.
  3. Industrial equipment: Used in motor control systems, LED lighting, and power supplies for industrial machinery.
  4. Automotive electronics: Enables efficient power management in automotive infotainment systems, lighting, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

  1. MP5506GL-P: Similar specifications with higher maximum output current (2A).
  2. MP5507GL-P: Similar specifications with wider input voltage range (2.7V to 18V).
  3. MP5508GL-P: Similar specifications with additional features like adjustable frequency and power good indicator.

These alternative models offer flexibility based on specific application requirements while maintaining similar characteristics to the MP5505GL-P.

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10个与MP5505GL-P在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of MP5505GL-P in technical solutions:

  1. Q: What is the MP5505GL-P? A: The MP5505GL-P is a voltage regulator IC (integrated circuit) designed for power management applications.

  2. Q: What is the input voltage range of the MP5505GL-P? A: The MP5505GL-P has an input voltage range of 4.5V to 18V.

  3. Q: What is the output voltage range of the MP5505GL-P? A: The MP5505GL-P can provide an adjustable output voltage range from 0.6V to 5.5V.

  4. Q: What is the maximum output current of the MP5505GL-P? A: The MP5505GL-P can deliver a maximum output current of 1.5A.

  5. Q: What is the efficiency of the MP5505GL-P? A: The MP5505GL-P has a high efficiency, typically up to 95%.

  6. Q: Does the MP5505GL-P have built-in protection features? A: Yes, the MP5505GL-P includes various protection features such as over-current protection, thermal shutdown, and under-voltage lockout.

  7. Q: Can the MP5505GL-P be used in battery-powered applications? A: Yes, the MP5505GL-P is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  8. Q: Is the MP5505GL-P easy to use in a circuit design? A: Yes, the MP5505GL-P is designed to be user-friendly with a simple external component count and a small form factor.

  9. Q: Can the MP5505GL-P be used in automotive applications? A: Yes, the MP5505GL-P is automotive-grade and can be used in various automotive applications such as infotainment systems or lighting control.

  10. Q: Are there any evaluation boards or reference designs available for the MP5505GL-P? A: Yes, Monolithic Power Systems (MPS) provides evaluation boards and reference designs to help users quickly prototype and implement the MP5505GL-P in their applications.

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