Monolithic Power Systems Inc.
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MP8861GL-P

MP8861GL-P

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low power consumption - Small form factor - Wide input voltage range - Adjustable output voltage - Overcurrent and overtemperature protection

Package: QFN-16

Essence: The MP8861GL-P is a power management integrated circuit designed to regulate voltage efficiently in various electronic devices.

Packaging/Quantity: The MP8861GL-P is available in a QFN-16 package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 1A
  • Quiescent Current: 18µA
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP8861GL-P has the following pin configuration:

  1. EN: Enable Pin
  2. FB: Feedback Pin
  3. GND: Ground Pin
  4. SW: Switching Node Pin
  5. VIN: Input Voltage Pin
  6. PG: Power Good Indicator Pin
  7. NC: No Connection
  8. VOUT: Output Voltage Pin
  9. NC: No Connection
  10. NC: No Connection
  11. NC: No Connection
  12. NC: No Connection
  13. NC: No Connection
  14. NC: No Connection
  15. NC: No Connection
  16. VCC: Supply Voltage Pin

Functional Features

  • High efficiency synchronous step-down converter
  • Adjustable output voltage through external resistors
  • Soft-start function for controlled startup
  • Overcurrent protection with hiccup mode
  • Thermal shutdown protection
  • Power good indicator for output voltage monitoring

Advantages and Disadvantages

Advantages: - High efficiency operation saves power - Small form factor allows for space-constrained designs - Wide input voltage range enables compatibility with various power sources - Overcurrent and overtemperature protection ensures device safety

Disadvantages: - Maximum output current limited to 1A - Limited number of available pins for additional functionality

Working Principles

The MP8861GL-P utilizes a synchronous step-down converter to regulate the output voltage. It operates by switching the input voltage through an inductor and transferring energy to the output capacitor. The integrated control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage.

Detailed Application Field Plans

The MP8861GL-P is commonly used in the following applications:

  1. Battery-powered devices
  2. Portable electronic devices
  3. IoT devices
  4. Wearable devices
  5. Industrial equipment

Detailed and Complete Alternative Models

  1. MP8860GL-P: Similar specifications, but with a lower maximum output current of 600mA.
  2. MP8862GL-P: Similar specifications, but with a higher maximum output current of 1.5A.
  3. MP8863GL-P: Similar specifications, but with a fixed output voltage of 3.3V.

These alternative models provide options based on specific requirements and design constraints.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MP8861GL-P у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of MP8861GL-P in technical solutions:

Q1: What is the MP8861GL-P? A1: The MP8861GL-P is a voltage regulator IC (Integrated Circuit) designed for various power management applications.

Q2: What is the input voltage range of the MP8861GL-P? A2: The MP8861GL-P has an input voltage range of 2.7V to 5.5V.

Q3: What is the output voltage range of the MP8861GL-P? A3: The MP8861GL-P can provide an adjustable output voltage range from 0.6V to 3.4V.

Q4: What is the maximum output current of the MP8861GL-P? A4: The MP8861GL-P can deliver a maximum output current of 1.5A.

Q5: Does the MP8861GL-P have built-in protection features? A5: Yes, the MP8861GL-P includes over-current protection, thermal shutdown, and under-voltage lockout features.

Q6: Can the MP8861GL-P operate in a wide temperature range? A6: Yes, the MP8861GL-P is designed to operate in a temperature range of -40°C to +85°C.

Q7: Is the MP8861GL-P suitable for battery-powered applications? A7: Yes, the MP8861GL-P is suitable for battery-powered applications due to its low quiescent current and high efficiency.

Q8: Can the MP8861GL-P be used in portable devices? A8: Yes, the compact size and low profile package of the MP8861GL-P make it suitable for use in portable devices.

Q9: Does the MP8861GL-P require any external components for operation? A9: Yes, the MP8861GL-P requires a few external components such as input and output capacitors for stable operation.

Q10: What is the typical efficiency of the MP8861GL-P? A10: The MP8861GL-P has a typical efficiency of over 90% under normal operating conditions.

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