Monolithic Power Systems Inc.
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MP2161GJ-P
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MP2161GJ-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, wide input voltage range
  • Package: SOP-8 (Small Outline Package)
  • Essence: Step-Down Switching Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.6V to VIN
  • Output Current: Up to 3A
  • Switching Frequency: 1.2MHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2161GJ-P IC has the following pin configuration:

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

Functional Features

  • High efficiency conversion of input voltage to output voltage
  • Wide input voltage range allows for versatile applications
  • Compact size enables space-saving designs
  • Integrated protection features such as over-current and thermal shutdown
  • Adjustable soft-start time for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation - Wide input voltage range provides flexibility in various applications - Compact size allows for integration into small form factor devices - Integrated protection features enhance system reliability

Disadvantages: - Limited output current compared to some other models - Higher switching frequency may introduce additional noise

Working Principles

The MP2161GJ-P is a step-down switching regulator that converts a higher input voltage to a lower output voltage. It utilizes a high-frequency switching transistor to control the energy transfer from the input to the output. The integrated control circuitry ensures efficient power conversion while maintaining stable output voltage.

Detailed Application Field Plans

The MP2161GJ-P is commonly used in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - LED lighting

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MP2161GJ-P are: - MP2162GJ-P - MP2163GJ-P - MP2164GJ-P - MP2165GJ-P

These models offer similar functionality and characteristics, providing options for different design requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MP2161GJ-P i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MP2161GJ-P in technical solutions:

Q1: What is the input voltage range of MP2161GJ-P? A1: The input voltage range of MP2161GJ-P is typically between 4.5V and 18V.

Q2: What is the output voltage range of MP2161GJ-P? A2: The output voltage range of MP2161GJ-P can be adjusted from 0.6V to 12V.

Q3: What is the maximum output current of MP2161GJ-P? A3: The maximum output current of MP2161GJ-P is typically 3A.

Q4: Can MP2161GJ-P operate in a wide temperature range? A4: Yes, MP2161GJ-P is designed to operate in a wide temperature range, typically from -40°C to 85°C.

Q5: Does MP2161GJ-P have over-current protection? A5: Yes, MP2161GJ-P has built-in over-current protection to safeguard against excessive current draw.

Q6: Is MP2161GJ-P suitable for battery-powered applications? A6: Yes, MP2161GJ-P is suitable for battery-powered applications as it has low quiescent current and high efficiency.

Q7: Can MP2161GJ-P be used in automotive applications? A7: Yes, MP2161GJ-P is AEC-Q100 qualified, making it suitable for automotive applications.

Q8: Does MP2161GJ-P support synchronous rectification? A8: Yes, MP2161GJ-P supports synchronous rectification, which improves efficiency and reduces power loss.

Q9: What is the typical switching frequency of MP2161GJ-P? A9: The typical switching frequency of MP2161GJ-P is around 1.2MHz.

Q10: Does MP2161GJ-P have built-in thermal shutdown protection? A10: Yes, MP2161GJ-P has built-in thermal shutdown protection to prevent overheating and ensure safe operation.

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