MP2148GQD-18-Z

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range - Multiple protection features

Package: QFN (Quad Flat No-leads)

Essence: The MP2148GQD-18-Z is a power management IC designed for efficient power conversion and management in various electronic devices.

Packaging/Quantity: The MP2148GQD-18-Z is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 1.8V
• Output Current: Up to 3A
• Switching Frequency: 500kHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2148GQD-18-Z has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching pin
4. FB: Feedback pin
5. EN: Enable pin
6. PG: Power Good pin
7. VOUT: Output voltage pin

Functional Features

• Integrated synchronous buck converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Under-voltage lockout
• Soft-start function

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range enables compatibility with various power sources - Multiple protection features ensure safe operation

Disadvantages: - Limited output current compared to some other power management ICs - Higher cost compared to non-integrated solutions

Working Principles

The MP2148GQD-18-Z utilizes a synchronous buck converter topology to efficiently step down the input voltage to the desired output voltage. It employs pulse-width modulation (PWM) techniques to regulate the output voltage and maintain high efficiency. The integrated control circuitry ensures stable operation and protection against various fault conditions.

Detailed Application Field Plans

The MP2148GQD-18-Z is widely used in applications that require efficient power management, such as:

1. Portable electronic devices (e.g., smartphones, tablets)
2. Industrial automation systems
3. Automotive electronics
4. LED lighting systems
5. Battery-powered devices

Detailed and Complete Alternative Models

1. MP2149GQD-18-Z: Similar to MP2148GQD-18-Z but with adjustable output voltage.
2. MP2150GQD-18-Z: Higher output current version of MP2148GQD-18-Z.
3. MP2147GQD-18-Z: Lower output current version of MP2148GQD-18-Z.

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

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