AL8821SP-13

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Multiple protection features

Package: SOP-8

Essence: The AL8821SP-13 is a power management IC designed for efficient power conversion and regulation in various electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 0.8V to 18V
• Maximum Output Current: 2A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AL8821SP-13 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SW: Switching node pin for connecting the external inductor
6. PGND: Power ground pin
7. COMP: Compensation pin for stability control
8. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency ensures minimal power loss during conversion.
• Low power consumption enhances energy efficiency.
• Multiple protection features such as overvoltage, undervoltage, and overcurrent protection ensure safe operation.
• Compact size enables integration into space-constrained applications.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption and heat generation. - Wide input voltage range provides flexibility in power source selection. - Compact size allows for easy integration into small devices. - Multiple protection features ensure safe and reliable operation.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - SOP-8 package may require additional thermal management in certain cases.

Working Principles

The AL8821SP-13 utilizes a switching regulator topology to efficiently convert the input voltage to the desired output voltage. It employs pulse width modulation (PWM) techniques to regulate the output voltage and maintain stability. The IC incorporates various control mechanisms and feedback loops to achieve high efficiency and accurate voltage regulation.

Detailed Application Field Plans

The AL8821SP-13 is widely used in the following applications:

1. Consumer Electronics:

   • Smartphones
   • Tablets
   • Portable media players

2. Industrial Equipment:

   • Power supplies
   • Motor drives
   • LED lighting

3. Automotive Electronics:

   • Infotainment systems
   • Advanced driver-assistance systems (ADAS)
   • Lighting control modules

4. Communication Systems:

   • Routers
   • Switches
   • Network equipment

Detailed and Complete Alternative Models

1. AL8805SP-13: Similar power management IC with lower output current capability.
2. AL8862SP-13: Power management IC with higher output current capability and additional protection features.
3. AL8842SP-13: Power management IC with adjustable output voltage and higher efficiency.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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