BD4925G-TR

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 - Overcurrent and overvoltage protection

Package: SOP-8 (Small Outline Package)

Essence: BD4925G-TR is a power management IC designed to regulate voltage efficiently with low power consumption.

Packaging/Quantity: The BD4925G-TR is typically packaged in reels, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage Range: 1.2V - 5.5V
• Maximum Output Current: 1.5A
• Quiescent Current: 50μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD4925G-TR has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)
6. COMP (Compensation)
7. SS (Soft Start)
8. PGND (Power Ground)

Functional Features

• High efficiency conversion
• Overcurrent protection
• Overvoltage protection
• Soft start function for smooth power-up
• Thermal shutdown protection
• Adjustable output voltage

Advantages

• High efficiency results in reduced power loss
• Wide input voltage range allows for versatile applications
• Compact size enables space-saving designs
• Overcurrent and overvoltage protection ensure system safety
• Soft start function prevents excessive inrush current during startup

Disadvantages

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

Working Principles

The BD4925G-TR utilizes a switching regulator topology to efficiently regulate the input voltage to the desired output voltage. It employs pulse width modulation (PWM) techniques to control the duty cycle of the switching transistor, achieving high efficiency conversion.

Detailed Application Field Plans

The BD4925G-TR is commonly used in various applications, including but not limited to: - Power supplies for consumer electronics - Battery-powered devices - Industrial automation systems - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

1. BD4918G-TR: Similar power management IC with lower maximum output current (1A).
2. BD4930G-TR: Similar power management IC with higher maximum output current (2A).
3. BD4945G-TR: Similar power management IC with adjustable output voltage and higher maximum output current (3A).

These alternative models provide options based on specific requirements and desired performance characteristics.

In conclusion, the BD4925G-TR is a power management IC that offers high efficiency voltage regulation, low power consumption, and various protection features. Its compact size and wide input voltage range make it suitable for a range of applications. However, its limited maximum output current and operating temperature range should be considered when selecting alternative models.