BD46401G-TR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

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

Package: SOP-8 (Small Outline Package)

Essence: BD46401G-TR is a power management IC designed for efficient power conversion and regulation in various electronic devices.

Packaging/Quantity: Available in reels of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 0.8V to 18V
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD46401G-TR IC has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)
6. SW (Switch)
7. PG (Power Good)
8. NC (No Connection)

Functional Features

• High efficiency power conversion
• Overcurrent protection
• Thermal shutdown protection
• Short-circuit protection
• Under-voltage lockout (UVLO) protection
• Soft-start function for smooth power-up

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range provides versatility in applications - Comprehensive protection features ensure device safety

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The BD46401G-TR operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage and maintain high efficiency. The IC incorporates various protection mechanisms to safeguard against overcurrent, thermal issues, short-circuits, and under-voltage conditions.

Detailed Application Field Plans

The BD46401G-TR is widely used in various electronic devices that require efficient power management. Some common application fields include:

1. Consumer Electronics: Smartphones, tablets, portable media players
2. Industrial Equipment: Factory automation systems, motor control units
3. Automotive Electronics: Infotainment systems, navigation devices
4. IoT Devices: Wearable devices, smart home appliances

Detailed and Complete Alternative Models

1. BD46402G-TR: Similar specifications and features, but with higher maximum output current of 2A.
2. BD46403G-TR: Enhanced version with additional protection features such as overvoltage protection and reverse polarity protection.
3. BD46404G-TR: Lower cost variant with slightly reduced efficiency and input/output voltage ranges.

These alternative models provide flexibility in choosing the most suitable power management IC based on specific requirements and constraints.

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