BD48L51G-TL

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low power consumption - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: TO-252-5L (DPAK)

Essence: The BD48L51G-TL is a power management IC designed to regulate voltage efficiently with low power consumption. It offers overcurrent and thermal shutdown protection, making it suitable for various applications.

Packaging/Quantity: The BD48L51G-TL is available in a TO-252-5L package. Each package contains one unit of the IC.

Specifications

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 1.2V - 37V
• Output Current: Up to 3A
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The BD48L51G-TL 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. VOUT: Output voltage pin

Functional Features

• High efficiency voltage regulation
• Overcurrent protection prevents damage to the IC and connected devices
• Thermal shutdown protection prevents overheating
• Wide input voltage range allows for versatile applications
• Low power consumption minimizes energy waste

Advantages

• Efficient voltage regulation ensures stable and reliable power supply
• Overcurrent and thermal shutdown protection enhance safety and prevent damage
• Wide input voltage range provides flexibility in various applications
• Low power consumption reduces energy costs and extends battery life

Disadvantages

• Limited output current capacity (up to 3A)
• Requires external components for complete power management system
• May require additional heat dissipation measures in high-power applications

Working Principles

The BD48L51G-TL operates as a voltage regulator by adjusting the output voltage based on the feedback received from the FB pin. It uses internal circuitry to maintain a stable output voltage even with varying input voltages. The IC also incorporates overcurrent protection, which limits the output current to prevent damage. In case of excessive temperature, the thermal shutdown feature activates to protect the IC from overheating.

Detailed Application Field Plans

The BD48L51G-TL is suitable for various applications that require efficient voltage regulation and power management. Some potential application fields include:

1. Automotive electronics: Power supply for infotainment systems, lighting modules, and control units.
2. Industrial automation: Voltage regulation for motor drives, PLCs, and sensors.
3. Consumer electronics: Power management for audio/video equipment, gaming consoles, and home appliances.
4. Telecommunications: Voltage regulation for routers, switches, and base stations.
5. Renewable energy systems: Power supply for solar inverters and wind turbines.

Detailed and Complete Alternative Models

1. BD48L50G-TL: Similar to BD48L51G-TL but with a lower output current capacity of 2A.
2. BD48L52G-TL: Similar to BD48L51G-TL but with a higher output current capacity of 4A.
3. BD48L53G-TL: Similar to BD48L51G-TL but with additional features such as adjustable output voltage and remote sensing capability.

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