BU9543KV-E2

Overview

Category: Integrated Circuit (IC)

Use: Power Management

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

Package: SOP-8

Essence: BU9543KV-E2 is a power management IC designed for various applications that require stable and efficient voltage regulation.

Packaging/Quantity: The BU9543KV-E2 is typically packaged in reels of 2500 units.

Specifications and Parameters

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Output Current: Up to 1.5A
• Quiescent Current: 50μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BU9543KV-E2 features the following pin configuration:

| Pin No. | Name | Function | |---------|------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | FB | Feedback Voltage | | 5 | COMP | Compensation | | 6 | SS | Soft Start | | 7 | PG | Power Good | | 8 | VOUT | Output Voltage |

Functional Characteristics

• High Efficiency: The BU9543KV-E2 utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard connected devices from excessive current flow.
• Thermal Shutdown Protection: In case of overheating, the IC automatically shuts down to prevent damage.
• Wide Input Voltage Range: The IC can operate within a wide input voltage range, making it suitable for various applications.
• Low Power Consumption: The BU9543KV-E2 consumes minimal power during operation, enhancing overall energy efficiency.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Overcurrent and thermal protection - Low power consumption

Disadvantages: - Limited output current capacity (up to 1.5A)

Applicable Range of Products

The BU9543KV-E2 is commonly used in the following products: - Consumer electronics - Industrial equipment - Automotive systems - Telecommunications devices

Working Principles

The BU9543KV-E2 regulates the input voltage to provide a stable output voltage. It employs a feedback mechanism to continuously monitor and adjust the output voltage based on the desired set point. The IC utilizes various internal circuitry to ensure efficient and reliable voltage regulation.

Detailed Application Field Plans

The BU9543KV-E2 can be applied in the following fields:

1. Consumer Electronics:

   • Mobile phones
   • Tablets
   • Portable gaming devices

2. Industrial Equipment:

   • Factory automation systems
   • Power supplies
   • Motor control units

3. Automotive Systems:

   • In-car infotainment systems
   • Advanced driver assistance systems (ADAS)
   • Lighting control modules

4. Telecommunications Devices:

   • Routers
   • Switches
   • Base stations

Detailed Alternative Models

Some alternative models to the BU9543KV-E2 include: - BU9543KV-E1 - BU9543KV-E3 - BU9543KV-E4

5 Common Technical Questions and Answers

1. Q: What is the maximum output current of the BU9543KV-E2?

   • A: The BU9543KV-E2 can provide an output current of up to 1.5A.

2. Q: What is the operating temperature range of the IC?

   • A: The BU9543KV-E2 can operate within a temperature range of -40°C to +85°C.

3. Q: Does the IC have overcurrent protection?

   • A: Yes, the BU9543KV-E2 incorporates overcurrent protection to prevent excessive current flow.

4. Q: Can the IC handle a wide input voltage range?

   • A: Yes, the BU9543KV-E2 is designed to operate within a wide input voltage range of 4.5V to 18V.

5. Q: What is the typical quiescent current of the IC?

   • A: The BU9543KV-E2 has a typical quiescent current of 50μA.