BD9C401EFJ-E2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, compact size, low power consumption
• Package: SOP-8
• Essence: DC/DC Converter IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 6V
• Maximum Output Current: 1.5A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD9C401EFJ-E2 IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. PG: Power Good pin
7. SW: Switching node pin
8. VOUT: Output voltage pin

Functional Features

• High efficiency conversion of input voltage to output voltage
• Compact size suitable for space-constrained applications
• Low power consumption for energy-efficient operation
• Built-in protection features such as overcurrent and thermal shutdown

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power loss - Compact size allows for flexible integration into various designs - Low power consumption extends battery life in portable devices

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Narrow input voltage range restricts compatibility with certain systems

Working Principles

The BD9C401EFJ-E2 is a DC/DC converter IC that utilizes a switching regulator topology to efficiently convert an input voltage to a desired output voltage. It employs a high-frequency switching transistor to control the energy transfer from the input to the output. The IC incorporates various control and protection circuits to ensure stable and reliable operation.

Detailed Application Field Plans

The BD9C401EFJ-E2 is commonly used in the following application fields:

1. Portable electronic devices: Provides power management for smartphones, tablets, and wearable devices.
2. Industrial automation: Used in control systems, motor drives, and sensors.
3. Automotive electronics: Suitable for automotive infotainment systems, lighting controls, and power modules.

Detailed and Complete Alternative Models

1. BD9C301EFJ-E2: Similar specifications with a lower maximum output current of 1A.
2. BD9C402EFJ-E2: Higher maximum output current of 2A but with a larger package size.
3. BD9C501EFJ-E2: Offers a wider input voltage range of 4.5V to 32V.

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