L6387ED

Product Overview

• Category: Integrated Circuit
• Use: Motor Driver
• Characteristics: High voltage, high current, and high-speed power MOSFET driver
• Package: SOIC-8 (Small Outline Integrated Circuit)
• Essence: The L6387ED is a versatile motor driver IC designed to drive high-power MOSFETs in various applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Operating Voltage: 8V to 35V
• Output Current: Up to 4A
• Output Voltage: Up to 35V
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The L6387ED has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. IN1: Input control signal 1
4. IN2: Input control signal 2
5. OUT1: Output to drive external MOSFET 1
6. OUT2: Output to drive external MOSFET 2
7. VS: Bootstrap voltage supply
8. VREF: Reference voltage output

Functional Features

• High voltage and current capability for driving power MOSFETs
• Fast switching speed for efficient motor control
• Built-in bootstrap diode for simplified circuit design
• Undervoltage lockout protection
• Thermal shutdown protection
• Cross-conduction prevention

Advantages and Disadvantages

Advantages

• High-performance motor driver suitable for demanding applications
• Wide operating voltage range allows flexibility in system design
• Robust protection features ensure safe operation
• Compact SOIC-8 package enables space-saving designs

Disadvantages

• Requires external power MOSFETs for motor control
• Limited output current compared to specialized motor driver ICs

Working Principles

The L6387ED is designed to drive high-power MOSFETs in motor control applications. It operates by receiving input control signals (IN1 and IN2) and generating corresponding output signals (OUT1 and OUT2) to drive the external MOSFETs. The bootstrap voltage supply (VS) provides the necessary gate drive voltage for the high-side MOSFET.

The IC incorporates various protection features such as undervoltage lockout, thermal shutdown, and cross-conduction prevention to ensure safe and reliable operation.

Detailed Application Field Plans

The L6387ED can be used in a wide range of motor control applications, including:

1. Industrial automation systems
2. Robotics
3. Electric vehicles
4. HVAC (Heating, Ventilation, and Air Conditioning) systems
5. Appliances
6. Power tools

Detailed and Complete Alternative Models

1. L6387E: Similar to L6387ED but available in DIP-8 package
2. L6387D: Similar to L6387ED but with lower operating voltage range (8V to 24V)
3. L6387G: Similar to L6387ED but with higher output current capability (up to 6A)

These alternative models provide options based on specific application requirements.

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