STMicroelectronics
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L6382D5
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L6382D5

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Motor driver
  • Characteristics: High voltage, high-side and low-side gate driver
  • Package: SO-8 package
  • Essence: Power MOSFET and IGBT driver
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 10V to 20V
  • Output Current: ±2.8A
  • Operating Temperature Range: -40°C to +125°C
  • Input Logic Compatibility: CMOS/TTL
  • Propagation Delay: 100ns (typical)
  • Undervoltage Lockout: Yes
  • Fault Detection: Overcurrent, undervoltage, overtemperature

Detailed Pin Configuration

The L6382D5 IC has the following pin configuration:

  1. VCC: Supply voltage for the internal logic circuitry
  2. GND: Ground reference for the internal logic circuitry
  3. VS: High-side floating supply voltage
  4. HO: High-side gate driver output
  5. LO: Low-side gate driver output
  6. COM: Common connection for the high-side and low-side drivers
  7. LIN: Logic input for the high-side driver
  8. SD: Shutdown input for disabling the device

Functional Features

  • High voltage capability for driving power MOSFETs and IGBTs
  • Independent high-side and low-side gate drivers
  • Built-in undervoltage lockout protection
  • Fault detection and reporting for overcurrent, undervoltage, and overtemperature conditions
  • Fast propagation delay for precise control of power devices

Advantages and Disadvantages

Advantages: - High voltage capability allows driving a wide range of power devices - Independent gate drivers provide flexibility in controlling high-side and low-side switches - Built-in fault detection enhances system reliability and protection - Fast propagation delay ensures accurate timing in power switching applications

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires an external power supply for the high-side floating voltage (VS)

Working Principles

The L6382D5 is designed to drive power MOSFETs and IGBTs in motor control applications. It provides independent gate drivers for the high-side and low-side switches, allowing precise control of power devices. The IC operates with a supply voltage between 10V and 20V and has built-in undervoltage lockout protection.

The device monitors various fault conditions such as overcurrent, undervoltage, and overtemperature, providing fault detection and reporting. This enhances system reliability by protecting the power devices from potential damage.

Detailed Application Field Plans

The L6382D5 is commonly used in motor control applications, including:

  1. Electric vehicles: Controlling the motor drive system for efficient and reliable operation.
  2. Industrial automation: Driving motors in robotic systems, conveyor belts, and other industrial machinery.
  3. Home appliances: Controlling the motor speed and direction in washing machines, refrigerators, and air conditioners.
  4. Renewable energy systems: Managing the motor drive in wind turbines and solar tracking systems.

Detailed and Complete Alternative Models

  1. L6382D: Similar to L6382D5 but available in a different package (PDIP-8).
  2. IRS21844: High voltage, high-side and low-side gate driver with similar features.
  3. TC4427: Low voltage, high-speed MOSFET and IGBT driver for less demanding applications.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням L6382D5 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of L6382D5 in technical solutions:

  1. Q: What is L6382D5? A: L6382D5 is a high-voltage gate driver IC designed for driving N-channel power MOSFETs or IGBTs in half-bridge or full-bridge configurations.

  2. Q: What is the maximum voltage rating of L6382D5? A: The maximum voltage rating of L6382D5 is typically around 600V, making it suitable for a wide range of high-voltage applications.

  3. Q: Can L6382D5 be used with both MOSFETs and IGBTs? A: Yes, L6382D5 can be used with both MOSFETs and IGBTs, as long as they are N-channel devices.

  4. Q: What is the purpose of a gate driver in a power electronic system? A: The gate driver provides the necessary voltage and current signals to control the switching of power devices like MOSFETs or IGBTs.

  5. Q: What are the key features of L6382D5? A: Some key features of L6382D5 include integrated bootstrap diode, undervoltage lockout (UVLO), overcurrent protection, and thermal shutdown.

  6. Q: What is the typical operating frequency range of L6382D5? A: L6382D5 can operate at frequencies up to several hundred kilohertz, depending on the specific application requirements.

  7. Q: How does L6382D5 protect against overcurrent conditions? A: L6382D5 has built-in overcurrent protection that monitors the current flowing through the power devices and shuts down the driver if the current exceeds a certain threshold.

  8. Q: Can L6382D5 be used in automotive applications? A: Yes, L6382D5 is suitable for automotive applications as it meets the necessary requirements for automotive-grade components.

  9. Q: What is the recommended input voltage range for L6382D5? A: The recommended input voltage range for L6382D5 is typically between 10V and 20V, although it can tolerate higher voltages in some cases.

  10. Q: Are there any application notes or reference designs available for L6382D5? A: Yes, the manufacturer of L6382D5 usually provides application notes and reference designs that can help users understand and implement the IC in their specific applications.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of L6382D5.