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IR21814PBF
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IR21814PBF

Product Overview

Category

IR21814PBF belongs to the category of integrated circuits (ICs).

Use

The IR21814PBF is commonly used as a high-speed power MOSFET and IGBT driver in various applications.

Characteristics

  • High voltage level shifting capability
  • Floating channel designed for bootstrap operation
  • Undervoltage lockout protection
  • Matched propagation delay for both channels
  • Low side output in phase with input
  • 3.3V, 5V, and 15V input logic compatible
  • Output can be directly connected to microcontroller or DSP

Package

The IR21814PBF is available in a compact and industry-standard 8-pin DIP (Dual In-line Package) format.

Essence

The essence of the IR21814PBF lies in its ability to provide efficient and reliable driving of power MOSFETs and IGBTs.

Packaging/Quantity

The IR21814PBF is typically packaged in reels, with each reel containing 2,500 units.

Specifications

  • Supply Voltage: 10V - 20V
  • Output Current: 2A
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Propagation Delay: 200ns
  • Maximum Rise/Fall Time: 50ns

Detailed Pin Configuration

  1. VCC: Supply voltage pin
  2. VB: High-side floating supply voltage pin
  3. HO: High-side gate driver output pin
  4. LO: Low-side gate driver output pin
  5. COM: Common pin
  6. LIN: Logic input pin for low-side driver
  7. HIN: Logic input pin for high-side driver
  8. GND: Ground pin

Functional Features

  • High-speed switching capability
  • Optimal voltage level shifting
  • Protection against undervoltage conditions
  • Matched propagation delay for precise timing control
  • Compatibility with various input logic levels
  • Direct connection to microcontrollers or DSPs

Advantages and Disadvantages

Advantages

  • Efficient power MOSFET and IGBT driving
  • High-speed switching capability
  • Reliable performance
  • Undervoltage lockout protection ensures safe operation
  • Versatile compatibility with different logic levels

Disadvantages

  • Limited output current (2A)
  • Relatively high propagation delay compared to some alternatives

Working Principles

The IR21814PBF operates by receiving logic input signals through the LIN and HIN pins. These signals are then processed internally to generate appropriate gate drive voltages on the HO and LO pins, which are connected to the gates of the power MOSFET or IGBT. The device ensures matched propagation delay between the high-side and low-side outputs, enabling precise control over the switching behavior.

Detailed Application Field Plans

The IR21814PBF finds applications in various fields, including: 1. Motor control systems 2. Power supplies 3. Inverters 4. Industrial automation 5. Robotics 6. Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for the IR21814PBF include: 1. IR2110 2. IRS21844 3. TC4427 4. FAN7388 5. MCP1407

These models offer similar functionalities and can be used depending on specific requirements and design considerations.

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技術ソリューションにおける IR21814PBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of IR21814PBF in technical solutions:

  1. Q: What is IR21814PBF? A: IR21814PBF is a high-speed, high-voltage MOSFET and IGBT driver IC (Integrated Circuit) designed for use in various power electronics applications.

  2. Q: What is the maximum voltage rating of IR21814PBF? A: The maximum voltage rating of IR21814PBF is typically around 600V.

  3. Q: Can IR21814PBF be used to drive both MOSFETs and IGBTs? A: Yes, IR21814PBF is specifically designed to drive both MOSFETs and IGBTs effectively.

  4. Q: What is the maximum operating frequency of IR21814PBF? A: The maximum operating frequency of IR21814PBF is typically around 1 MHz.

  5. Q: Does IR21814PBF have built-in protection features? A: Yes, IR21814PBF includes various protection features such as under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown.

  6. Q: Can IR21814PBF operate at high temperatures? A: Yes, IR21814PBF is designed to operate reliably at high temperatures, typically up to 125°C.

  7. Q: What is the recommended supply voltage range for IR21814PBF? A: The recommended supply voltage range for IR21814PBF is typically between 10V and 20V.

  8. Q: Can IR21814PBF be used in automotive applications? A: Yes, IR21814PBF is suitable for automotive applications and meets the necessary automotive standards.

  9. Q: Does IR21814PBF support logic-level inputs? A: Yes, IR21814PBF supports logic-level inputs, making it compatible with various microcontrollers and digital control systems.

  10. Q: What is the typical output current capability of IR21814PBF? A: The typical output current capability of IR21814PBF is around 2A, allowing it to drive power devices efficiently.

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