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IR21074
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IR21074

Product Overview

Category: Integrated Circuit (IC)

Use: The IR21074 is a high-performance dual channel gate driver IC designed for use in power electronics applications. It is specifically developed to drive IGBTs (Insulated Gate Bipolar Transistors) and MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors).

Characteristics: - Dual channel gate driver - High-performance design - Suitable for driving IGBTs and MOSFETs - Provides reliable and efficient switching control

Package: The IR21074 is available in a compact and industry-standard DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the IR21074 lies in its ability to provide precise and efficient control over the switching characteristics of IGBTs and MOSFETs, ensuring optimal performance in power electronics applications.

Packaging/Quantity: The IR21074 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 10V to 20V
  • Output Current: ±2A
  • Operating Temperature Range: -40°C to +125°C
  • Input Logic Compatibility: CMOS/TTL

Detailed Pin Configuration

The IR21074 features a total of 16 pins, which are assigned specific functions as follows:

  1. VCC1: Positive supply voltage for Channel 1
  2. VB1: Bootstrap supply voltage for Channel 1
  3. HO1: Output for Channel 1
  4. LO1: Low-side output for Channel 1
  5. VS1: High-side floating supply return for Channel 1
  6. COM1: Common connection for Channel 1
  7. VSS: Negative supply voltage
  8. LIN1: Logic input for Channel 1
  9. VCC2: Positive supply voltage for Channel 2
  10. VB2: Bootstrap supply voltage for Channel 2
  11. HO2: Output for Channel 2
  12. LO2: Low-side output for Channel 2
  13. VS2: High-side floating supply return for Channel 2
  14. COM2: Common connection for Channel 2
  15. LIN2: Logic input for Channel 2
  16. GND: Ground

Functional Features

  • High-speed gate drive capability
  • Undervoltage lockout protection
  • Overcurrent shutdown protection
  • Matched propagation delay for both channels
  • Integrated bootstrap diode for simplified circuit design
  • Fault status indication through the FLAG pin

Advantages and Disadvantages

Advantages: - Precise and efficient control over IGBTs and MOSFETs - High-speed switching capability - Comprehensive protection features - Simplified circuit design with integrated bootstrap diode

Disadvantages: - Limited output current capacity (±2A) - Restricted operating temperature range (-40°C to +125°C)

Working Principles

The IR21074 operates by receiving logic input signals, which are then amplified and used to control the gate voltage of IGBTs or MOSFETs. This enables precise switching of these power electronic devices, allowing for efficient power conversion and control.

Detailed Application Field Plans

The IR21074 finds extensive application in various power electronics fields, including: - Motor drives - Solar inverters - Uninterruptible Power Supplies (UPS) - Industrial automation systems - Electric vehicle charging systems

Detailed and Complete Alternative Models

  1. IR2104: Similar dual channel gate driver IC with slightly different specifications.
  2. IR2110: Higher voltage and current rating dual channel gate driver IC.
  3. IRS2106: Single channel gate driver IC with similar features.

These alternative models provide flexibility in choosing the most suitable gate driver IC based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av IR21074 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of IR21074 in technical solutions:

  1. Q: What is IR21074? A: IR21074 is a high-performance, dual-channel gate driver IC designed for driving MOSFETs and IGBTs in various applications.

  2. Q: What voltage range does IR21074 support? A: IR21074 supports a wide voltage range from 5V to 20V, making it compatible with different power supply systems.

  3. Q: Can IR21074 drive both high-side and low-side switches? A: Yes, IR21074 can drive both high-side and low-side switches independently, providing flexibility in circuit design.

  4. Q: What is the maximum output current capability of IR21074? A: IR21074 has a maximum output current capability of 290mA, ensuring efficient and reliable switching of power devices.

  5. Q: Is IR21074 suitable for motor control applications? A: Yes, IR21074 is commonly used in motor control applications due to its ability to drive high-power MOSFETs and IGBTs.

  6. Q: Does IR21074 have built-in protection features? A: Yes, IR21074 incorporates various protection features like under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown.

  7. Q: Can IR21074 operate at high temperatures? A: Yes, IR21074 has a wide operating temperature range of -40°C to 125°C, making it suitable for demanding industrial environments.

  8. Q: How does IR21074 ensure accurate and precise gate control? A: IR21074 utilizes advanced bootstrap circuitry and independent high- and low-side referenced outputs to provide accurate gate control.

  9. Q: Can IR21074 be used in high-frequency switching applications? A: Yes, IR21074 is designed to operate at high frequencies, making it suitable for applications that require fast switching speeds.

  10. Q: Are there any application notes or reference designs available for IR21074? A: Yes, Infineon Technologies provides application notes and reference designs that can help users implement IR21074 effectively in their technical solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for detailed information.