Infineon Technologies
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IR2128
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IR2128

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Motor Driver
  • Characteristics: High voltage, high speed, half-bridge driver
  • Package: DIP-8, SOIC-8
  • Essence: Power MOSFET and gate driver in a single package
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Supply Voltage: 10V to 20V
  • Output Current: 200mA
  • Operating Temperature: -40°C to +125°C
  • Switching Frequency: Up to 500kHz
  • Input Logic Compatibility: CMOS, TTL

Detailed Pin Configuration

The IR2128 has a total of 8 pins:

  1. VCC: Supply voltage input
  2. VB: Bootstrap supply voltage input
  3. HO: High-side output
  4. LO: Low-side output
  5. HIN: High-side input
  6. LIN: Low-side input
  7. SD: Shutdown input
  8. GND: Ground

Functional Features

  • High voltage, high-speed gate drive capability
  • Integrated bootstrap diode for high-side gate drive
  • Undervoltage lockout protection
  • Overcurrent shutdown protection
  • Shoot-through prevention logic
  • Compatible with both CMOS and TTL input logic levels

Advantages and Disadvantages

Advantages: - Compact design with integrated power MOSFET and gate driver - High-speed switching capability - Built-in protection features enhance system reliability - Wide operating temperature range allows for various applications

Disadvantages: - Limited output current capacity (200mA) - Requires external bootstrap capacitor for high-side gate drive

Working Principles

The IR2128 is designed to drive high-voltage power MOSFETs in half-bridge configurations. It provides high-speed switching capability and integrates a bootstrap diode for efficient high-side gate drive. The device incorporates various protection features such as undervoltage lockout, overcurrent shutdown, and shoot-through prevention logic to ensure safe and reliable operation.

Detailed Application Field Plans

The IR2128 is commonly used in motor control applications, particularly in brushless DC (BLDC) motor drives. It can also be employed in other high-voltage switching applications where precise and efficient control of power MOSFETs is required. Some specific application areas include:

  1. Industrial automation
  2. Robotics
  3. Electric vehicles
  4. Solar inverters
  5. Uninterruptible power supplies (UPS)
  6. Switch-mode power supplies (SMPS)

Detailed and Complete Alternative Models

  1. IR2101: Similar functionality with lower output current capacity
  2. IR2184: Enhanced version with additional features like fault reporting and adjustable dead-time control
  3. IRS2110: Higher output current capacity with integrated current sense amplifier

These alternative models offer similar functionality to the IR2128 but may have different specifications or additional features depending on the specific application requirements.

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10 pirs û bersivên hevpar ên têkildarî sepana IR2128 di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of IR2128 in technical solutions:

  1. Q: What is IR2128? A: IR2128 is a high voltage, high-speed power MOSFET and IGBT driver IC (integrated circuit) commonly used in motor control, power supply, and inverter applications.

  2. Q: What is the maximum operating voltage of IR2128? A: The maximum operating voltage of IR2128 is typically around 600V.

  3. Q: Can IR2128 drive both MOSFETs and IGBTs? A: Yes, IR2128 can drive both MOSFETs and IGBTs, making it versatile for various applications.

  4. Q: What is the typical output current capability of IR2128? A: The typical output current capability of IR2128 is around 200mA.

  5. Q: Does IR2128 have built-in protection features? A: Yes, IR2128 has built-in protection features such as under-voltage lockout (UVLO), over-current protection, and thermal shutdown.

  6. Q: Can IR2128 operate at high temperatures? A: Yes, IR2128 is designed to operate at high temperatures, typically up to 150°C.

  7. Q: How does IR2128 handle dead-time control? A: IR2128 provides independent high-side and low-side gate drive outputs, allowing for precise dead-time control to prevent shoot-through currents.

  8. Q: What is the recommended power supply voltage for IR2128? A: The recommended power supply voltage for IR2128 is typically between 10V and 20V.

  9. Q: Can IR2128 be used in single-ended or bridge configurations? A: Yes, IR2128 can be used in both single-ended and bridge configurations, depending on the specific application requirements.

  10. Q: Are there any application notes or reference designs available for IR2128? A: Yes, International Rectifier (now Infineon Technologies) provides application notes and reference designs for IR2128, which can be helpful in understanding its implementation in various technical solutions.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application guidelines provided by the manufacturer.