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IRS2123SPBF
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IRS2123SPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS2123SPBF is a high-performance half-bridge gate driver IC designed for driving MOSFETs and IGBTs in various power applications.

Characteristics: - High voltage level shifting capability - Low propagation delay - High noise immunity - Protection features against overcurrent and undervoltage - Wide operating voltage range - Compact and robust package design

Package: The IRS2123SPBF is available in a small outline package (SOP) with 8 pins.

Essence: This IC serves as a crucial component in power electronics systems, enabling efficient and reliable switching of power devices.

Packaging/Quantity: The IRS2123SPBF is typically sold in reels or tubes containing a quantity of 250 units per package.

Specifications

  • Supply Voltage Range: 10V to 20V
  • Output Current: ±200mA
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Propagation Delay: 150ns
  • Maximum Rise/Fall Time: 35ns
  • Undervoltage Lockout Threshold: 9.5V
  • Overcurrent Shutdown Threshold: 0.5V

Detailed Pin Configuration

The IRS2123SPBF features the following pin configuration:

  1. VCC: Power supply input
  2. HO: High-side gate driver output
  3. LO: Low-side gate driver output
  4. VB: Bootstrap supply voltage input
  5. VS: High-side floating supply return
  6. COM: Ground reference
  7. SD: Shutdown input
  8. NC: No connection

Functional Features

  • High voltage level shifting: Enables driving of high-side power devices.
  • Low propagation delay: Ensures fast switching performance.
  • High noise immunity: Resistant to external disturbances.
  • Overcurrent and undervoltage protection: Safeguards the power devices.
  • Wide operating voltage range: Suitable for various power applications.

Advantages and Disadvantages

Advantages: - Efficient and reliable switching performance - Compact package design for space-constrained applications - Protection features enhance system reliability - Wide operating voltage range allows versatility in applications

Disadvantages: - Limited output current capability - Requires external bootstrap supply for high-side driving

Working Principles

The IRS2123SPBF operates by receiving control signals from a microcontroller or PWM controller. It generates complementary gate drive signals for the high-side and low-side power devices, facilitating their efficient switching. The IC incorporates level shifting circuitry, which enables the control signals to be safely applied to the high-side power device.

Detailed Application Field Plans

The IRS2123SPBF is commonly used in the following applications:

  1. Motor drives: Enables precise control of motor speed and direction in electric vehicles, industrial machinery, and robotics.
  2. Power supplies: Facilitates efficient power conversion in switch-mode power supplies (SMPS) for various electronic devices.
  3. Inverters: Drives MOSFETs or IGBTs in inverters used for renewable energy systems such as solar or wind power.

Detailed and Complete Alternative Models

  1. IRS21844S: Similar half-bridge gate driver IC with additional shutdown input and higher output current capability.
  2. IR2110: Full-bridge gate driver IC suitable for driving high-power devices in applications like motor drives and power inverters.
  3. FAN7388: Half-bridge gate driver IC with integrated bootstrap diode and enhanced protection features.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av IRS2123SPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of IRS2123SPBF in technical solutions:

  1. Q: What is IRS2123SPBF? A: IRS2123SPBF is a high-performance half-bridge gate driver IC designed for driving MOSFETs and IGBTs in applications such as motor drives, power supplies, and inverters.

  2. Q: What is the operating voltage range of IRS2123SPBF? A: The operating voltage range of IRS2123SPBF is typically between 10V and 20V.

  3. Q: Can IRS2123SPBF handle high-frequency switching? A: Yes, IRS2123SPBF is capable of handling high-frequency switching up to several hundred kilohertz.

  4. Q: Does IRS2123SPBF have built-in protection features? A: Yes, IRS2123SPBF includes various protection features like under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown.

  5. Q: What is the maximum output current capability of IRS2123SPBF? A: IRS2123SPBF can provide a peak output current of up to 2A.

  6. Q: Can IRS2123SPBF be used with both N-channel and P-channel MOSFETs? A: Yes, IRS2123SPBF can be used with both N-channel and P-channel MOSFETs, making it versatile for different circuit configurations.

  7. Q: Is IRS2123SPBF compatible with microcontrollers and digital signal processors (DSPs)? A: Yes, IRS2123SPBF has a logic-level input interface that makes it compatible with microcontrollers and DSPs.

  8. Q: What is the recommended PCB layout for IRS2123SPBF? A: The datasheet of IRS2123SPBF provides guidelines for the recommended PCB layout, including proper grounding and decoupling techniques.

  9. Q: Can IRS2123SPBF operate in a wide temperature range? A: Yes, IRS2123SPBF is designed to operate reliably in a wide temperature range, typically from -40°C to 125°C.

  10. Q: Where can I find application notes and reference designs for IRS2123SPBF? A: You can find application notes and reference designs for IRS2123SPBF on the manufacturer's website or by contacting their technical support team.