IRS2104PBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS2104PBF is a high voltage, high-speed power MOSFET and IGBT driver IC. It is specifically designed for driving MOSFETs and IGBTs in high-power applications such as motor drives, inverters, and switch-mode power supplies.

Characteristics: - High voltage capability - High-speed switching - Low propagation delay - Wide operating temperature range - Compact package size

Package: The IRS2104PBF is available in a small outline package (SOP) with 8 pins.

Essence: This IC serves as a crucial component in power electronics systems by providing efficient and reliable control signals to drive power MOSFETs and IGBTs.

Packaging/Quantity: The IRS2104PBF is typically sold in reels or tubes, containing a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 10V to 20V
• Output Current: ±200mA
• Operating Temperature Range: -40°C to +125°C
• Maximum Propagation Delay: 120ns
• Maximum Rise/Fall Time: 35ns
• Maximum Duty Cycle: 50%
• Input Logic Levels: CMOS/TTL compatible

Detailed Pin Configuration

The IRS2104PBF 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: Common connection for low-side and bootstrap circuits
7. LIN: Logic input
8. GND: Ground reference

Functional Features

• High voltage level shifting
• Undervoltage lockout protection
• Shoot-through prevention logic
• Adaptive dead time control
• Overcurrent protection
• Fault status indication

Advantages and Disadvantages

Advantages: - High voltage capability enables driving of power MOSFETs and IGBTs in high-power applications. - High-speed switching allows for efficient operation and reduced power losses. - Compact package size facilitates space-saving designs. - Wide operating temperature range ensures reliable performance in various environments.

Disadvantages: - Limited output current may restrict usage in certain high-current applications. - Requires external bootstrap capacitor for proper operation.

Working Principles

The IRS2104PBF operates by receiving logic input signals and generating corresponding gate drive signals to control the switching of power MOSFETs or IGBTs. It utilizes a high voltage level shifting technique to provide the necessary drive voltage for the high-side power device. The IC incorporates various protection features to ensure safe and reliable operation.

Detailed Application Field Plans

The IRS2104PBF is widely used in the following applications:

1. Motor Drives: Provides precise control of motor speed and direction in electric vehicles, industrial machinery, and robotics.
2. Inverters: Enables efficient conversion of DC power to AC power in solar energy systems, uninterruptible power supplies (UPS), and industrial drives.
3. Switch-Mode Power Supplies: Facilitates high-frequency switching and regulation in telecom power systems, server power supplies, and LED lighting.

Detailed and Complete Alternative Models

1. IRS21844S: Similar functionality with additional protection features.
2. IR2110: Higher output current capability for demanding applications.
3. IRS2336DJ: Dual half-bridge driver with integrated current sensing.

These alternative models offer similar functionalities and can be considered as substitutes for the IRS2104PBF based on specific application requirements.

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